chore: bump version

feat: added multilanguage for portal
fix: fix typo
2025-12-11 18:54:28 +05:00 · 2024-06-21 02:05:34 +03:00 · 2024-06-21 02:01:38 +03:00 · 2024-06-20 06:41:32 +03:00 · 2024-06-18 10:25:58 +03:00 · 2024-06-15 03:03:50 +03:00
54 changed files with 5483 additions and 2287 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,8 @@
 .pio
 .vscode
 build/*.bin
+data/*
 secrets.ini
+node_modules
+package-lock.json
 !.gitkeep
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
   
   ![logo](/assets/logo.svg)
   <br>
-   [![GitHub version](https://img.shields.io/github/release/Laxilef/OTGateway.svg)](https://github.com/Laxilef/OTGateway/releases)
+   [![GitHub version](https://img.shields.io/github/release/Laxilef/OTGateway.svg?include_prereleases)](https://github.com/Laxilef/OTGateway/releases)
   [![GitHub download](https://img.shields.io/github/downloads/Laxilef/OTGateway/total.svg)](https://github.com/Laxilef/OTGateway/releases/latest)
   [![License](https://img.shields.io/github/license/Laxilef/OTGateway.svg)](LICENSE.txt)
   [![Telegram](https://img.shields.io/badge/Telegram-Channel-33A8E3)](https://t.me/otgateway)
@@ -31,7 +31,6 @@
  - The current temperature of the heat carrier (usually the return heat carrier)
  - Set heat carrier temperature (depending on the selected mode)
  - Current hot water temperature
- Auto tuning of PID and Equitherm parameters *(in development)*
 - [Home Assistant](https://www.home-assistant.io/) integration via MQTT. The ability to create any automation for the boiler!

 ![logo](/assets/ha.png)
--- a/data/.gitkeep
+++ b/data/.gitkeep
--- a/data/index.html
+++ b/data/index.html
@@ -1,230 +0,0 @@
-<!doctype html>
-<html lang="en">
-  <head>
-    <meta charset="utf-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1" />
-    <title>OpenTherm Gateway</title>
-    <link rel="stylesheet" href="/static/pico.min.css">
-    <link rel="stylesheet" href="/static/app.css"/>
-  </head>
-
-  <body>
-    <header class="container">
-      <nav>
-        <ul>
-          <li><a href="/"><div class="logo">OpenTherm Gateway</div></a></li>
-        </ul>
-        <ul>
-          <li><a href="https://github.com/Laxilef/OTGateway/wiki" role="button" class="secondary" target="_blank">Help</a></li>
-        </ul>
-      </nav>
-    </header>
-
-    <main class="container">
-      <article>
-        <div>
-          <hgroup>
-            <h2>Network</h2>
-            <p></p>
-          </hgroup>
-
-          <div class="main-busy" aria-busy="true"></div>
-          <table class="main-table hidden">
-            <tbody>
-              <tr>
-                <th scope="row">Hostname:</th>
-                <td><b class="network-hostname"></b></td>
-              </tr>
-              <tr>
-                <th scope="row">MAC:</th>
-                <td><b class="network-mac"></b></td>
-              </tr>
-              <tr>
-                <th scope="row">Connected:</th>
-                <td><input type="radio" class="network-connected" aria-invalid="false" checked disabled /></td>
-              </tr>
-              <tr>
-                <th scope="row">SSID:</th>
-                <td><b class="network-ssid"></b></td>
-              </tr>
-              <tr>
-                <th scope="row">Signal:</th>
-                <td><b class="network-signal"></b> %</td>
-              </tr>
-              <tr>
-                <th scope="row">IP:</th>
-                <td><b class="network-ip"></b></td>
-              </tr>
-              <tr>
-                <th scope="row">Subnet:</th>
-                <td><b class="network-subnet"></b></td>
-              </tr>
-              <tr>
-                <th scope="row">Gateway:</th>
-                <td><b class="network-gateway"></b></td>
-              </tr>
-              <tr>
-                <th scope="row">DNS:</th>
-                <td><b class="network-dns"></b></td>
-              </tr>
-            </tbody>
-          </table>
-          <div class="grid">
-            <a href="/network.html" role="button">Network settings</a>
-          </div>
-        </div>
-      </article>
-
-      <article>
-        <div>
-          <hgroup>
-            <h2>System</h2>
-            <p></p>
-          </hgroup>
-
-          <div class="system-busy" aria-busy="true"></div>
-          <table class="system-table hidden">
-            <tbody>
-              <tr>
-                <th scope="row">Version:</th>
-                <td><b class="version"></b></td>
-              </tr>
-              <tr>
-                <th scope="row">Build date:</th>
-                <td><b class="build-date"></b></td>
-              </tr>
-              <tr>
-                <th scope="row">Uptime:</th>
-                <td><b class="uptime-days"></b> days, <b class="uptime-hours"></b> hours, <b class="uptime-min"></b> min., <b class="uptime-sec"></b> sec.</td>
-              </tr>
-              <tr>
-                <th scope="row">Free memory:</th>
-                <td><b class="free-heap"></b> of <b class="total-heap"></b> bytes (min: <b class="min-free-heap"></b> bytes)<br>max free block: <b class="max-free-block-heap"></b> bytes (min: <b class="min-max-free-block-heap"></b> bytes)</td>
-              </tr>
-              <tr>
-                <th scope="row">Last reset reason:</th>
-                <td><b class="reset-reason"></b></td>
-              </tr>
-            </tbody>
-          </table>
-
-          <div class="grid">
-            <a href="/settings.html" role="button">Settings</a>
-            <a href="/upgrade.html" role="button">Upgrade</a>
-            <a href="/restart.html" role="button" class="secondary restart">Restart</a>
-          </div>
-        </div>
-      </article>
-
-      <article>
-        <div>
-          <hgroup>
-            <h2>States and sensors</h2>
-            <p>More information and settings can be found in your home assistant after setting up network and MQTT</p>
-          </hgroup>
-
-          <div class="ot-busy" aria-busy="true"></div>
-          <table class="ot-table hidden">
-            <tbody>
-              <tr>
-                <th scope="row">OpenTherm connected:</th>
-                <td><input type="radio" class="ot-connected" aria-invalid="false" checked disabled /></td>
-              </tr>
-              <tr>
-                <th scope="row">MQTT connected:</th>
-                <td><input type="radio" class="mqtt-connected" aria-invalid="false" checked disabled /></td>
-              </tr>
-              <tr>
-                <th scope="row">Emergency:</th>
-                <td><input type="radio" class="ot-emergency" aria-invalid="false" checked disabled /></td>
-              </tr>
-              <tr>
-                <th scope="row">Heating:</th>
-                <td><input type="radio" class="ot-heating" aria-invalid="false" checked disabled /></td>
-              </tr>
-              <tr>
-                <th scope="row">DHW:</th>
-                <td><input type="radio" class="ot-dhw" aria-invalid="false" checked disabled /></td>
-              </tr>
-              <tr>
-                <th scope="row">Flame:</th>
-                <td><input type="radio" class="ot-flame" aria-invalid="false" checked disabled /></td>
-              </tr>
-              <tr>
-                <th scope="row">Fault:</th>
-                <td><input type="radio" class="ot-fault" aria-invalid="false" checked disabled /></td>
-              </tr>
-              <tr>
-                <th scope="row">Diagnostic:</th>
-                <td><input type="radio" class="ot-diagnostic" aria-invalid="false" checked disabled /></td>
-              </tr>
-              <tr>
-                <th scope="row">External pump:</th>
-                <td><input type="radio" class="ot-external-pump" aria-invalid="false" checked disabled /></td>
-              </tr>
-              <tr>
-                <th scope="row">Modulation:</th>
-                <td><b class="ot-modulation"></b> %</td>
-              </tr>
-              <tr>
-                <th scope="row">Pressure:</th>
-                <td><b class="ot-pressure"></b> bar</td>
-              </tr>
-              <tr>
-                <th scope="row">DHW flow rate:</th>
-                <td><b class="ot-dhw-flow-rate"></b> l/min</td>
-              </tr>
-              <tr>
-                <th scope="row">Fault code:</th>
-                <td><b class="ot-fault-code"></b></td>
-              </tr>
-              <tr>
-                <th scope="row">Indoor temp:</th>
-                <td><b class="indoor-temp"></b> C</td>
-              </tr>
-              <tr>
-                <th scope="row">Outdoor temp:</th>
-                <td><b class="outdoor-temp"></b> C</td>
-              </tr>
-              <tr>
-                <th scope="row">Heating temp:</th>
-                <td><b class="heating-temp"></b> C</td>
-              </tr>
-              <tr>
-                <th scope="row">Heating setpoint temp:</th>
-                <td><b class="heating-setpoint-temp"></b> C</td>
-              </tr>
-              <tr>
-                <th scope="row">DHW temp:</th>
-                <td><b class="dhw-temp"></b> C</td>
-              </tr>
-            </tbody>
-          </table>
-        </div>
-      </article>
-    </main>
-
-    <footer class="container">
-      <small>
-        <b>Made by Laxilef</b>
-        • <a href="https://github.com/Laxilef/OTGateway/blob/master/LICENSE" target="_blank" class="secondary">License</a>
-        • <a href="https://github.com/Laxilef/OTGateway/blob/master/" target="_blank" class="secondary">Source code</a>
-        • <a href="https://github.com/Laxilef/OTGateway/wiki" target="_blank" class="secondary">Help</a>
-        • <a href="https://github.com/Laxilef/OTGateway/issues" target="_blank" class="secondary">Issue & questions</a>
-        • <a href="https://github.com/Laxilef/OTGateway/releases" target="_blank" class="secondary">Releases</a>
-      </small>
-    </footer>
-
-    <script src="/static/app.js"></script>
-    <script>
-      window.onload = async function () {
-        setTimeout(async function onLoadPage() {
-          await loadNetworkStatus();
-          await loadVars();
-
-          setTimeout(onLoadPage, 10000);
-        }, 1000);
-      };
-    </script>
-  </body>
-</html>
--- a/data/network.html
+++ b/data/network.html
@@ -1,166 +0,0 @@
-<!doctype html>
-<html lang="en">
-
-<head>
-  <meta charset="utf-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <title>Network - OpenTherm Gateway</title>
-  <link rel="stylesheet" href="/static/pico.min.css">
-  <link rel="stylesheet" href="/static/app.css" />
-</head>
-
-<body>
-  <header class="container">
-    <nav>
-      <ul>
-        <li><a href="/"><div class="logo">OpenTherm Gateway</div></a></li>
-      </ul>
-      <ul>
-        <li><a href="https://github.com/Laxilef/OTGateway/wiki" role="button" class="secondary" target="_blank">Help</a></li>
-      </ul>
-    </nav>
-  </header>
-
-  <main class="container">
-    <article>
-      <div>
-        <hgroup>
-          <h2>Network settings</h2>
-          <p></p>
-        </hgroup>
-
-        <div id="network-settings-busy" aria-busy="true"></div>
-        <form action="/api/network/settings" id="network-settings" class="hidden">
-          <label for="hostname">
-            Hostname
-            <input type="text" class="network-hostname" name="hostname" maxlength="24" pattern="[A-Za-z0-9]+[A-Za-z0-9\-]+[A-Za-z0-9]+" required>
-          </label>
-          <label for="network-use-dhcp">
-            <input type="checkbox" class="network-use-dhcp" name="useDhcp" value="true">
-            Use DHCP
-          </label>
-          <br>
-          <hr>
-          <label for="network-static-ip">
-            Static IP:
-            <input type="text" class="network-static-ip" name="staticConfig[ip]" value="true" maxlength="16" pattern="\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}" required>
-          </label>
-          <label for="network-static-gateway">
-            Static gateway:
-            <input type="text" class="network-static-gateway" name="staticConfig[gateway]" maxlength="16" pattern="\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}" required>
-          </label>
-          <label for="network-static-subnet">
-            Static subnet:
-            <input type="text" class="network-static-subnet" name="staticConfig[subnet]" maxlength="16" pattern="\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}" required>
-          </label>
-          <label for="network-static-dns">
-            Static DNS:
-            <input type="text" class="network-static-dns" name="staticConfig[dns]" maxlength="16" pattern="\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}" required>
-          </label>
-          <button type="submit">Save</button>
-        </form>
-      </div>
-    </article>
-
-    <article>
-      <div>
-        <hgroup>
-          <h3>Available networks</h3>
-          <p></p>
-        </hgroup>
-
-        <form action="/api/network/scan" id="network-scan">
-          <figure style="max-height: 25em;">
-            <table id="networks" role="grid">
-              <thead>
-                <tr>
-                  <th scope="col">#</th>
-                  <th scope="col">SSID</th>
-                  <th scope="col">Signal</th>
-                </tr>
-              </thead>
-              <tbody></tbody>
-            </table>
-          </figure>
-          <button type="submit">Refresh</button>
-        </form>
-
-        <hr>
-        <div>
-          <hgroup>
-            <h2>WiFi settings</h2>
-            <p></p>
-          </hgroup>
-          <div id="sta-settings-busy" aria-busy="true"></div>
-          <form action="/api/network/settings" id="sta-settings" class="hidden">
-            <label for="sta-ssid">
-              SSID:
-              <input type="text" class="sta-ssid" name="sta[ssid]" maxlength="32" required>
-            </label>
-            <label for="sta-password">
-              Password:
-              <input type="password" class="sta-password" name="sta[password]" maxlength="64" required>
-            </label>
-            <label for="sta-channel">
-              Channel:
-              <input type="number" inputmode="numeric" class="sta-channel" name="sta[channel]" min="0" max="12" step="1" required>
-              <small>set 0 for auto select</small>
-            </label>
-
-            <button type="submit">Save</button>
-          </form>
-        </div>
-      </div>
-    </article>
-
-    <article>
-      <div>
-        <hgroup>
-          <h2>AP settings</h2>
-          <p></p>
-        </hgroup>
-        <div id="ap-settings-busy" aria-busy="true"></div>
-        <form action="/api/network/settings" id="ap-settings" class="hidden">
-          <label for="ap-ssid">
-            SSID:
-            <input type="text" class="ap-ssid" name="ap[ssid]" maxlength="32" required>
-          </label>
-          <label for="ap-password">
-            Password:
-            <input type="text" class="ap-password" name="ap[password]" maxlength="64" required>
-          </label>
-          <label for="ap-channel">
-            Channel:
-            <input type="number" inputmode="numeric" class="ap-channel" name="ap[channel]" min="1" max="12" step="1" required>
-          </label>
-          <button type="submit">Save</button>
-        </form>
-      </div>
-    </article>
-  </main>
-
-  <footer class="container">
-    <small>
-      <b>Made by Laxilef</b>
-      • <a href="https://github.com/Laxilef/OTGateway/blob/master/LICENSE" target="_blank" class="secondary">License</a>
-      • <a href="https://github.com/Laxilef/OTGateway/blob/master/" target="_blank" class="secondary">Source code</a>
-      • <a href="https://github.com/Laxilef/OTGateway/wiki" target="_blank" class="secondary">Help</a>
-      • <a href="https://github.com/Laxilef/OTGateway/issues" target="_blank" class="secondary">Issue & questions</a>
-      • <a href="https://github.com/Laxilef/OTGateway/releases" target="_blank" class="secondary">Releases</a>
-    </small>
-  </footer>
-
-  <script src="/static/app.js"></script>
-  <script>
-    window.onload = async function () {
-      await loadNetworkSettings();
-
-      setupForm('#network-settings');
-      setupNetworkScanForm('#network-scan', '#networks');
-      setupForm('#sta-settings');
-      setupForm('#ap-settings');
-    };
-  </script>
-</body>
-
-</html>
--- a/data/settings.html
+++ b/data/settings.html
@@ -1,353 +0,0 @@
-<!doctype html>
-<html lang="en">
-
-<head>
-  <meta charset="utf-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <title>Settings - OpenTherm Gateway</title>
-  <link rel="stylesheet" href="/static/pico.min.css">
-  <link rel="stylesheet" href="/static/app.css" />
-</head>
-
-<body>
-  <header class="container">
-    <nav>
-      <ul>
-        <li><a href="/"><div class="logo">OpenTherm Gateway</div></a></li>
-      </ul>
-      <ul>
-        <li><a href="https://github.com/Laxilef/OTGateway/wiki" role="button" class="secondary" target="_blank">Help</a></li>
-      </ul>
-    </nav>
-  </header>
-
-  <main class="container">
-    <article>
-      <div>
-        <hgroup>
-          <h2>Portal settings</h2>
-          <p></p>
-        </hgroup>
-
-        <div id="portal-settings-busy" aria-busy="true"></div>
-        <form action="/api/settings" id="portal-settings" class="hidden">
-          <div class="grid">
-            <label for="portal-login">
-              Login
-              <input type="text" class="portal-login" name="portal[login]" maxlength="12" required>
-            </label>
-            <label for="portal-password">
-              Password
-              <input type="password" class="portal-password" name="portal[password]" maxlength="32" required>
-            </label>
-          </div>
-          
-          <label for="portal-use-auth">
-            <input type="checkbox" class="portal-use-auth" name="portal[useAuth]" value="true">
-            Use auth
-          </label>
-          <br>
-
-          <button type="submit">Save</button>
-        </form>
-      </div>
-    </article>
-
-    <article>
-      <div>
-        <hgroup>
-          <h2>OpenTherm settings</h2>
-          <p></p>
-        </hgroup>
-
-        <div id="opentherm-settings-busy" aria-busy="true"></div>
-        <form action="/api/settings" id="opentherm-settings" class="hidden">
-          <div class="grid">
-            <label for="opentherm-in-gpio">
-              In GPIO
-              <input type="number" inputmode="numeric" class="opentherm-in-gpio" name="opentherm[inGpio]" min="0" max="254" step="1">
-            </label>
-            <label for="opentherm-in-gpio">
-              Out GPIO
-              <input type="number" inputmode="numeric" class="opentherm-out-gpio" name="opentherm[outGpio]" min="0" max="254" step="1">
-            </label>
-            <label for="opentherm-member-id-code">
-              Master MemberID code
-              <input type="number" inputmode="numeric" class="opentherm-member-id-code" name="opentherm[memberIdCode]" min="0" max="65535" step="1" required>
-            </label>
-          </div>
-
-          <fieldset>
-            <legend>Options</legend>
-            <label for="opentherm-dhw-present">
-              <input type="checkbox" class="opentherm-dhw-present" name="opentherm[dhwPresent]" value="true">
-              DHW present
-            </label>
-            <label for="opentherm-sw-mode">
-              <input type="checkbox" class="opentherm-sw-mode" name="opentherm[summerWinterMode]" value="true">
-              Summer/winter mode
-            </label>
-            <label for="opentherm-heating-ch2-enabled">
-              <input type="checkbox" class="opentherm-heating-ch2-enabled" name="opentherm[heatingCh2Enabled]" value="true">
-              Heating CH2 always enabled
-            </label>
-            <label for="opentherm-heating-ch1-to-ch2">
-              <input type="checkbox" class="opentherm-heating-ch1-to-ch2" name="opentherm[heatingCh1ToCh2]" value="true">
-              Duplicate heating CH1 to CH2
-            </label>
-            <label for="opentherm-dhw-to-ch2">
-              <input type="checkbox" class="opentherm-dhw-to-ch2" name="opentherm[dhwToCh2]" value="true">
-              Duplicate DHW to CH2
-            </label>
-            <label for="opentherm-dhw-blocking">
-              <input type="checkbox" class="opentherm-dhw-blocking" name="opentherm[dhwBlocking]" value="true">
-              DHW blocking
-            </label>
-            <label for="opentherm-sync-modulation-with-heating">
-              <input type="checkbox" class="opentherm-sync-modulation-with-heating" name="opentherm[modulationSyncWithHeating]" value="true">
-              Sync modulation with heating
-            </label>
-          </fieldset>
-
-          <button type="submit">Save</button>
-        </form>
-      </div>
-    </article>
-
-    <article>
-      <div>
-        <hgroup>
-          <h2>MQTT settings</h2>
-          <p></p>
-        </hgroup>
-
-        <div id="mqtt-settings-busy" aria-busy="true"></div>
-        <form action="/api/settings" id="mqtt-settings" class="hidden">
-          <div class="grid">
-            <label for="mqtt-server">
-              Server
-              <input type="text" class="mqtt-server" name="mqtt[server]" maxlength="80" required>
-            </label>
-            <label for="mqtt-port">
-              Port
-              <input type="number" inputmode="numeric" class="mqtt-port" name="mqtt[port]" min="1" max="65535" step="1" required>
-            </label>
-          </div>
-
-          <div class="grid">
-            <label for="mqtt-user">
-              User
-              <input type="text" class="mqtt-user" name="mqtt[user]" maxlength="32" required>
-            </label>
-            <label for="mqtt-password">
-              Password
-              <input type="password" class="mqtt-password" name="mqtt[password]" maxlength="32">
-            </label>
-          </div>
-
-          <div class="grid">
-            <label for="mqtt-prefix">
-              Prefix
-              <input type="text" class="mqtt-prefix" name="mqtt[prefix]" maxlength="32" required>
-            </label>
-            <label for="mqtt-interval">
-              Publish interval <small>(sec)</small>
-              <input type="number" inputmode="numeric" class="mqtt-interval" name="mqtt[interval]" min="3" max="60" step="1" required>
-            </label>
-          </div>
-
-          <button type="submit">Save</button>
-        </form>
-      </div>
-    </article>
-
-    <article>
-      <div>
-        <hgroup>
-          <h2>Outdoor sensor settings</h2>
-          <p></p>
-        </hgroup>
-
-        <div id="outdoor-sensor-settings-busy" aria-busy="true"></div>
-        <form action="/api/settings" id="outdoor-sensor-settings" class="hidden">
-          <fieldset>
-            <legend>Source type</legend>
-            <label>
-              <input type="radio" class="outdoor-sensor-type" name="sensors[outdoor][type]" value="0" />
-              From boiler via OpenTherm
-            </label>
-            <label>
-              <input type="radio" class="outdoor-sensor-type" name="sensors[outdoor][type]" value="1" />
-              Manual via MQTT/API
-            </label>
-            <label>
-              <input type="radio" class="outdoor-sensor-type" name="sensors[outdoor][type]" value="2" />
-              External (DS18B20)
-            </label>
-          </fieldset>
-
-          <label for="outdoor-sensor-gpio">
-            GPIO
-            <input type="number" inputmode="numeric" class="outdoor-sensor-gpio" name="sensors[outdoor][gpio]" min="0" max="254" step="1">
-          </label>
-          <label for="outdoor-sensor-offset">
-            Temp offset (calibration)
-            <input type="number" inputmode="numeric" class="outdoor-sensor-offset" name="sensors[outdoor][offset]" min="-20" max="20" step="0.01" required>
-          </label>
-
-          <button type="submit">Save</button>
-        </form>
-      </div>
-    </article>
-
-    <article>
-      <div>
-        <hgroup>
-          <h2>Indoor sensor settings</h2>
-          <p></p>
-        </hgroup>
-
-        <div id="indoor-sensor-settings-busy" aria-busy="true"></div>
-        <form action="/api/settings" id="indoor-sensor-settings" class="hidden">
-          <fieldset>
-            <legend>Source type</legend>
-            <label>
-              <input type="radio" class="indoor-sensor-type" name="sensors[indoor][type]" value="1" />
-              Manual via MQTT/API
-            </label>
-            <label>
-              <input type="radio" class="indoor-sensor-type" name="sensors[indoor][type]" value="2" />
-              External (DS18B20)
-            </label>
-            <label>
-              <input type="radio" class="indoor-sensor-type" name="sensors[indoor][type]" value="3" />
-              BLE device <i>(ONLY for some ESP32 which support BLE)</i>
-            </label>
-          </fieldset>
-
-          <label for="indoor-sensor-gpio">
-            GPIO
-            <input type="number" inputmode="numeric" class="indoor-sensor-gpio" name="sensors[indoor][gpio]" min="0" max="254" step="1">
-          </label>
-
-          <div class="grid">
-            <label for="indoor-sensor-offset">
-              Temp offset (calibration)
-              <input type="number" inputmode="numeric" class="indoor-sensor-offset" name="sensors[indoor][offset]" min="-20" max="20" step="0.01" required>
-            </label>
-            <label for="indoor-sensor-ble-addresss">
-              BLE addresss
-              <input type="text" class="indoor-sensor-ble-addresss" name="sensors[indoor][bleAddresss]" pattern="([A-Fa-f0-9]{2}:){5}[A-Fa-f0-9]{2}">
-              <small>ONLY for some ESP32 which support BLE</small>
-            </label>
-          </div>
-
-          <button type="submit">Save</button>
-        </form>
-      </div>
-    </article>
-
-    <article>
-      <div>
-        <hgroup>
-          <h2>External pump settings</h2>
-          <p></p>
-        </hgroup>
-
-        <div id="extpump-settings-busy" aria-busy="true"></div>
-        <form action="/api/settings" id="extpump-settings" class="hidden">
-          <label for="extpump-use">
-            <input type="checkbox" class="extpump-use" name="externalPump[use]" value="true">
-            Use external pump
-          </label>
-          <br>
-
-          <div class="grid">
-            <label for="extpump-gpio">
-              Relay GPIO
-              <input type="number" inputmode="numeric" class="extpump-gpio" name="externalPump[gpio]" min="0" max="254" step="1">
-            </label>
-            <label for="extpump-pc-time">
-              Post circulation time <small>(min)</small>
-              <input type="number" inputmode="numeric" class="extpump-pc-time" name="externalPump[postCirculationTime]" min="1" max="120" step="1" required>
-            </label>
-          </div>
-
-          <div class="grid">
-            <label for="extpump-as-interval">
-              Anti stuck interval <small>(days)</small>
-              <input type="number" inputmode="numeric" class="extpump-as-interval" name="externalPump[antiStuckInterval]" min="1" max="366" step="1" required>
-            </label>
-            <label for="extpump-as-time">
-              Anti stuck time <small>(min)</small>
-              <input type="number" inputmode="numeric" class="extpump-as-time" name="externalPump[antiStuckTime]" min="1" max="20" step="1" required>
-            </label>
-          </div>
-
-          <button type="submit">Save</button>
-        </form>
-      </div>
-    </article>
-
-    <article>
-      <div>
-        <hgroup>
-          <h2>System settings</h2>
-          <p></p>
-        </hgroup>
-
-        <div id="system-settings-busy" aria-busy="true"></div>
-        <form action="/api/settings" id="system-settings" class="hidden">
-          <fieldset>
-            <label for="system-debug">
-              <input type="checkbox" class="system-debug" name="system[debug]" value="true">
-              Debug mode
-            </label>
-            <label for="system-use-serial">
-              <input type="checkbox" class="system-use-serial" name="system[useSerial]" value="true">
-              Enable serial port
-            </label>
-            <label for="system-use-telnet">
-              <input type="checkbox" class="system-use-telnet" name="system[useTelnet]" value="true">
-              Enable telnet
-            </label>
-          </fieldset>
-
-          <fieldset>
-            <mark>After changing this settings, the ESP must be restarted for the changes to take effect.</mark>
-          </fieldset>
-
-          <button type="submit">Save</button>
-        </form>
-      </div>
-    </article>
-  </main>
-
-  <footer class="container">
-    <small>
-      <b>Made by Laxilef</b>
-      • <a href="https://github.com/Laxilef/OTGateway/blob/master/LICENSE" target="_blank" class="secondary">License</a>
-      • <a href="https://github.com/Laxilef/OTGateway/blob/master/" target="_blank" class="secondary">Source code</a>
-      • <a href="https://github.com/Laxilef/OTGateway/wiki" target="_blank" class="secondary">Help</a>
-      • <a href="https://github.com/Laxilef/OTGateway/issues" target="_blank" class="secondary">Issue & questions</a>
-      • <a href="https://github.com/Laxilef/OTGateway/releases" target="_blank" class="secondary">Releases</a>
-    </small>
-  </footer>
-
-  <script src="/static/app.js"></script>
-  <script>
-    window.onload = async function () {
-      await loadSettings();
-
-      setupForm('#portal-settings');
-      setupForm('#opentherm-settings');
-      setupForm('#mqtt-settings');
-      setupForm('#outdoor-sensor-settings');
-      setupForm('#indoor-sensor-settings');
-      setupForm('#extpump-settings');
-      setupForm('#system-settings');
-    };
-  </script>
-</body>
-
-</html>
--- a/data/static/.gitkeep
+++ b/data/static/.gitkeep
--- a/data/static/app.css.gz
+++ b/data/static/app.css.gz
--- a/data/static/app.js.gz
+++ b/data/static/app.js.gz
--- a/data/static/favicon.ico.gz
+++ b/data/static/favicon.ico.gz
--- a/data/static/pico.min.css.gz
+++ b/data/static/pico.min.css.gz
--- a/data/upgrade.html
+++ b/data/upgrade.html
@@ -1,108 +0,0 @@
-<!doctype html>
-<html lang="en">
-
-<head>
-  <meta charset="utf-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <title>Upgrade - OpenTherm Gateway</title>
-  <link rel="stylesheet" href="/static/pico.min.css">
-  <link rel="stylesheet" href="/static/app.css">
-</head>
-
-<body>
-  <header class="container">
-    <nav>
-      <ul>
-        <li><a href="/"><div class="logo">OpenTherm Gateway</div></a></li>
-      </ul>
-      <ul>
-        <li><a href="https://github.com/Laxilef/OTGateway/wiki" role="button" class="secondary" target="_blank">Help</a></li>
-      </ul>
-    </nav>
-  </header>
-
-  <main class="container">
-    <article>
-      <div>
-        <hgroup>
-          <h2>Backup & restore</h2>
-          <p>
-            In this section you can save and restore a backup of ALL settings.
-          </p>
-        </hgroup>
-
-        <form action="/api/backup/restore" id="restore">
-          <label for="restore-file">
-            Settings file:
-            <input type="file" name="settings" id="restore-file" accept=".json">
-          </label>
-          
-          <div class="grid">
-            <button type="submit">Restore</button>
-            <button type="button" class="secondary" onclick="window.location='/api/backup/save';">Backup</button>
-          </div>
-        </form>
-      </div>
-    </article>
-
-    <article>
-      <div>
-        <hgroup>
-          <h2>Upgrade</h2>
-          <p>
-            In this section you can upgrade the firmware and filesystem of your device.<br>
-            Latest releases can be downloaded from the <a href="https://github.com/Laxilef/OTGateway/releases" target="_blank">Releases page</a> of the project repository.
-          </p>
-        </hgroup>
-
-        <form action="/api/upgrade" id="upgrade">
-          <fieldset class="primary">
-            <label for="firmware-file">
-              Firmware:
-              <div class="grid">
-                <input type="file" name="firmware" id="firmware-file" accept=".bin">
-                <button type="button" class="upgrade-firmware-result hidden" disabled></button>
-              </div>
-            </label>
-          
-            <label for="filesystem-file">
-              Filesystem:
-              <div class="grid">
-                <input type="file" name="filesystem" id="filesystem-file" accept=".bin">
-                <button type="button" class="upgrade-filesystem-result hidden" disabled></button>
-              </div>
-            </label>
-          </fieldset>
-          
-          <ul>
-            <li><mark>After a successful upgrade the filesystem, ALL settings will be reset to default values! Save backup before upgrading.</mark></li>
-            <li><mark>After a successful upgrade, the device will automatically reboot after 10 seconds.</mark></li>
-          </ul>
-
-          <button type="submit">Upgrade</button>
-        </form>
-      </div>
-    </article>
-  </main>
-
-  <footer class="container">
-    <small>
-      <b>Made by Laxilef</b>
-      • <a href="https://github.com/Laxilef/OTGateway/blob/master/LICENSE" target="_blank" class="secondary">License</a>
-      • <a href="https://github.com/Laxilef/OTGateway/blob/master/" target="_blank" class="secondary">Source code</a>
-      • <a href="https://github.com/Laxilef/OTGateway/wiki" target="_blank" class="secondary">Help</a>
-      • <a href="https://github.com/Laxilef/OTGateway/issues" target="_blank" class="secondary">Issue & questions</a>
-      • <a href="https://github.com/Laxilef/OTGateway/releases" target="_blank" class="secondary">Releases</a>
-    </small>
-  </footer>
-
-  <script src="/static/app.js"></script>
-  <script>
-    window.onload = async function () {
-      setupRestoreBackupForm('#restore');
-      setupUpgradeForm('#upgrade');
-    };
-  </script>
-</body>
-
-</html>
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -0,0 +1,142 @@
+const { src, dest, series, parallel } = require('gulp');
+const concat = require('gulp-concat');
+const gzip = require('gulp-gzip');
+const postcss = require('gulp-postcss');
+const cssnano = require('cssnano');
+const terser = require('gulp-terser');
+const jsonminify = require('gulp-jsonminify');
+const htmlmin = require('gulp-html-minifier-terser');
+
+// Paths for tasks
+let paths = {
+  styles: {
+    dest: 'data/static/',
+    bundles: {
+      'app.css': [
+        'src_data/styles/pico.min.css',
+        'src_data/styles/iconly.css',
+        'src_data/styles/app.css'
+      ]
+    }
+  },
+  scripts: {
+    dest: 'data/static/',
+    bundles: {
+      'app.js': [
+        'src_data/scripts/i18n.min.js',
+        'src_data/scripts/lang.js',
+        'src_data/scripts/utils.js'
+      ]
+    }
+  },
+  json: [
+    {
+      src: 'src_data/locales/*.json',
+      dest: 'data/static/locales/'
+    }
+  ],
+  static: [
+    {
+      src: 'src_data/fonts/*.*',
+      dest: 'data/static/fonts/'
+    },
+    {
+      src: 'src_data/images/*.*',
+      dest: 'data/static/images/'
+    }
+  ],
+  pages: {
+    src: 'src_data/pages/*.html',
+    dest: 'data/pages/'
+  }
+};
+
+
+
+// Tasks
+const styles = (cb) => {
+  for (let name in paths.styles.bundles) {
+    const items = paths.styles.bundles[name];
+
+    src(items)
+      .pipe(postcss([
+        cssnano({ preset: 'advanced' })
+      ]))
+      .pipe(concat(name))
+      .pipe(gzip({
+        append: true
+      }))
+      .pipe(dest(paths.styles.dest));
+  }
+
+  cb();
+}
+
+const scripts = (cb) => {
+  for (let name in paths.scripts.bundles) {
+    const items = paths.scripts.bundles[name];
+
+    src(items)
+      .pipe(terser().on('error', console.error))
+      .pipe(concat(name))
+      .pipe(gzip({
+        append: true
+      }))
+      .pipe(dest(paths.scripts.dest));
+  }
+
+  cb();
+}
+
+const jsonFiles = (cb) => {
+  for (let i in paths.json) {
+    const item = paths.json[i];
+
+    src(item.src)
+      .pipe(jsonminify())
+      .pipe(gzip({
+        append: true
+      }))
+      .pipe(dest(item.dest));
+  }
+
+  cb();
+}
+
+const staticFiles = (cb) => {
+  for (let i in paths.static) {
+    const item = paths.static[i];
+
+    src(item.src, { encoding: false })
+      .pipe(gzip({
+        append: true
+      }))
+      .pipe(dest(item.dest));
+  }
+
+  cb();
+}
+
+const pages = () => {
+  return src(paths.pages.src)
+    .pipe(htmlmin({
+      html5: true,
+      caseSensitive: true,
+      collapseWhitespace: true,
+      collapseInlineTagWhitespace: true,
+      conservativeCollapse: true,
+      removeComments: true,
+      minifyJS: true
+    }))
+    .pipe(gzip({
+      append: true
+    }))
+    .pipe(dest(paths.pages.dest));
+}
+
+exports.build_styles = styles;
+exports.build_scripts = scripts;
+exports.build_json = jsonFiles;
+exports.build_static = staticFiles;
+exports.build_pages = pages;
+exports.build_all = parallel(styles, scripts, jsonFiles, staticFiles, pages);
--- a/lib/CustomOpenTherm/CustomOpenTherm.h
+++ b/lib/CustomOpenTherm/CustomOpenTherm.h
@@ -126,6 +126,36 @@ public:
    return isValidResponse(response);
  }

+  bool setRoomSetpoint(float temperature) {
+    unsigned long response = this->sendRequest(buildRequest(
+      OpenThermMessageType::WRITE_DATA,
+      OpenThermMessageID::TrSet,
+      temperatureToData(temperature)
+    ));
+
+    return isValidResponse(response);
+  }
+
+  bool setRoomSetpointCh2(float temperature) {
+    unsigned long response = this->sendRequest(buildRequest(
+      OpenThermMessageType::WRITE_DATA,
+      OpenThermMessageID::TrSetCH2,
+      temperatureToData(temperature)
+    ));
+
+    return isValidResponse(response);
+  }
+
+  bool setRoomTemp(float temperature) {
+    unsigned long response = this->sendRequest(buildRequest(
+      OpenThermMessageType::WRITE_DATA,
+      OpenThermMessageID::Tr,
+      temperatureToData(temperature)
+    ));
+
+    return isValidResponse(response);
+  }
+
  bool sendBoilerReset() {
    unsigned int data = 1;
    data <<= 8;
@@ -163,24 +193,13 @@ public:
  }

  // converters
-  float fromF88(unsigned long response) {
-    const byte valueLB = response & 0xFF;
-    const byte valueHB = (response >> 8) & 0xFF;
-
-    float value = (int8_t)valueHB;
-    return value + (float)valueLB / 256.0;
-  }
-
-  template <class T> unsigned int toF88(T val) {
+  template <class T>
+  static unsigned int toFloat(const T val) {
    return (unsigned int)(val * 256);
  }

-  int16_t fromS16(unsigned long response) {
-    const byte valueLB = response & 0xFF;
-    const byte valueHB = (response >> 8) & 0xFF;
-
-    int16_t value = valueHB;
-    return ((value << 8) + valueLB);
+  static short getInt(const unsigned long response) {
+    return response & 0xffff;
  }

 protected:
--- a/lib/HomeAssistantHelper/strings.h
+++ b/lib/HomeAssistantHelper/strings.h
@@ -33,6 +33,8 @@ const char HA_AVAILABILITY_MODE[]               PROGMEM = "availability_mode";
 const char HA_TOPIC[]                           PROGMEM = "topic";
 const char HA_DEVICE_CLASS[]                    PROGMEM = "device_class";
 const char HA_UNIT_OF_MEASUREMENT[]             PROGMEM = "unit_of_measurement";
+const char HA_UNIT_OF_MEASUREMENT_C[]           PROGMEM = "°C";
+const char HA_UNIT_OF_MEASUREMENT_F[]           PROGMEM = "°F";
 const char HA_ICON[]                            PROGMEM = "icon";
 const char HA_MIN[]                             PROGMEM = "min";
 const char HA_MAX[]                             PROGMEM = "max";
@@ -50,6 +52,7 @@ const char HA_TEMPERATURE_COMMAND_TOPIC[]       PROGMEM = "temperature_command_t
 const char HA_TEMPERATURE_COMMAND_TEMPLATE[]    PROGMEM = "temperature_command_template";
 const char HA_TEMPERATURE_STATE_TOPIC[]         PROGMEM = "temperature_state_topic";
 const char HA_TEMPERATURE_STATE_TEMPLATE[]      PROGMEM = "temperature_state_template";
+const char HA_TEMPERATURE_UNIT[]                PROGMEM = "temperature_unit";
 const char HA_MODE_COMMAND_TOPIC[]              PROGMEM = "mode_command_topic";
 const char HA_MODE_COMMAND_TEMPLATE[]           PROGMEM = "mode_command_template";
 const char HA_MODE_STATE_TOPIC[]                PROGMEM = "mode_state_topic";
--- a/lib/NetworkUtils/NetworkConnection.cpp
+++ b/lib/NetworkUtils/NetworkConnection.cpp
@@ -1,54 +1,58 @@
 #include "NetworkConnection.h"
-using namespace Network;
+using namespace NetworkUtils;

-void Connection::setup(bool useDhcp) {
+void NetworkConnection::setup(bool useDhcp) {
  setUseDhcp(useDhcp);

  #if defined(ARDUINO_ARCH_ESP8266)
-  wifi_set_event_handler_cb(Connection::onEvent);
+  wifi_set_event_handler_cb(NetworkConnection::onEvent);
  #elif defined(ARDUINO_ARCH_ESP32)
-  WiFi.onEvent(Connection::onEvent);
+  WiFi.onEvent(NetworkConnection::onEvent);
  #endif
 }

-void Connection::reset() {
+void NetworkConnection::reset() {
  status = Status::NONE;
+  rawDisconnectReason = 0;
  disconnectReason = DisconnectReason::NONE;
 }

-void Connection::setUseDhcp(bool value) {
+void NetworkConnection::setUseDhcp(bool value) {
  useDhcp = value;
 }

-Connection::Status Connection::getStatus() {
+NetworkConnection::Status NetworkConnection::getStatus() {
  return status;
 }

-Connection::DisconnectReason Connection::getDisconnectReason() {
+NetworkConnection::DisconnectReason NetworkConnection::getDisconnectReason() {
  return disconnectReason;
 }

 #if defined(ARDUINO_ARCH_ESP8266)
-void Connection::onEvent(System_Event_t *event) {
+void NetworkConnection::onEvent(System_Event_t *event) {
  switch (event->event) {
    case EVENT_STAMODE_CONNECTED:
      status = useDhcp ? Status::CONNECTING : Status::CONNECTED;
+      rawDisconnectReason = 0;
      disconnectReason = DisconnectReason::NONE;
-      
      break;

    case EVENT_STAMODE_GOT_IP:
      status = Status::CONNECTED;
+      rawDisconnectReason = 0;
      disconnectReason = DisconnectReason::NONE;
      break;

    case EVENT_STAMODE_DHCP_TIMEOUT:
      status = Status::DISCONNECTED;
+      rawDisconnectReason = 0;
      disconnectReason = DisconnectReason::DHCP_TIMEOUT;
      break;

    case EVENT_STAMODE_DISCONNECTED:
      status = Status::DISCONNECTED;
+      rawDisconnectReason = event->event_info.disconnected.reason;
      disconnectReason = convertDisconnectReason(event->event_info.disconnected.reason);

      // https://github.com/esp8266/Arduino/blob/d5eb265f78bff9deb7063d10030a02d021c8c66c/libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp#L231
@@ -63,6 +67,7 @@ void Connection::onEvent(System_Event_t *event) {
        auto& src = event->event_info.auth_change;
        if ((src.old_mode != AUTH_OPEN) && (src.new_mode == AUTH_OPEN)) {
          status = Status::DISCONNECTED;
+          rawDisconnectReason = 0;
          disconnectReason = DisconnectReason::OTHER;

          wifi_station_disconnect();
@@ -75,29 +80,31 @@ void Connection::onEvent(System_Event_t *event) {
  }
 }
 #elif defined(ARDUINO_ARCH_ESP32)
-void Connection::onEvent(WiFiEvent_t event, WiFiEventInfo_t info) {
+void NetworkConnection::onEvent(WiFiEvent_t event, WiFiEventInfo_t info) {
  switch (event) {
    case ARDUINO_EVENT_WIFI_STA_CONNECTED:
      status = useDhcp ? Status::CONNECTING : Status::CONNECTED;
+      rawDisconnectReason = 0;
      disconnectReason = DisconnectReason::NONE;
-      
      break;

    case ARDUINO_EVENT_WIFI_STA_GOT_IP:
    case ARDUINO_EVENT_WIFI_STA_GOT_IP6:
      status = Status::CONNECTED;
+      rawDisconnectReason = 0;
      disconnectReason = DisconnectReason::NONE;
      break;

    case ARDUINO_EVENT_WIFI_STA_LOST_IP:
      status = Status::DISCONNECTED;
+      rawDisconnectReason = 0;
      disconnectReason = DisconnectReason::DHCP_TIMEOUT;
      break;

    case ARDUINO_EVENT_WIFI_STA_DISCONNECTED:
      status = Status::DISCONNECTED;
+      rawDisconnectReason = info.wifi_sta_disconnected.reason;
      disconnectReason = convertDisconnectReason(info.wifi_sta_disconnected.reason);
-
      break;
    
    default:
@@ -106,7 +113,7 @@ void Connection::onEvent(WiFiEvent_t event, WiFiEventInfo_t info) {
 }
 #endif

-Connection::DisconnectReason Connection::convertDisconnectReason(uint8_t reason) {
+NetworkConnection::DisconnectReason NetworkConnection::convertDisconnectReason(uint8_t reason) {
  switch (reason) {
  #if defined(ARDUINO_ARCH_ESP8266)
    case REASON_BEACON_TIMEOUT:
@@ -145,6 +152,7 @@ Connection::DisconnectReason Connection::convertDisconnectReason(uint8_t reason)
  }
 }

-bool Connection::useDhcp = false;
-Connection::Status Connection::status = Status::NONE;
-Connection::DisconnectReason Connection::disconnectReason = DisconnectReason::NONE;
+bool NetworkConnection::useDhcp = false;
+NetworkConnection::Status NetworkConnection::status = Status::NONE;
+NetworkConnection::DisconnectReason NetworkConnection::disconnectReason = DisconnectReason::NONE;
+uint8_t NetworkConnection::rawDisconnectReason = 0;
--- a/lib/NetworkUtils/NetworkConnection.h
+++ b/lib/NetworkUtils/NetworkConnection.h
@@ -5,8 +5,8 @@
  #include <WiFi.h>
 #endif

-namespace Network {
-  struct Connection {
+namespace NetworkUtils {
+  struct NetworkConnection {
    enum class Status {
      CONNECTED,
      CONNECTING,
@@ -27,6 +27,7 @@ namespace Network {

    static Status status;
    static DisconnectReason disconnectReason;
+    static uint8_t rawDisconnectReason;
    
    static void setup(bool useDhcp);
    static void setUseDhcp(bool value);
--- a/lib/NetworkUtils/NetworkMgr.h
+++ b/lib/NetworkUtils/NetworkMgr.h
@@ -7,35 +7,35 @@
 #endif
 #include <NetworkConnection.h>

-namespace Network {
-  class Manager {
+namespace NetworkUtils {
+  class NetworkMgr {
  public:
    typedef std::function<void()> YieldCallback;
    typedef std::function<void(unsigned int)> DelayCallback;

-    Manager() {
-      Connection::setup(this->useDhcp);
+    NetworkMgr() {
+      NetworkConnection::setup(this->useDhcp);
      this->resetWifi();
    }

-    Manager* setYieldCallback(YieldCallback callback = nullptr) {
+    NetworkMgr* setYieldCallback(YieldCallback callback = nullptr) {
      this->yieldCallback = callback;

      return this;
    }

-    Manager* setDelayCallback(DelayCallback callback = nullptr) {
+    NetworkMgr* setDelayCallback(DelayCallback callback = nullptr) {
      this->delayCallback = callback;

      return this;
    }

-    Manager* setHostname(const char* value) {
+    NetworkMgr* setHostname(const char* value) {
      this->hostname = value;
      return this;
    }

-    Manager* setApCredentials(const char* ssid, const char* password = nullptr, byte channel = 0) {
+    NetworkMgr* setApCredentials(const char* ssid, const char* password = nullptr, byte channel = 0) {
      this->apName = ssid;
      this->apPassword = password;
      this->apChannel = channel;
@@ -43,7 +43,7 @@ namespace Network {
      return this;
    }

-    Manager* setStaCredentials(const char* ssid = nullptr, const char* password = nullptr, byte channel = 0) {
+    NetworkMgr* setStaCredentials(const char* ssid = nullptr, const char* password = nullptr, byte channel = 0) {
      this->staSsid = ssid;
      this->staPassword = password;
      this->staChannel = channel;
@@ -51,14 +51,14 @@ namespace Network {
      return this;
    }

-    Manager* setUseDhcp(bool value) {
+    NetworkMgr* setUseDhcp(bool value) {
      this->useDhcp = value;
-      Connection::setup(this->useDhcp);
+      NetworkConnection::setup(this->useDhcp);

      return this;
    }

-    Manager* setStaticConfig(const char* ip, const char* gateway, const char* subnet, const char* dns) {
+    NetworkMgr* setStaticConfig(const char* ip, const char* gateway, const char* subnet, const char* dns) {
      this->staticIp.fromString(ip);
      this->staticGateway.fromString(gateway);
      this->staticSubnet.fromString(subnet);
@@ -67,7 +67,7 @@ namespace Network {
      return this;
    }

-    Manager* setStaticConfig(IPAddress &ip, IPAddress &gateway, IPAddress &subnet, IPAddress &dns) {
+    NetworkMgr* setStaticConfig(IPAddress& ip, IPAddress& gateway, IPAddress& subnet, IPAddress& dns) {
      this->staticIp = ip;
      this->staticGateway = gateway;
      this->staticSubnet = subnet;
@@ -81,11 +81,11 @@ namespace Network {
    }

    bool isConnected() {
-      return this->isStaEnabled() && Connection::getStatus() == Connection::Status::CONNECTED;
+      return this->isStaEnabled() && NetworkConnection::getStatus() == NetworkConnection::Status::CONNECTED;
    }

    bool isConnecting() {
-      return this->isStaEnabled() && Connection::getStatus() == Connection::Status::CONNECTING;
+      return this->isStaEnabled() && NetworkConnection::getStatus() == NetworkConnection::Status::CONNECTING;
    }

    bool isStaEnabled() {
@@ -147,16 +147,19 @@ namespace Network {
    bool resetWifi() {
      // set policy manual for work 13 ch
      {
-        wifi_country_t country = {"CN", 1, 13, WIFI_COUNTRY_POLICY_MANUAL};
        #ifdef ARDUINO_ARCH_ESP8266
+        wifi_country_t country = {"CN", 1, 13, WIFI_COUNTRY_POLICY_AUTO};
        wifi_set_country(&country);
        #elif defined(ARDUINO_ARCH_ESP32)
+        const wifi_country_t country = {"CN", 1, 13, CONFIG_ESP32_PHY_MAX_WIFI_TX_POWER, WIFI_COUNTRY_POLICY_AUTO};
        esp_wifi_set_country(&country);
        #endif
      }

      WiFi.persistent(false);
+      #if !defined(ESP_ARDUINO_VERSION_MAJOR) || ESP_ARDUINO_VERSION_MAJOR < 3
      WiFi.setAutoConnect(false);
+      #endif
      WiFi.setAutoReconnect(false);

      #ifdef ARDUINO_ARCH_ESP8266
@@ -180,8 +183,13 @@ namespace Network {

      wifi_station_dhcpc_set_maxtry(5);
      #endif
-
+      
+      #if defined(ARDUINO_ARCH_ESP32) && ESP_ARDUINO_VERSION_MAJOR < 3
+      // Nothing. Because memory leaks when turn off WiFi on ESP32 SDK < 3.0.0
+      return true;
+      #else
      return WiFi.mode(WIFI_OFF);
+      #endif
    }

    void reconnect() {
@@ -195,6 +203,7 @@ namespace Network {

      if (force && !this->isApEnabled()) {
        this->resetWifi();
+        NetworkConnection::reset();

      } else {
        /*#ifdef ARDUINO_ARCH_ESP8266
@@ -203,14 +212,14 @@ namespace Network {
        }
        #endif*/

-        WiFi.disconnect(false, true);
+        this->disconnect();
      }

      if (!this->hasStaCredentials()) {
        return false;
      }

-      this->delayCallback(200);
+      this->delayCallback(250);

      #ifdef ARDUINO_ARCH_ESP32
      if (this->setWifiHostname(this->hostname)) {
@@ -225,7 +234,7 @@ namespace Network {
        return false;
      }

-      this->delayCallback(200);
+      this->delayCallback(250);

      #ifdef ARDUINO_ARCH_ESP8266
      if (this->setWifiHostname(this->hostname)) {
@@ -235,7 +244,7 @@ namespace Network {
        Log.serrorln(FPSTR(L_NETWORK), F("Set hostname '%s': fail"), this->hostname);
      }

-      this->delayCallback(200);
+      this->delayCallback(250);
      #endif

      if (!this->useDhcp) {
@@ -248,23 +257,36 @@ namespace Network {
      while (millis() - beginConnectionTime < timeout) {
        this->delayCallback(100);

-        Connection::Status status = Connection::getStatus();
-        if (status != Connection::Status::CONNECTING && status != Connection::Status::NONE) {
-          return status == Connection::Status::CONNECTED;
+        NetworkConnection::Status status = NetworkConnection::getStatus();
+        if (status != NetworkConnection::Status::CONNECTING && status != NetworkConnection::Status::NONE) {
+          return status == NetworkConnection::Status::CONNECTED;
        }
      }

      return false;
    }

+    void disconnect() {
+      WiFi.disconnect(false, true);
+    }
+
    void loop() {
-      if (this->isConnected() && !this->hasStaCredentials()) {
+      if (this->reconnectFlag) {
+        this->delayCallback(5000);
+
+        Log.sinfoln(FPSTR(L_NETWORK), F("Reconnecting..."));
+        this->reconnectFlag = false;
+        this->disconnect();
+        NetworkConnection::reset();
+        this->delayCallback(1000);
+
+      } else if (this->isConnected() && !this->hasStaCredentials()) {
        Log.sinfoln(FPSTR(L_NETWORK), F("Reset"));
        this->resetWifi();
-        Connection::reset();
-        this->delayCallback(200);
+        NetworkConnection::reset();
+        this->delayCallback(1000);

-      } else if (this->isConnected() && !this->reconnectFlag) {
+      } else if (this->isConnected()) {
        if (!this->connected) {
          this->connectedTime = millis();
          this->connected = true;
@@ -279,7 +301,7 @@ namespace Network {
        }

        if (this->isApEnabled() && millis() - this->connectedTime > this->reconnectInterval && !this->hasApClients()) {
-          Log.sinfoln(FPSTR(L_NETWORK), F("Stop AP because connected, start only STA"));
+          Log.sinfoln(FPSTR(L_NETWORK), F("Stop AP because STA connected"));

          WiFi.mode(WIFI_STA);
          return;
@@ -300,7 +322,7 @@ namespace Network {
          Log.sinfoln(
            FPSTR(L_NETWORK),
            F("Disconnected, reason: %d, uptime: %lu s."),
-            Connection::getDisconnectReason(),
+            NetworkConnection::getDisconnectReason(),
            (millis() - this->connectedTime) / 1000
          );
        }
@@ -322,18 +344,17 @@ namespace Network {
        } else if (this->isConnecting() && millis() - this->prevReconnectingTime > this->resetConnectionTimeout) {
          Log.swarningln(FPSTR(L_NETWORK), F("Connection timeout, reset wifi..."));
          this->resetWifi();
-          Connection::reset();
-          this->delayCallback(200);
+          NetworkConnection::reset();
+          this->delayCallback(250);

        } else if (!this->isConnecting() && this->hasStaCredentials() && (!this->prevReconnectingTime || millis() - this->prevReconnectingTime > this->reconnectInterval)) {
          Log.sinfoln(FPSTR(L_NETWORK), F("Try connect..."));

-          this->reconnectFlag = false;        
-          Connection::reset();
+          NetworkConnection::reset();
          if (!this->connect(true, this->connectionTimeout)) {
-            Log.straceln(FPSTR(L_NETWORK), F("Connection failed. Status: %d, reason: %d"), Connection::getStatus(), Connection::getDisconnectReason());
+            Log.straceln(FPSTR(L_NETWORK), F("Connection failed. Status: %d, reason: %d, raw reason: %d"), NetworkConnection::getStatus(), NetworkConnection::getDisconnectReason(), NetworkConnection::rawDisconnectReason);
          }
-          
+
          this->prevReconnectingTime = millis();
        }
      }
--- a/lib/WebServerHandlers/StaticPage.h
+++ b/lib/WebServerHandlers/StaticPage.h
@@ -1,4 +1,7 @@
 #include <FS.h>
+#include <detail/mimetable.h>
+
+using namespace mime;

 class StaticPage : public RequestHandler {
 public:
@@ -61,6 +64,14 @@ public:
    }
    #endif

+    if (!this->path.endsWith(FPSTR(mimeTable[gz].endsWith)) && !this->fs->exists(path))  {
+      String pathWithGz = this->path + FPSTR(mimeTable[gz].endsWith);
+
+      if (this->fs->exists(pathWithGz)) {
+        this->path += FPSTR(mimeTable[gz].endsWith);
+      }
+    }
+
    File file = this->fs->open(this->path, "r");
    if (!file) {
      return false;
@@ -93,6 +104,6 @@ protected:
  BeforeSendCallback beforeSendCallback;
  String eTag;
  const char* uri = nullptr;
-  const char* path = nullptr;
+  String path;
  const char* cacheHeader = nullptr;
 };
--- a/package.json
+++ b/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "otgateway",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "devDependencies": {
+    "cssnano": "^7.0.2",
+    "cssnano-preset-advanced": "^7.0.2",
+    "gulp": "^5.0.0",
+    "gulp-concat": "^2.6.1",
+    "gulp-gzip": "^1.4.2",
+    "gulp-html-minifier-terser": "^7.1.0",
+    "gulp-jsonminify": "^1.1.0",
+    "gulp-postcss": "^10.0.0",
+    "gulp-terser": "^2.1.0"
+  }
+}
--- a/platformio.ini
+++ b/platformio.ini
@@ -13,24 +13,29 @@
 extra_configs = secrets.default.ini

 [env]
+version = 1.4.3
 framework = arduino
 lib_deps = 
-	bblanchon/ArduinoJson@^7.0.3
+	bblanchon/ArduinoJson@^7.0.4
 	;ihormelnyk/OpenTherm Library@^1.1.5
-	https://github.com/ihormelnyk/opentherm_library.git
+	https://github.com/ihormelnyk/opentherm_library#master
 	arduino-libraries/ArduinoMqttClient@^0.1.8
 	lennarthennigs/ESP Telnet@^2.2
 	gyverlibs/FileData@^1.0.2
 	gyverlibs/GyverPID@^3.3.2
 	gyverlibs/GyverBlinker@^1.0
+	https://github.com/PaulStoffregen/OneWire#master
 	milesburton/DallasTemperature@^3.11.0
 	laxilef/TinyLogger@^1.1.0
 build_flags = 
 	-D PIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY
+	;-D PIO_FRAMEWORK_ARDUINO_LWIP2_HIGHER_BANDWIDTH_LOW_FLASH
 	-D PIO_FRAMEWORK_ARDUINO_ESPRESSIF_SDK305
 	-mtext-section-literals
 	-D MQTT_CLIENT_STD_FUNCTION_CALLBACK=1
-	;-D DEBUG_ESP_CORE -D DEBUG_ESP_WIFI -D DEBUG_ESP_PORT=Serial
+	;-D DEBUG_ESP_CORE -D DEBUG_ESP_WIFI -D DEBUG_ESP_HTTP_SERVER -D DEBUG_ESP_PORT=Serial
+	-D BUILD_VERSION='"${this.version}"'
+	-D BUILD_ENV='"$PIOENV"'
 	-D USE_SERIAL=${secrets.use_serial}
 	-D USE_TELNET=${secrets.use_telnet}
 	-D DEBUG_BY_DEFAULT=${secrets.debug}
@@ -51,23 +56,26 @@ monitor_speed = 115200
 monitor_filters = direct
 board_build.flash_mode = dio
 board_build.filesystem = littlefs
-version = 1.4.0-rc.17

 ; Defaults
 [esp8266_defaults]
-platform = espressif8266
+platform = espressif8266@^4.2.1
 lib_deps = 
 	${env.lib_deps}
-	nrwiersma/ESP8266Scheduler@^1.1
+	nrwiersma/ESP8266Scheduler@^1.2
 lib_ignore = 
 extra_scripts = 
 	post:tools/build.py
 build_flags = ${env.build_flags}
-board_build.ldscript = eagle.flash.1m256.ld
-;board_build.ldscript = eagle.flash.4m1m.ld
+board_build.ldscript = eagle.flash.4m1m.ld

 [esp32_defaults]
-platform = espressif32@^6.5
+;platform = espressif32@^6.7
+platform = https://github.com/platformio/platform-espressif32.git
+platform_packages =
+  ;platformio/framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32/archive/refs/tags/2.0.17.zip
+  framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git#3.0.1
+  framework-arduinoespressif32-libs @ https://github.com/espressif/arduino-esp32/releases/download/3.0.1/esp32-arduino-libs-3.0.1.zip
 board_build.partitions = esp32_partitions.csv
 lib_deps =
 	${env.lib_deps}
@@ -95,8 +103,8 @@ build_flags =
 	-D DEFAULT_OT_OUT_GPIO=5
 	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
 	-D DEFAULT_SENSOR_INDOOR_GPIO=14
-	-D LED_STATUS_GPIO=13
-	-D LED_OT_RX_GPIO=15
+	-D DEFAULT_STATUS_LED_GPIO=13
+	-D DEFAULT_OT_RX_LED_GPIO=15

 [env:d1_mini_lite]
 platform = ${esp8266_defaults.platform}
@@ -111,8 +119,8 @@ build_flags =
 	-D DEFAULT_OT_OUT_GPIO=5
 	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
 	-D DEFAULT_SENSOR_INDOOR_GPIO=14
-	-D LED_STATUS_GPIO=13
-	-D LED_OT_RX_GPIO=15
+	-D DEFAULT_STATUS_LED_GPIO=13
+	-D DEFAULT_OT_RX_LED_GPIO=15

 [env:d1_mini_pro]
 platform = ${esp8266_defaults.platform}
@@ -127,27 +135,49 @@ build_flags =
 	-D DEFAULT_OT_OUT_GPIO=5
 	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
 	-D DEFAULT_SENSOR_INDOOR_GPIO=14
-	-D LED_STATUS_GPIO=13
-	-D LED_OT_RX_GPIO=15
+	-D DEFAULT_STATUS_LED_GPIO=13
+	-D DEFAULT_OT_RX_LED_GPIO=15
+
+[env:nodemcu_8266]
+platform = ${esp8266_defaults.platform}
+board = nodemcuv2
+lib_deps = ${esp8266_defaults.lib_deps}
+lib_ignore = ${esp8266_defaults.lib_ignore}
+extra_scripts = ${esp8266_defaults.extra_scripts}
+board_build.ldscript = ${esp8266_defaults.board_build.ldscript}
+build_flags = 
+	${esp8266_defaults.build_flags}
+	-D DEFAULT_OT_IN_GPIO=13
+	-D DEFAULT_OT_OUT_GPIO=15
+	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
+	-D DEFAULT_SENSOR_INDOOR_GPIO=4
+	-D DEFAULT_STATUS_LED_GPIO=2
+	-D DEFAULT_OT_RX_LED_GPIO=16

 [env:s2_mini]
 platform = ${esp32_defaults.platform}
+platform_packages = ${esp32_defaults.platform_packages}
 board = lolin_s2_mini
 board_build.partitions = ${esp32_defaults.board_build.partitions}
 lib_deps = ${esp32_defaults.lib_deps}
 lib_ignore = ${esp32_defaults.lib_ignore}
 extra_scripts = ${esp32_defaults.extra_scripts}
+build_unflags =
+	-DARDUINO_USB_MODE=1
 build_flags = 
 	${esp32_defaults.build_flags}
+	-D ARDUINO_USB_MODE=0
+	-D ARDUINO_USB_CDC_ON_BOOT=1
 	-D DEFAULT_OT_IN_GPIO=33
 	-D DEFAULT_OT_OUT_GPIO=35
 	-D DEFAULT_SENSOR_OUTDOOR_GPIO=9
 	-D DEFAULT_SENSOR_INDOOR_GPIO=7
-	-D LED_STATUS_GPIO=11
-	-D LED_OT_RX_GPIO=12
+	-D DEFAULT_STATUS_LED_GPIO=11
+	-D DEFAULT_OT_RX_LED_GPIO=12

 [env:s3_mini] 
 platform = ${esp32_defaults.platform}
+platform_packages = ${esp32_defaults.platform_packages}
 board = lolin_s3_mini
 board_build.partitions = ${esp32_defaults.board_build.partitions}
 lib_deps = 
@@ -155,18 +185,23 @@ lib_deps =
 	h2zero/NimBLE-Arduino@^1.4.1
 lib_ignore = ${esp32_defaults.lib_ignore}
 extra_scripts = ${esp32_defaults.extra_scripts}
+build_unflags =
+	-DARDUINO_USB_MODE=1
 build_flags = 
 	${esp32_defaults.build_flags}
+	-D ARDUINO_USB_MODE=0
+	-D ARDUINO_USB_CDC_ON_BOOT=1
 	-D USE_BLE=1
 	-D DEFAULT_OT_IN_GPIO=35
 	-D DEFAULT_OT_OUT_GPIO=36
 	-D DEFAULT_SENSOR_OUTDOOR_GPIO=13
 	-D DEFAULT_SENSOR_INDOOR_GPIO=12
-	-D LED_STATUS_GPIO=11
-	-D LED_OT_RX_GPIO=10
+	-D DEFAULT_STATUS_LED_GPIO=11
+	-D DEFAULT_OT_RX_LED_GPIO=10

 [env:c3_mini] 
 platform = ${esp32_defaults.platform}
+platform_packages = ${esp32_defaults.platform_packages}
 board = lolin_c3_mini
 board_build.partitions = ${esp32_defaults.board_build.partitions}
 lib_deps = 
@@ -183,11 +218,12 @@ build_flags =
 	-D DEFAULT_OT_OUT_GPIO=10
 	-D DEFAULT_SENSOR_OUTDOOR_GPIO=0
 	-D DEFAULT_SENSOR_INDOOR_GPIO=1
-	-D LED_STATUS_GPIO=4
-	-D LED_OT_RX_GPIO=5
+	-D DEFAULT_STATUS_LED_GPIO=4
+	-D DEFAULT_OT_RX_LED_GPIO=5

-[env:nodemcu_32s]
+[env:nodemcu_32]
 platform = ${esp32_defaults.platform}
+platform_packages = ${esp32_defaults.platform_packages}
 board = nodemcu-32s
 board_build.partitions = ${esp32_defaults.board_build.partitions}
 lib_deps = 
@@ -198,16 +234,17 @@ extra_scripts = ${esp32_defaults.extra_scripts}
 build_flags = 
 	${esp32_defaults.build_flags}
 	-D USE_BLE=1
-	-D DEFAULT_OT_IN_GPIO=21
-	-D DEFAULT_OT_OUT_GPIO=22
-	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
-	-D DEFAULT_SENSOR_INDOOR_GPIO=13
-	-D LED_STATUS_GPIO=2 ; 18
-	-D LED_OT_RX_GPIO=19
+	-D DEFAULT_OT_IN_GPIO=16
+	-D DEFAULT_OT_OUT_GPIO=4
+	-D DEFAULT_SENSOR_OUTDOOR_GPIO=15
+	-D DEFAULT_SENSOR_INDOOR_GPIO=26
+	-D DEFAULT_STATUS_LED_GPIO=2
+	-D DEFAULT_OT_RX_LED_GPIO=19
 	;-D WOKWI=1

 [env:d1_mini32]
 platform = ${esp32_defaults.platform}
+platform_packages = ${esp32_defaults.platform_packages}
 board = wemos_d1_mini32
 board_build.partitions = ${esp32_defaults.board_build.partitions}
 lib_deps = 
@@ -222,5 +259,5 @@ build_flags =
 	-D DEFAULT_OT_OUT_GPIO=22
 	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
 	-D DEFAULT_SENSOR_INDOOR_GPIO=18
-	-D LED_STATUS_GPIO=2
-	-D LED_OT_RX_GPIO=19
+	-D DEFAULT_STATUS_LED_GPIO=2
+	-D DEFAULT_OT_RX_LED_GPIO=19
--- a/src/HaHelper.h
+++ b/src/HaHelper.h
@@ -6,98 +6,6 @@ public:
  static const byte TEMP_SOURCE_HEATING = 0;
  static const byte TEMP_SOURCE_INDOOR = 1;

-  bool publishSwitchEmergency(bool enabledByDefault = true) {
-    JsonDocument doc;
-    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("emergency"));
-    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("emergency"));
-    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
-    doc[FPSTR(HA_NAME)] = F("Use emergency");
-    doc[FPSTR(HA_ICON)] = F("mdi:sun-snowflake-variant");
-    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
-    doc[FPSTR(HA_STATE_ON)] = true;
-    doc[FPSTR(HA_STATE_OFF)] = false;
-    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.emergency.enable }}");
-    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
-    doc[FPSTR(HA_PAYLOAD_ON)] = F("{\"emergency\": {\"enable\" : true}}");
-    doc[FPSTR(HA_PAYLOAD_OFF)] = F("{\"emergency\": {\"enable\" : false}}");
-    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
-    doc.shrinkToFit();
-
-    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SWITCH), F("emergency")).c_str(), doc);
-  }
-
-  bool publishNumberEmergencyTarget(bool enabledByDefault = true) {
-    JsonDocument doc;
-    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("emergency_target"));
-    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("emergency_target"));
-    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
-    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
-    doc[FPSTR(HA_NAME)] = F("Emergency target temp");
-    doc[FPSTR(HA_ICON)] = F("mdi:thermometer-alert");
-    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
-    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.emergency.target|float(0)|round(1) }}");
-    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
-    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"emergency\": {\"target\" : {{ value }}}}");
-    doc[FPSTR(HA_MIN)] = 5;
-    doc[FPSTR(HA_MAX)] = 50;
-    doc[FPSTR(HA_STEP)] = 0.5;
-    doc[FPSTR(HA_MODE)] = "box";
-    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
-    doc.shrinkToFit();
-
-    return this->publish(this->getTopic(FPSTR(HA_ENTITY_NUMBER), F("emergency_target")).c_str(), doc);
-  }
-
-  bool publishSwitchEmergencyUseEquitherm(bool enabledByDefault = true) {
-    JsonDocument doc;
-    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("settings"));
-    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_VALUE_TEMPLATE)] = F("{{ iif(value_json.sensors.outdoor.type != 1, 'online', 'offline') }}");
-    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("emergency_use_equitherm"));
-    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("emergency_use_equitherm"));
-    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
-    doc[FPSTR(HA_NAME)] = F("Use equitherm in emergency");
-    doc[FPSTR(HA_ICON)] = F("mdi:snowflake-alert");
-    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
-    doc[FPSTR(HA_STATE_ON)] = true;
-    doc[FPSTR(HA_STATE_OFF)] = false;
-    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.emergency.useEquitherm }}");
-    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
-    doc[FPSTR(HA_PAYLOAD_ON)] = F("{\"emergency\": {\"useEquitherm\" : true}}");
-    doc[FPSTR(HA_PAYLOAD_OFF)] = F("{\"emergency\": {\"useEquitherm\" : false}}");
-    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
-    doc.shrinkToFit();
-
-    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SWITCH), F("emergency_use_equitherm")).c_str(), doc);
-  }
-
-  bool publishSwitchEmergencyUsePid(bool enabledByDefault = true) {
-    JsonDocument doc;
-    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("settings"));
-    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_VALUE_TEMPLATE)] = F("{{ iif(value_json.sensors.indoor.type != 1, 'online', 'offline') }}");
-    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("emergency_use_pid"));
-    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("emergency_use_pid"));
-    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
-    doc[FPSTR(HA_NAME)] = F("Use PID in emergency");
-    doc[FPSTR(HA_ICON)] = F("mdi:snowflake-alert");
-    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
-    doc[FPSTR(HA_STATE_ON)] = true;
-    doc[FPSTR(HA_STATE_OFF)] = false;
-    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.emergency.usePid }}");
-    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
-    doc[FPSTR(HA_PAYLOAD_ON)] = F("{\"emergency\": {\"usePid\" : true}}");
-    doc[FPSTR(HA_PAYLOAD_OFF)] = F("{\"emergency\": {\"usePid\" : false}}");
-    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
-    doc.shrinkToFit();
-
-    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SWITCH), F("emergency_use_pid")).c_str(), doc);
-  }
-
-
  bool publishSwitchHeating(bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
@@ -142,7 +50,7 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SWITCH), F("heating_turbo")).c_str(), doc);
  }

-  bool publishNumberHeatingTarget(byte minTemp = 20, byte maxTemp = 90, bool enabledByDefault = true) {
+  bool publishNumberHeatingTarget(UnitSystem unit = UnitSystem::METRIC, byte minTemp = 20, byte maxTemp = 90, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
@@ -150,7 +58,14 @@ public:
    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("heating_target"));
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
    doc[FPSTR(HA_NAME)] = F("Heating target");
    doc[FPSTR(HA_ICON)] = F("mdi:radiator");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
@@ -159,7 +74,7 @@ public:
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"heating\": {\"target\" : {{ value }}}}");
    doc[FPSTR(HA_MIN)] = minTemp;
    doc[FPSTR(HA_MAX)] = maxTemp;
-    doc[FPSTR(HA_STEP)] = 0.5;
+    doc[FPSTR(HA_STEP)] = 0.5f;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
    doc.shrinkToFit();
@@ -167,14 +82,21 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_NUMBER), F("heating_target")).c_str(), doc);
  }

-  bool publishNumberHeatingHysteresis(bool enabledByDefault = true) {
+  bool publishNumberHeatingHysteresis(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("heating_hysteresis"));
    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("heating_hysteresis"));
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
    doc[FPSTR(HA_NAME)] = F("Heating hysteresis");
    doc[FPSTR(HA_ICON)] = F("mdi:altimeter");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
@@ -183,7 +105,7 @@ public:
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"heating\": {\"hysteresis\" : {{ value }}}}");
    doc[FPSTR(HA_MIN)] = 0;
    doc[FPSTR(HA_MAX)] = 5;
-    doc[FPSTR(HA_STEP)] = 0.1;
+    doc[FPSTR(HA_STEP)] = 0.1f;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
    doc.shrinkToFit();
@@ -191,7 +113,7 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_NUMBER), F("heating_hysteresis")).c_str(), doc);
  }

-  bool publishSensorHeatingSetpoint(bool enabledByDefault = true) {
+  bool publishSensorHeatingSetpoint(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
@@ -200,18 +122,25 @@ public:
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
    doc[FPSTR(HA_NAME)] = F("Heating setpoint");
    doc[FPSTR(HA_ICON)] = F("mdi:coolant-temperature");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
-    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.parameters.heatingSetpoint|int(0) }}");
+    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.parameters.heatingSetpoint|float(0)|round(1) }}");
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
    doc.shrinkToFit();

    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("heating_setpoint")).c_str(), doc);
  }

-  bool publishSensorBoilerHeatingMinTemp(bool enabledByDefault = true) {
+  bool publishSensorBoilerHeatingMinTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -223,7 +152,14 @@ public:
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
    doc[FPSTR(HA_NAME)] = F("Boiler heating min temp");
    doc[FPSTR(HA_ICON)] = F("mdi:thermometer-chevron-down");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -234,7 +170,7 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("boiler_heating_min_temp")).c_str(), doc);
  }

-  bool publishSensorBoilerHeatingMaxTemp(bool enabledByDefault = true) {
+  bool publishSensorBoilerHeatingMaxTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -246,7 +182,14 @@ public:
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
    doc[FPSTR(HA_NAME)] = F("Boiler heating max temp");
    doc[FPSTR(HA_ICON)] = F("mdi:thermometer-chevron-up");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -257,22 +200,31 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("boiler_heating_max_temp")).c_str(), doc);
  }

-  bool publishNumberHeatingMinTemp(bool enabledByDefault = true) {
+  bool publishNumberHeatingMinTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("heating_min_temp"));
    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("heating_min_temp"));
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      doc[FPSTR(HA_MIN)] = 0;
+      doc[FPSTR(HA_MAX)] = 99;
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+      doc[FPSTR(HA_MIN)] = 32;
+      doc[FPSTR(HA_MAX)] = 211;
+    }
+
    doc[FPSTR(HA_NAME)] = F("Heating min temp");
    doc[FPSTR(HA_ICON)] = F("mdi:thermometer-chevron-down");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.heating.minTemp|float(0)|round(1) }}");
    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"heating\": {\"minTemp\" : {{ value }}}}");
-    doc[FPSTR(HA_MIN)] = 0;
-    doc[FPSTR(HA_MAX)] = 99;
    doc[FPSTR(HA_STEP)] = 1;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
@@ -281,22 +233,31 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_NUMBER), F("heating_min_temp")).c_str(), doc);
  }

-  bool publishNumberHeatingMaxTemp(bool enabledByDefault = true) {
+  bool publishNumberHeatingMaxTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("heating_max_temp"));
    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("heating_max_temp"));
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      doc[FPSTR(HA_MIN)] = 1;
+      doc[FPSTR(HA_MAX)] = 100;
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+      doc[FPSTR(HA_MIN)] = 33;
+      doc[FPSTR(HA_MAX)] = 212;
+    }
+
    doc[FPSTR(HA_NAME)] = F("Heating max temp");
    doc[FPSTR(HA_ICON)] = F("mdi:thermometer-chevron-up");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.heating.maxTemp|float(0)|round(1) }}");
    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"heating\": {\"maxTemp\" : {{ value }}}}");
-    doc[FPSTR(HA_MIN)] = 1;
-    doc[FPSTR(HA_MAX)] = 100;
    doc[FPSTR(HA_STEP)] = 1;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
@@ -352,7 +313,7 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SWITCH), F("dhw")).c_str(), doc);
  }

-  bool publishNumberDhwTarget(byte minTemp = 40, byte maxTemp = 60, bool enabledByDefault = true) {
+  bool publishNumberDhwTarget(UnitSystem unit = UnitSystem::METRIC, byte minTemp = 40, byte maxTemp = 60, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
@@ -360,11 +321,18 @@ public:
    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("dhw_target"));
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
    doc[FPSTR(HA_NAME)] = F("DHW target");
    doc[FPSTR(HA_ICON)] = F("mdi:water-pump");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
-    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.dhw.target|int(0) }}");
+    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.dhw.target|float(0)|round(1) }}");
    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"dhw\": {\"target\" : {{ value|int(0) }}}}");
    doc[FPSTR(HA_MIN)] = minTemp;
@@ -377,7 +345,7 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_NUMBER), F("dhw_target")).c_str(), doc);
  }

-  bool publishSensorBoilerDhwMinTemp(bool enabledByDefault = true) {
+  bool publishSensorBoilerDhwMinTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -389,7 +357,14 @@ public:
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
    doc[FPSTR(HA_NAME)] = F("Boiler DHW min temp");
    doc[FPSTR(HA_ICON)] = F("mdi:thermometer-chevron-down");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -400,7 +375,7 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("boiler_dhw_min_temp")).c_str(), doc);
  }

-  bool publishSensorBoilerDhwMaxTemp(bool enabledByDefault = true) {
+  bool publishSensorBoilerDhwMaxTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -412,7 +387,14 @@ public:
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
    doc[FPSTR(HA_NAME)] = F("Boiler DHW max temp");
    doc[FPSTR(HA_ICON)] = F("mdi:thermometer-chevron-up");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -423,22 +405,31 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("boiler_dhw_max_temp")).c_str(), doc);
  }

-  bool publishNumberDhwMinTemp(bool enabledByDefault = true) {
+  bool publishNumberDhwMinTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("dhw_min_temp"));
    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("dhw_min_temp"));
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      doc[FPSTR(HA_MIN)] = 0;
+      doc[FPSTR(HA_MAX)] = 99;
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+      doc[FPSTR(HA_MIN)] = 32;
+      doc[FPSTR(HA_MAX)] = 211;
+    }
+
    doc[FPSTR(HA_NAME)] = F("DHW min temp");
    doc[FPSTR(HA_ICON)] = F("mdi:thermometer-chevron-down");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.dhw.minTemp|float(0)|round(1) }}");
    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"dhw\": {\"minTemp\" : {{ value }}}}");
-    doc[FPSTR(HA_MIN)] = 0;
-    doc[FPSTR(HA_MAX)] = 99;
    doc[FPSTR(HA_STEP)] = 1;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
@@ -447,22 +438,31 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_NUMBER), F("dhw_min_temp")).c_str(), doc);
  }

-  bool publishNumberDhwMaxTemp(bool enabledByDefault = true) {
+  bool publishNumberDhwMaxTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("dhw_max_temp"));
    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("dhw_max_temp"));
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      doc[FPSTR(HA_MIN)] = 1;
+      doc[FPSTR(HA_MAX)] = 100;
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+      doc[FPSTR(HA_MIN)] = 33;
+      doc[FPSTR(HA_MAX)] = 212;
+    }
+
    doc[FPSTR(HA_NAME)] = F("DHW max temp");
    doc[FPSTR(HA_ICON)] = F("mdi:thermometer-chevron-up");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.dhw.maxTemp|float(0)|round(1) }}");
    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"dhw\": {\"maxTemp\" : {{ value }}}}");
-    doc[FPSTR(HA_MIN)] = 1;
-    doc[FPSTR(HA_MAX)] = 100;
    doc[FPSTR(HA_STEP)] = 1;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
@@ -504,9 +504,9 @@ public:
    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.pid.p_factor|float(0)|round(3) }}");
    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"pid\": {\"p_factor\" : {{ value }}}}");
-    doc[FPSTR(HA_MIN)] = 0.1;
+    doc[FPSTR(HA_MIN)] = 0.1f;
    doc[FPSTR(HA_MAX)] = 1000;
-    doc[FPSTR(HA_STEP)] = 0.1;
+    doc[FPSTR(HA_STEP)] = 0.1f;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
    doc.shrinkToFit();
@@ -522,12 +522,12 @@ public:
    doc[FPSTR(HA_NAME)] = F("PID factor I");
    doc[FPSTR(HA_ICON)] = F("mdi:alpha-i-circle-outline");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
-    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.pid.i_factor|float(0)|round(3) }}");
+    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.pid.i_factor|float(0)|round(4) }}");
    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"pid\": {\"i_factor\" : {{ value }}}}");
    doc[FPSTR(HA_MIN)] = 0;
    doc[FPSTR(HA_MAX)] = 100;
-    doc[FPSTR(HA_STEP)] = 0.001;
+    doc[FPSTR(HA_STEP)] = 0.001f;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
    doc.shrinkToFit();
@@ -579,22 +579,31 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_NUMBER), F("pid_dt")).c_str(), doc);
  }

-  bool publishNumberPidMinTemp(bool enabledByDefault = true) {
+  bool publishNumberPidMinTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("pid_min_temp"));
    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("pid_min_temp"));
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      doc[FPSTR(HA_MIN)] = 0;
+      doc[FPSTR(HA_MAX)] = 99;
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+      doc[FPSTR(HA_MIN)] = 0;
+      doc[FPSTR(HA_MAX)] = 211;
+    }
+
    doc[FPSTR(HA_NAME)] = F("PID min temp");
    doc[FPSTR(HA_ICON)] = F("mdi:thermometer-chevron-down");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.pid.minTemp|float(0)|round(1) }}");
    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"pid\": {\"minTemp\" : {{ value }}}}");
-    doc[FPSTR(HA_MIN)] = 0;
-    doc[FPSTR(HA_MAX)] = 99;
    doc[FPSTR(HA_STEP)] = 1;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
@@ -603,22 +612,31 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_NUMBER), F("pid_min_temp")).c_str(), doc);
  }

-  bool publishNumberPidMaxTemp(bool enabledByDefault = true) {
+  bool publishNumberPidMaxTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("pid_max_temp"));
    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("pid_max_temp"));
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      doc[FPSTR(HA_MIN)] = 1;
+      doc[FPSTR(HA_MAX)] = 100;
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+      doc[FPSTR(HA_MIN)] = 1;
+      doc[FPSTR(HA_MAX)] = 212;
+    }
+
    doc[FPSTR(HA_NAME)] = F("PID max temp");
    doc[FPSTR(HA_ICON)] = F("mdi:thermometer-chevron-up");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.pid.maxTemp|float(0)|round(1) }}");
    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"pid\": {\"maxTemp\" : {{ value }}}}");
-    doc[FPSTR(HA_MIN)] = 1;
-    doc[FPSTR(HA_MAX)] = 100;
    doc[FPSTR(HA_STEP)] = 1;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
@@ -660,9 +678,9 @@ public:
    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.equitherm.n_factor|float(0)|round(3) }}");
    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"equitherm\": {\"n_factor\" : {{ value }}}}");
-    doc[FPSTR(HA_MIN)] = 0.001;
+    doc[FPSTR(HA_MIN)] = 0.001f;
    doc[FPSTR(HA_MAX)] = 10;
-    doc[FPSTR(HA_STEP)] = 0.001;
+    doc[FPSTR(HA_STEP)] = 0.001f;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
    doc.shrinkToFit();
@@ -683,7 +701,7 @@ public:
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"equitherm\": {\"k_factor\" : {{ value }}}}");
    doc[FPSTR(HA_MIN)] = 0;
    doc[FPSTR(HA_MAX)] = 10;
-    doc[FPSTR(HA_STEP)] = 0.01;
+    doc[FPSTR(HA_STEP)] = 0.01f;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
    doc.shrinkToFit();
@@ -706,7 +724,7 @@ public:
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"equitherm\": {\"t_factor\" : {{ value }}}}");
    doc[FPSTR(HA_MIN)] = 0;
    doc[FPSTR(HA_MAX)] = 10;
-    doc[FPSTR(HA_STEP)] = 0.01;
+    doc[FPSTR(HA_STEP)] = 0.01f;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
    doc.shrinkToFit();
@@ -715,48 +733,6 @@ public:
  }


-  bool publishSwitchTuning(bool enabledByDefault = true) {
-    JsonDocument doc;
-    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("tuning"));
-    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("tuning"));
-    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
-    doc[FPSTR(HA_NAME)] = F("Tuning");
-    doc[FPSTR(HA_ICON)] = F("mdi:tune-vertical");
-    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
-    doc[FPSTR(HA_STATE_ON)] = true;
-    doc[FPSTR(HA_STATE_OFF)] = false;
-    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.tuning.enable }}");
-    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("state/set"));
-    doc[FPSTR(HA_PAYLOAD_ON)] = F("{\"tuning\": {\"enable\" : true}}");
-    doc[FPSTR(HA_PAYLOAD_OFF)] = F("{\"tuning\": {\"enable\" : false}}");
-    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
-    doc.shrinkToFit();
-
-    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SWITCH), F("tuning")).c_str(), doc);
-  }
-
-  bool publishSelectTuningRegulator(bool enabledByDefault = true) {
-    JsonDocument doc;
-    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
-    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("state/set"));
-    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"tuning\": {\"regulator\": {% if value == 'Equitherm' %}0{% elif value == 'PID' %}1{% endif %}}}");
-    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("tuning_regulator"));
-    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("tuning_regulator"));
-    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
-    doc[FPSTR(HA_NAME)] = F("Tuning regulator");
-    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
-    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{% if value_json.tuning.regulator == 0 %}Equitherm{% elif value_json.tuning.regulator == 1 %}PID{% endif %}");
-    doc[FPSTR(HA_OPTIONS)][0] = F("Equitherm");
-    doc[FPSTR(HA_OPTIONS)][1] = F("PID");
-    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
-    doc.shrinkToFit();
-
-    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SELECT), F("tuning_regulator")).c_str(), doc);
-  }
-
-
  bool publishBinSensorStatus(bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
@@ -980,7 +956,7 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("modulation")).c_str(), doc);
  }

-  bool publishSensorPressure(bool enabledByDefault = true) {
+  bool publishSensorPressure(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -992,7 +968,14 @@ public:
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("pressure");
    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("bar");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("bar");
+
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("psi");
+    }
+
    doc[FPSTR(HA_NAME)] = F("Pressure");
    doc[FPSTR(HA_ICON)] = F("mdi:gauge");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -1003,7 +986,7 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("pressure")).c_str(), doc);
  }

-  bool publishSensorDhwFlowRate(bool enabledByDefault = true) {
+  bool publishSensorDhwFlowRate(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -1015,7 +998,14 @@ public:
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("volume_flow_rate");
    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("L/min");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("L/min");
+
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("gal/min");
+    }
+
    doc[FPSTR(HA_NAME)] = F("DHW flow rate");
    doc[FPSTR(HA_ICON)] = F("mdi:water-pump");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -1027,22 +1017,31 @@ public:
  }


-  bool publishNumberIndoorTemp(bool enabledByDefault = true) {
+  bool publishNumberIndoorTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("indoor_temp"));
    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("indoor_temp"));
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      doc[FPSTR(HA_MIN)] = -99;
+      doc[FPSTR(HA_MAX)] = 99;
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+      doc[FPSTR(HA_MIN)] = -147;
+      doc[FPSTR(HA_MAX)] = 211;
+    }
+
    doc[FPSTR(HA_NAME)] = F("Indoor temperature");
    doc[FPSTR(HA_ICON)] = F("mdi:home-thermometer");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.temperatures.indoor|float(0)|round(1) }}");
    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("state/set"));
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"temperatures\": {\"indoor\":{{ value }}}}");
-    doc[FPSTR(HA_MIN)] = -99;
-    doc[FPSTR(HA_MAX)] = 99;
-    doc[FPSTR(HA_STEP)] = 0.01;
+    doc[FPSTR(HA_STEP)] = 0.01f;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
    doc.shrinkToFit();
@@ -1050,7 +1049,7 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_NUMBER), F("indoor_temp")).c_str(), doc);
  }

-  bool publishSensorIndoorTemp(bool enabledByDefault = true) {
+  bool publishSensorIndoorTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
@@ -1059,7 +1058,14 @@ public:
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
    doc[FPSTR(HA_NAME)] = F("Indoor temperature");
    doc[FPSTR(HA_ICON)] = F("mdi:home-thermometer");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -1070,22 +1076,31 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("indoor_temp")).c_str(), doc);
  }

-  bool publishNumberOutdoorTemp(bool enabledByDefault = true) {
+  bool publishNumberOutdoorTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("outdoor_temp"));
    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("outdoor_temp"));
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      doc[FPSTR(HA_MIN)] = -99;
+      doc[FPSTR(HA_MAX)] = 99;
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+      doc[FPSTR(HA_MIN)] = -147;
+      doc[FPSTR(HA_MAX)] = 211;
+    }
+
    doc[FPSTR(HA_NAME)] = F("Outdoor temperature");
    doc[FPSTR(HA_ICON)] = F("mdi:home-thermometer-outline");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.temperatures.outdoor|float(0)|round(1) }}");
    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic(F("state/set"));
    doc[FPSTR(HA_COMMAND_TEMPLATE)] = F("{\"temperatures\": {\"outdoor\":{{ value }}}}");
-    doc[FPSTR(HA_MIN)] = -99;
-    doc[FPSTR(HA_MAX)] = 99;
-    doc[FPSTR(HA_STEP)] = 0.01;
+    doc[FPSTR(HA_STEP)] = 0.01f;
    doc[FPSTR(HA_MODE)] = "box";
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
    doc.shrinkToFit();
@@ -1093,7 +1108,7 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_NUMBER), F("outdoor_temp")).c_str(), doc);
  }

-  bool publishSensorOutdoorTemp(bool enabledByDefault = true) {
+  bool publishSensorOutdoorTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
@@ -1102,7 +1117,14 @@ public:
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
    doc[FPSTR(HA_NAME)] = F("Outdoor temperature");
    doc[FPSTR(HA_ICON)] = F("mdi:home-thermometer-outline");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -1113,7 +1135,7 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("outdoor_temp")).c_str(), doc);
  }

-  bool publishSensorHeatingTemp(bool enabledByDefault = true) {
+  bool publishSensorHeatingTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -1125,7 +1147,14 @@ public:
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
    doc[FPSTR(HA_NAME)] = F("Heating temperature");
    doc[FPSTR(HA_ICON)] = F("mdi:radiator");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -1136,7 +1165,37 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("heating_temp")).c_str(), doc);
  }

-  bool publishSensorDhwTemp(bool enabledByDefault = true) {
+  bool publishSensorHeatingReturnTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
+    JsonDocument doc;
+    doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
+    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("state"));
+    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = F("{{ iif(value_json.states.otStatus, 'online', 'offline') }}");
+    doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
+    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("heating_return_temp"));
+    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("heating_return_temp"));
+    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
+    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
+    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
+    doc[FPSTR(HA_NAME)] = F("Heating return temperature");
+    doc[FPSTR(HA_ICON)] = F("mdi:radiator");
+    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
+    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.temperatures.heatingReturn|float(0)|round(2) }}");
+    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
+    doc.shrinkToFit();
+
+    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("heating_return_temp")).c_str(), doc);
+  }
+
+  bool publishSensorDhwTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -1148,7 +1207,14 @@ public:
    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");
-    doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("°C");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
    doc[FPSTR(HA_NAME)] = F("DHW temperature");
    doc[FPSTR(HA_ICON)] = F("mdi:water-pump");
    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
@@ -1159,8 +1225,38 @@ public:
    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("dhw_temp")).c_str(), doc);
  }

+  bool publishSensorExhaustTemp(UnitSystem unit = UnitSystem::METRIC, bool enabledByDefault = true) {
+    JsonDocument doc;
+    doc[FPSTR(HA_AVAILABILITY)][0][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
+    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("state"));
+    doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = F("{{ iif(value_json.states.otStatus, 'online', 'offline') }}");
+    doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
+    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId(F("exhaust_temp"));
+    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId(F("exhaust_temp"));
+    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("diagnostic");
+    doc[FPSTR(HA_DEVICE_CLASS)] = F("temperature");
+    doc[FPSTR(HA_STATE_CLASS)] = F("measurement");

-  bool publishClimateHeating(byte minTemp = 20, byte maxTemp = 90, byte currentTempSource = HaHelper::TEMP_SOURCE_HEATING, bool enabledByDefault = true) {
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_C);
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = FPSTR(HA_UNIT_OF_MEASUREMENT_F);
+    }
+
+    doc[FPSTR(HA_NAME)] = F("Exhaust temperature");
+    doc[FPSTR(HA_ICON)] = F("mdi:smoke");
+    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(F("state"));
+    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.temperatures.exhaust|float(0)|round(2) }}");
+    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
+    doc.shrinkToFit();
+
+    return this->publish(this->getTopic(FPSTR(HA_ENTITY_SENSOR), F("exhaust_temp")).c_str(), doc);
+  }
+
+
+  bool publishClimateHeating(UnitSystem unit = UnitSystem::METRIC, byte minTemp = 20, byte maxTemp = 90, byte currentTempSource = HaHelper::TEMP_SOURCE_HEATING, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
@@ -1186,6 +1282,13 @@ public:
    doc[FPSTR(HA_TEMPERATURE_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
    doc[FPSTR(HA_TEMPERATURE_STATE_TEMPLATE)] = F("{{ value_json.heating.target|float(0)|round(1) }}");

+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_TEMPERATURE_UNIT)] = "C";
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_TEMPERATURE_UNIT)] = "F";
+    }
+
    doc[FPSTR(HA_MODE_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
    doc[FPSTR(HA_MODE_COMMAND_TEMPLATE)] = F("{% if value == 'heat' %}{\"heating\": {\"enable\" : true}}"
      "{% elif value == 'off' %}{\"heating\": {\"enable\" : false}}{% endif %}");
@@ -1206,14 +1309,14 @@ public:

    doc[FPSTR(HA_MIN_TEMP)] = minTemp;
    doc[FPSTR(HA_MAX_TEMP)] = maxTemp;
-    doc[FPSTR(HA_TEMP_STEP)] = 0.5;
+    doc[FPSTR(HA_TEMP_STEP)] = 0.5f;
    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
    doc.shrinkToFit();

    return this->publish(this->getTopic(FPSTR(HA_ENTITY_CLIMATE), F("heating"), '_').c_str(), doc);
  }

-  bool publishClimateDhw(byte minTemp = 40, byte maxTemp = 60, bool enabledByDefault = true) {
+  bool publishClimateDhw(UnitSystem unit = UnitSystem::METRIC, byte minTemp = 40, byte maxTemp = 60, bool enabledByDefault = true) {
    JsonDocument doc;
    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->getDeviceTopic(F("status"));
    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
@@ -1229,7 +1332,14 @@ public:
    doc[FPSTR(HA_TEMPERATURE_COMMAND_TEMPLATE)] = F("{\"dhw\": {\"target\" : {{ value|int(0) }}}}");

    doc[FPSTR(HA_TEMPERATURE_STATE_TOPIC)] = this->getDeviceTopic(F("settings"));
-    doc[FPSTR(HA_TEMPERATURE_STATE_TEMPLATE)] = F("{{ value_json.dhw.target|int(0) }}");
+    doc[FPSTR(HA_TEMPERATURE_STATE_TEMPLATE)] = F("{{ value_json.dhw.target|float(0)|round(1) }}");
+
+    if (unit == UnitSystem::METRIC) {
+      doc[FPSTR(HA_TEMPERATURE_UNIT)] = "C";
+      
+    } else if (unit == UnitSystem::IMPERIAL) {
+      doc[FPSTR(HA_TEMPERATURE_UNIT)] = "F";
+    }

    doc[FPSTR(HA_MODE_COMMAND_TOPIC)] = this->getDeviceTopic(F("settings/set"));
    doc[FPSTR(HA_MODE_COMMAND_TEMPLATE)] = F("{% if value == 'heat' %}{\"dhw\": {\"enable\" : true}}"
--- a/src/MainTask.h
+++ b/src/MainTask.h
@@ -1,6 +1,8 @@
 #include <Blinker.h>

-extern Network::Manager* network;
+using namespace NetworkUtils;
+
+extern NetworkMgr* network;
 extern MqttTask* tMqtt;
 extern OpenThermTask* tOt;
 extern FileData fsSettings, fsNetworkSettings;
@@ -27,7 +29,6 @@ protected:
  enum class PumpStartReason {NONE, HEATING, ANTISTUCK};

  Blinker* blinker = nullptr;
-  bool blinkerInitialized = false;
  unsigned long firstFailConnect = 0;
  unsigned long lastHeapInfo = 0;
  unsigned int minFreeHeap = 0;
@@ -39,29 +40,21 @@ protected:
  unsigned long externalPumpStartTime = 0;
  bool telnetStarted = false;

-  const char* getTaskName() {
+  #if defined(ARDUINO_ARCH_ESP32)
+  const char* getTaskName() override {
    return "Main";
  }

-  /*int getTaskCore() {
+  /*BaseType_t getTaskCore() override {
    return 1;
  }*/

-  int getTaskPriority() {
+  int getTaskPriority() override {
    return 3;
  }
+  #endif

-  void setup() {
-    #ifdef LED_STATUS_GPIO
-      pinMode(LED_STATUS_GPIO, OUTPUT);
-      digitalWrite(LED_STATUS_GPIO, LOW);
-    #endif
-
-    if (GPIO_IS_VALID(settings.externalPump.gpio)) {
-      pinMode(settings.externalPump.gpio, OUTPUT);
-      digitalWrite(settings.externalPump.gpio, LOW);
-    }
-  }
+  void setup() {}

  void loop() {
    network->loop();
@@ -89,16 +82,31 @@ protected:
      Log.sinfoln(FPSTR(L_MAIN), F("Restart signal received. Restart after 10 sec."));
    }

-    if (network->isConnected()) {
-      vars.sensors.rssi = WiFi.RSSI();
+    vars.states.mqtt = tMqtt->isConnected();
+    vars.sensors.rssi = network->isConnected() ? WiFi.RSSI() : 0;

+    if (vars.states.emergency && !settings.emergency.enable) {
+      vars.states.emergency = false;
+    }
+
+    if (network->isConnected()) {
      if (!this->telnetStarted && telnetStream != nullptr) {
        telnetStream->begin(23, false);
        this->telnetStarted = true;
      }

-      if (!tMqtt->isEnabled() && strlen(settings.mqtt.server) > 0) {
+      if (settings.mqtt.enable && !tMqtt->isEnabled()) {
        tMqtt->enable();
+
+      } else if (!settings.mqtt.enable && tMqtt->isEnabled()) {
+        tMqtt->disable();
+      }
+
+      if (!vars.states.emergency && settings.emergency.enable && settings.emergency.onMqttFault && !tMqtt->isEnabled()) {
+        vars.states.emergency = true;
+
+      } else if (vars.states.emergency && !settings.emergency.onMqttFault) {
+        vars.states.emergency = false;
      }

      if (this->firstFailConnect != 0) {
@@ -122,12 +130,12 @@ protected:
        tMqtt->disable();
      }

-      if (settings.emergency.enable && !vars.states.emergency) {
+      if (!vars.states.emergency && settings.emergency.enable && settings.emergency.onNetworkFault) {
        if (this->firstFailConnect == 0) {
          this->firstFailConnect = millis();
        }

-        if (millis() - this->firstFailConnect > EMERGENCY_TIME_TRESHOLD) {
+        if (millis() - this->firstFailConnect > (settings.emergency.tresholdTime * 1000)) {
          vars.states.emergency = true;
          Log.sinfoln(FPSTR(L_MAIN), F("Emergency mode enabled"));
        }
@@ -136,9 +144,7 @@ protected:
    this->yield();


-    #ifdef LED_STATUS_GPIO
-      this->ledStatus(LED_STATUS_GPIO);
-    #endif
+    this->ledStatus();
    this->externalPump();
    this->yield();

@@ -207,16 +213,32 @@ protected:
    }
  }

-  void ledStatus(uint8_t gpio) {
+  void ledStatus() {
    uint8_t errors[4];
    uint8_t errCount = 0;
    static uint8_t errPos = 0;
    static unsigned long endBlinkTime = 0;
    static bool ledOn = false;
+    static uint8_t configuredGpio = GPIO_IS_NOT_CONFIGURED;

-    if (!this->blinkerInitialized) {
-      this->blinker->init(gpio);
-      this->blinkerInitialized = true;
+    if (settings.system.statusLedGpio != configuredGpio) {
+      if (configuredGpio != GPIO_IS_NOT_CONFIGURED) {
+        digitalWrite(configuredGpio, LOW);
+      }
+      
+      if (GPIO_IS_VALID(settings.system.statusLedGpio)) {
+        configuredGpio = settings.system.statusLedGpio;
+        pinMode(configuredGpio, OUTPUT);
+        digitalWrite(configuredGpio, LOW);
+        this->blinker->init(configuredGpio);
+
+      } else if (configuredGpio != GPIO_IS_NOT_CONFIGURED) {
+        configuredGpio = GPIO_IS_NOT_CONFIGURED;
+      }
+    }
+
+    if (configuredGpio == GPIO_IS_NOT_CONFIGURED) {
+      return;
    }

    if (!network->isConnected()) {
@@ -243,14 +265,14 @@ protected:
    if (!this->blinker->running() && millis() - endBlinkTime >= 5000) {
      if (errCount == 0) {
        if (!ledOn) {
-          digitalWrite(gpio, HIGH);
+          digitalWrite(configuredGpio, HIGH);
          ledOn = true;
        }

        return;

      } else if (ledOn) {
-        digitalWrite(gpio, LOW);
+        digitalWrite(configuredGpio, LOW);
        ledOn = false;
        endBlinkTime = millis();
        return;
@@ -271,6 +293,34 @@ protected:
  }

  void externalPump() {
+    static uint8_t configuredGpio = GPIO_IS_NOT_CONFIGURED;
+
+    if (settings.externalPump.gpio != configuredGpio) {
+      if (configuredGpio != GPIO_IS_NOT_CONFIGURED) {
+        digitalWrite(configuredGpio, LOW);
+      }
+      
+      if (GPIO_IS_VALID(settings.externalPump.gpio)) {
+        configuredGpio = settings.externalPump.gpio;
+        pinMode(configuredGpio, OUTPUT);
+        digitalWrite(configuredGpio, LOW);
+
+      } else if (configuredGpio != GPIO_IS_NOT_CONFIGURED) {
+        configuredGpio = GPIO_IS_NOT_CONFIGURED;
+      }
+    }
+
+    if (configuredGpio == GPIO_IS_NOT_CONFIGURED) {
+      if (vars.states.externalPump) {
+        vars.states.externalPump = false;
+        vars.parameters.extPumpLastEnableTime = millis();
+
+        Log.sinfoln("EXTPUMP", F("Disabled: use = off"));
+      }
+
+      return;
+    }
+
    if (!vars.states.heating && this->heatingEnabled) {
      this->heatingEnabled = false;
      this->heatingDisabledTime = millis();
@@ -279,11 +329,9 @@ protected:
      this->heatingEnabled = true;
    }
    
-    if (!settings.externalPump.use || !GPIO_IS_VALID(settings.externalPump.gpio)) {
+    if (!settings.externalPump.use) {
      if (vars.states.externalPump) {
-        if (GPIO_IS_VALID(settings.externalPump.gpio)) {
-          digitalWrite(settings.externalPump.gpio, LOW);
-        }
+        digitalWrite(configuredGpio, LOW);

        vars.states.externalPump = false;
        vars.parameters.extPumpLastEnableTime = millis();
@@ -296,7 +344,7 @@ protected:

    if (vars.states.externalPump && !this->heatingEnabled) {
      if (this->extPumpStartReason == MainTask::PumpStartReason::HEATING && millis() - this->heatingDisabledTime > (settings.externalPump.postCirculationTime * 1000u)) {
-        digitalWrite(settings.externalPump.gpio, LOW);
+        digitalWrite(configuredGpio, LOW);

        vars.states.externalPump = false;
        vars.parameters.extPumpLastEnableTime = millis();
@@ -304,7 +352,7 @@ protected:
        Log.sinfoln("EXTPUMP", F("Disabled: expired post circulation time"));

      } else if (this->extPumpStartReason == MainTask::PumpStartReason::ANTISTUCK && millis() - this->externalPumpStartTime >= (settings.externalPump.antiStuckTime * 1000u)) {
-        digitalWrite(settings.externalPump.gpio, LOW);
+        digitalWrite(configuredGpio, LOW);

        vars.states.externalPump = false;
        vars.parameters.extPumpLastEnableTime = millis();
@@ -320,7 +368,7 @@ protected:
      this->externalPumpStartTime = millis();
      this->extPumpStartReason = MainTask::PumpStartReason::HEATING;

-      digitalWrite(settings.externalPump.gpio, HIGH);
+      digitalWrite(configuredGpio, HIGH);

      Log.sinfoln("EXTPUMP", F("Enabled: heating on"));

@@ -329,7 +377,7 @@ protected:
      this->externalPumpStartTime = millis();
      this->extPumpStartReason = MainTask::PumpStartReason::ANTISTUCK;

-      digitalWrite(settings.externalPump.gpio, HIGH);
+      digitalWrite(configuredGpio, HIGH);

      Log.sinfoln("EXTPUMP", F("Enabled: anti stuck"));
    }
--- a/src/MqttTask.h
+++ b/src/MqttTask.h
@@ -20,6 +20,11 @@ public:
    if (this->client != nullptr) {
      if (this->client->connected()) {
        this->client->stop();
+
+        if (this->connected) {
+          this->onDisconnect();
+          this->connected = false;
+        }
      }

      delete this->client;
@@ -31,6 +36,12 @@ public:

  void disable() {
    this->client->stop();
+
+    if (this->connected) {
+      this->onDisconnect();
+      this->connected = false;
+    }
+    
    Task::disable();

    Log.sinfoln(FPSTR(L_MQTT), F("Disabled"));
@@ -42,15 +53,25 @@ public:
    Log.sinfoln(FPSTR(L_MQTT), F("Enabled"));
  }

-  bool isConnected() {
+  inline bool isConnected() {
    return this->connected;
  }

+  inline void resetPublishedSettingsTime() {
+    this->prevPubSettingsTime = 0;
+  }
+
+  inline void resetPublishedVarsTime() {
+    this->prevPubVarsTime = 0;
+  }
+
 protected:
  MqttWiFiClient* wifiClient = nullptr;
  MqttClient* client = nullptr;
  HaHelper* haHelper = nullptr;
  MqttWriter* writer = nullptr;
+  UnitSystem currentUnitSystem = UnitSystem::METRIC;
+  bool currentHomeAssistantDiscovery = false;
  unsigned short readyForSendTime = 15000;
  unsigned long lastReconnectTime = 0;
  unsigned long connectedTime = 0;
@@ -60,19 +81,21 @@ protected:
  bool connected = false;
  bool newConnection = false;

-  const char* getTaskName() {
+  #if defined(ARDUINO_ARCH_ESP32)
+  const char* getTaskName() override {
    return "Mqtt";
  }
  
-  /*int getTaskCore() {
+  /*BaseType_t getTaskCore() override {
    return 1;
  }*/

-  int getTaskPriority() {
+  int getTaskPriority() override {
    return 2;
  }
+  #endif

-  bool isReadyForSend() {
+  inline bool isReadyForSend() {
    return millis() - this->connectedTime > this->readyForSendTime;
  }

@@ -140,7 +163,7 @@ protected:

    // ha helper settings
    this->haHelper->setDevicePrefix(settings.mqtt.prefix);
-    this->haHelper->setDeviceVersion(PROJECT_VERSION);
+    this->haHelper->setDeviceVersion(BUILD_VERSION);
    this->haHelper->setDeviceModel(PROJECT_NAME);
    this->haHelper->setDeviceName(PROJECT_NAME);
    this->haHelper->setWriter(this->writer);
@@ -175,13 +198,15 @@ protected:
      this->onConnect();
    }

-    if (!this->connected && settings.emergency.enable && !vars.states.emergency && millis() - this->disconnectedTime > EMERGENCY_TIME_TRESHOLD) {
-      vars.states.emergency = true;
-      Log.sinfoln(FPSTR(L_MQTT), F("Emergency mode enabled"));
+    if (settings.emergency.enable && settings.emergency.onMqttFault) {
+      if (!this->connected && !vars.states.emergency && millis() - this->disconnectedTime > (settings.emergency.tresholdTime * 1000)) {
+        vars.states.emergency = true;
+        Log.sinfoln(FPSTR(L_MQTT), F("Emergency mode enabled"));

-    } else if (this->connected && vars.states.emergency && millis() - this->connectedTime > 10000) {
-      vars.states.emergency = false;
-      Log.sinfoln(FPSTR(L_MQTT), F("Emergency mode disabled"));
+      } else if (this->connected && vars.states.emergency && millis() - this->connectedTime > 10000) {
+        vars.states.emergency = false;
+        Log.sinfoln(FPSTR(L_MQTT), F("Emergency mode disabled"));
+      }
    }

    if (!this->connected) {
@@ -213,14 +238,24 @@ protected:
    }

    // publish ha entities if not published
-    if (this->newConnection) {
-      this->publishHaEntities();
-      this->publishNonStaticHaEntities(true);
-      this->newConnection = false;
+    if (settings.mqtt.homeAssistantDiscovery) {
+      if (this->newConnection || !this->currentHomeAssistantDiscovery || this->currentUnitSystem != settings.system.unitSystem) {
+        this->publishHaEntities();
+        this->publishNonStaticHaEntities(true);
+        this->currentHomeAssistantDiscovery = true;
+        this->currentUnitSystem = settings.system.unitSystem;

-    } else {
-      // publish non static ha entities
-      this->publishNonStaticHaEntities();
+      } else {
+        // publish non static ha entities
+        this->publishNonStaticHaEntities();
+      }
+
+    } else if (this->currentHomeAssistantDiscovery) {
+      this->currentHomeAssistantDiscovery = false;
+    }
+
+    if (this->newConnection) {
+      this->newConnection = false;
    }
  }

@@ -276,61 +311,35 @@ protected:
      Log.swarningln(FPSTR(L_MQTT_MSG), F("Not valid json"));
      return;
    }
+    doc.shrinkToFit();

    if (this->haHelper->getDeviceTopic("state/set").equals(topic)) {
      this->writer->publish(this->haHelper->getDeviceTopic("state/set").c_str(), nullptr, 0, true);
-      this->updateVariables(doc);
+      
+      if (jsonToVars(doc, vars)) {
+        this->resetPublishedVarsTime();
+      }

    } else if (this->haHelper->getDeviceTopic("settings/set").equals(topic)) {
      this->writer->publish(this->haHelper->getDeviceTopic("settings/set").c_str(), nullptr, 0, true);
-      this->updateSettings(doc);
+      
+      if (safeJsonToSettings(doc, settings)) {
+        this->resetPublishedSettingsTime();
+        fsSettings.update();
+      }
    }
  }

-
-  bool updateSettings(JsonDocument& doc) {
-    bool changed = safeJsonToSettings(doc, settings);
-    doc.clear();
-    doc.shrinkToFit();
-
-    if (changed) {
-      this->prevPubSettingsTime = 0;
-      fsSettings.update();
-      return true;
-    }
-
-    return false;
-  }
-
-  bool updateVariables(JsonDocument& doc) {
-    bool changed = jsonToVars(doc, vars);
-    doc.clear();
-    doc.shrinkToFit();
-
-    if (changed) {
-      this->prevPubVarsTime = 0;
-      return true;
-    }
-
-    return false;
-  }
-
  void publishHaEntities() {
-    // emergency
-    this->haHelper->publishSwitchEmergency();
-    this->haHelper->publishNumberEmergencyTarget();
-    this->haHelper->publishSwitchEmergencyUseEquitherm();
-    this->haHelper->publishSwitchEmergencyUsePid();
-
    // heating
    this->haHelper->publishSwitchHeating(false);
    this->haHelper->publishSwitchHeatingTurbo();
-    this->haHelper->publishNumberHeatingHysteresis();
-    this->haHelper->publishSensorHeatingSetpoint(false);
-    this->haHelper->publishSensorBoilerHeatingMinTemp(false);
-    this->haHelper->publishSensorBoilerHeatingMaxTemp(false);
-    this->haHelper->publishNumberHeatingMinTemp(false);
-    this->haHelper->publishNumberHeatingMaxTemp(false);
+    this->haHelper->publishNumberHeatingHysteresis(settings.system.unitSystem);
+    this->haHelper->publishSensorHeatingSetpoint(settings.system.unitSystem, false);
+    this->haHelper->publishSensorBoilerHeatingMinTemp(settings.system.unitSystem, false);
+    this->haHelper->publishSensorBoilerHeatingMaxTemp(settings.system.unitSystem, false);
+    this->haHelper->publishNumberHeatingMinTemp(settings.system.unitSystem, false);
+    this->haHelper->publishNumberHeatingMaxTemp(settings.system.unitSystem, false);
    this->haHelper->publishNumberHeatingMaxModulation(false);

    // pid
@@ -339,8 +348,8 @@ protected:
    this->haHelper->publishNumberPidFactorI();
    this->haHelper->publishNumberPidFactorD();
    this->haHelper->publishNumberPidDt(false);
-    this->haHelper->publishNumberPidMinTemp(false);
-    this->haHelper->publishNumberPidMaxTemp(false);
+    this->haHelper->publishNumberPidMinTemp(settings.system.unitSystem, false);
+    this->haHelper->publishNumberPidMaxTemp(settings.system.unitSystem, false);

    // equitherm
    this->haHelper->publishSwitchEquitherm();
@@ -348,10 +357,6 @@ protected:
    this->haHelper->publishNumberEquithermFactorK();
    this->haHelper->publishNumberEquithermFactorT();

-    // tuning
-    this->haHelper->publishSwitchTuning();
-    this->haHelper->publishSelectTuningRegulator();
-
    // states
    this->haHelper->publishBinSensorStatus();
    this->haHelper->publishBinSensorOtStatus();
@@ -362,14 +367,16 @@ protected:

    // sensors
    this->haHelper->publishSensorModulation(false);
-    this->haHelper->publishSensorPressure(false);
+    this->haHelper->publishSensorPressure(settings.system.unitSystem, false);
    this->haHelper->publishSensorFaultCode();
    this->haHelper->publishSensorRssi(false);
    this->haHelper->publishSensorUptime(false);

    // temperatures
-    this->haHelper->publishNumberIndoorTemp();
-    this->haHelper->publishSensorHeatingTemp();
+    this->haHelper->publishNumberIndoorTemp(settings.system.unitSystem);
+    this->haHelper->publishSensorHeatingTemp(settings.system.unitSystem);
+    this->haHelper->publishSensorHeatingReturnTemp(settings.system.unitSystem, false);
+    this->haHelper->publishSensorExhaustTemp(settings.system.unitSystem, false);

    // buttons
    this->haHelper->publishButtonRestart(false);
@@ -379,27 +386,36 @@ protected:

  bool publishNonStaticHaEntities(bool force = false) {
    static byte _heatingMinTemp, _heatingMaxTemp, _dhwMinTemp, _dhwMaxTemp = 0;
-    static bool _isStupidMode, _editableOutdoorTemp, _editableIndoorTemp, _dhwPresent = false;
+    static bool _noRegulators, _editableOutdoorTemp, _editableIndoorTemp, _dhwPresent = false;

    bool published = false;
-    bool isStupidMode = !settings.pid.enable && !settings.equitherm.enable;
-    byte heatingMinTemp = isStupidMode ? settings.heating.minTemp : 10;
-    byte heatingMaxTemp = isStupidMode ? settings.heating.maxTemp : 30;
+    bool noRegulators = !settings.opentherm.nativeHeatingControl && !settings.pid.enable && !settings.equitherm.enable;
+    byte heatingMinTemp = 0;
+    byte heatingMaxTemp = 0;
    bool editableOutdoorTemp = settings.sensors.outdoor.type == SensorType::MANUAL;
    bool editableIndoorTemp = settings.sensors.indoor.type == SensorType::MANUAL;

+    if (noRegulators) {
+      heatingMinTemp = settings.heating.minTemp;
+      heatingMaxTemp = settings.heating.maxTemp;
+
+    } else {
+      heatingMinTemp = convertTemp(THERMOSTAT_INDOOR_MIN_TEMP, UnitSystem::METRIC, settings.system.unitSystem);
+      heatingMaxTemp = convertTemp(THERMOSTAT_INDOOR_MAX_TEMP, UnitSystem::METRIC, settings.system.unitSystem);
+    }
+
    if (force || _dhwPresent != settings.opentherm.dhwPresent) {
      _dhwPresent = settings.opentherm.dhwPresent;

      if (_dhwPresent) {
        this->haHelper->publishSwitchDhw(false);
-        this->haHelper->publishSensorBoilerDhwMinTemp(false);
-        this->haHelper->publishSensorBoilerDhwMaxTemp(false);
-        this->haHelper->publishNumberDhwMinTemp(false);
-        this->haHelper->publishNumberDhwMaxTemp(false);
+        this->haHelper->publishSensorBoilerDhwMinTemp(settings.system.unitSystem, false);
+        this->haHelper->publishSensorBoilerDhwMaxTemp(settings.system.unitSystem, false);
+        this->haHelper->publishNumberDhwMinTemp(settings.system.unitSystem, false);
+        this->haHelper->publishNumberDhwMaxTemp(settings.system.unitSystem, false);
        this->haHelper->publishBinSensorDhw();
-        this->haHelper->publishSensorDhwTemp();
-        this->haHelper->publishSensorDhwFlowRate(false);
+        this->haHelper->publishSensorDhwTemp(settings.system.unitSystem);
+        this->haHelper->publishSensorDhwFlowRate(settings.system.unitSystem, false);

      } else {
        this->haHelper->deleteSwitchDhw();
@@ -417,30 +433,17 @@ protected:
      published = true;
    }

-    if (force || _heatingMinTemp != heatingMinTemp || _heatingMaxTemp != heatingMaxTemp) {
-      if (settings.heating.target < heatingMinTemp || settings.heating.target > heatingMaxTemp) {
-        settings.heating.target = constrain(settings.heating.target, heatingMinTemp, heatingMaxTemp);
-      }
-
+    if (force || _noRegulators != noRegulators || _heatingMinTemp != heatingMinTemp || _heatingMaxTemp != heatingMaxTemp) {
      _heatingMinTemp = heatingMinTemp;
      _heatingMaxTemp = heatingMaxTemp;
-      _isStupidMode = isStupidMode;
+      _noRegulators = noRegulators;

-      this->haHelper->publishNumberHeatingTarget(heatingMinTemp, heatingMaxTemp, false);
+      this->haHelper->publishNumberHeatingTarget(settings.system.unitSystem, heatingMinTemp, heatingMaxTemp, false);
      this->haHelper->publishClimateHeating(
+        settings.system.unitSystem,
        heatingMinTemp,
        heatingMaxTemp,
-        isStupidMode ? HaHelper::TEMP_SOURCE_HEATING : HaHelper::TEMP_SOURCE_INDOOR
-      );
-
-      published = true;
-
-    } else if (_isStupidMode != isStupidMode) {
-      _isStupidMode = isStupidMode;
-      this->haHelper->publishClimateHeating(
-        heatingMinTemp,
-        heatingMaxTemp,
-        isStupidMode ? HaHelper::TEMP_SOURCE_HEATING : HaHelper::TEMP_SOURCE_INDOOR
+        noRegulators ? HaHelper::TEMP_SOURCE_HEATING : HaHelper::TEMP_SOURCE_INDOOR
      );

      published = true;
@@ -450,8 +453,8 @@ protected:
      _dhwMinTemp = settings.dhw.minTemp;
      _dhwMaxTemp = settings.dhw.maxTemp;

-      this->haHelper->publishNumberDhwTarget(settings.dhw.minTemp, settings.dhw.maxTemp, false);
-      this->haHelper->publishClimateDhw(settings.dhw.minTemp, settings.dhw.maxTemp);
+      this->haHelper->publishNumberDhwTarget(settings.system.unitSystem, settings.dhw.minTemp, settings.dhw.maxTemp, false);
+      this->haHelper->publishClimateDhw(settings.system.unitSystem, settings.dhw.minTemp, settings.dhw.maxTemp);

      published = true;
    }
@@ -461,10 +464,10 @@ protected:

      if (editableOutdoorTemp) {
        this->haHelper->deleteSensorOutdoorTemp();
-        this->haHelper->publishNumberOutdoorTemp();
+        this->haHelper->publishNumberOutdoorTemp(settings.system.unitSystem);
      } else {
        this->haHelper->deleteNumberOutdoorTemp();
-        this->haHelper->publishSensorOutdoorTemp();
+        this->haHelper->publishSensorOutdoorTemp(settings.system.unitSystem);
      }

      published = true;
@@ -475,10 +478,10 @@ protected:

      if (editableIndoorTemp) {
        this->haHelper->deleteSensorIndoorTemp();
-        this->haHelper->publishNumberIndoorTemp();
+        this->haHelper->publishNumberIndoorTemp(settings.system.unitSystem);
      } else {
        this->haHelper->deleteNumberIndoorTemp();
-        this->haHelper->publishSensorIndoorTemp();
+        this->haHelper->publishSensorIndoorTemp(settings.system.unitSystem);
      }

      published = true;
--- a/src/OpenThermTask.h
+++ b/src/OpenThermTask.h
@@ -29,25 +29,31 @@ protected:
  unsigned long prevUpdateNonEssentialVars = 0;
  unsigned long dhwSetTempTime = 0;
  unsigned long heatingSetTempTime = 0;
+  byte configuredRxLedGpio = GPIO_IS_NOT_CONFIGURED;
+  byte configuredFaultStateGpio = GPIO_IS_NOT_CONFIGURED;
+  bool faultState = false;

-
-  const char* getTaskName() {
+  #if defined(ARDUINO_ARCH_ESP32)
+  const char* getTaskName() override {
    return "OpenTherm";
  }
  
-  int getTaskCore() {
+  BaseType_t getTaskCore() override {
    return 1;
  }

-  int getTaskPriority() {
+  int getTaskPriority() override {
    return 5;
  }
+  #endif

  void setup() {
-    #ifdef LED_OT_RX_GPIO
-      pinMode(LED_OT_RX_GPIO, OUTPUT);
-      digitalWrite(LED_OT_RX_GPIO, LOW);
-    #endif
+    if (settings.system.unitSystem != UnitSystem::METRIC) {
+      vars.parameters.heatingMinTemp = convertTemp(vars.parameters.heatingMinTemp, UnitSystem::METRIC, settings.system.unitSystem);
+      vars.parameters.heatingMaxTemp = convertTemp(vars.parameters.heatingMaxTemp, UnitSystem::METRIC, settings.system.unitSystem);
+      vars.parameters.dhwMinTemp = convertTemp(vars.parameters.dhwMinTemp, UnitSystem::METRIC, settings.system.unitSystem);
+      vars.parameters.dhwMaxTemp = convertTemp(vars.parameters.dhwMaxTemp, UnitSystem::METRIC, settings.system.unitSystem);
+    }

    // delete instance
    if (this->instance != nullptr) {
@@ -82,13 +88,11 @@ protected:
      if (status == OpenThermResponseStatus::SUCCESS) {
        this->lastSuccessResponse = millis();

-        #ifdef LED_OT_RX_GPIO
-        {
-          digitalWrite(LED_OT_RX_GPIO, HIGH);
+        if (this->configuredRxLedGpio != GPIO_IS_NOT_CONFIGURED) {
+          digitalWrite(this->configuredRxLedGpio, HIGH);
          delayMicroseconds(2000);
-          digitalWrite(LED_OT_RX_GPIO, LOW);
+          digitalWrite(this->configuredRxLedGpio, LOW);
        }
-        #endif
      }
    });

@@ -100,7 +104,8 @@ protected:
  }

  void loop() {
-    static byte currentHeatingTemp, currentDhwTemp = 0;
+    static float currentHeatingTemp = 0.0f;
+    static float currentDhwTemp = 0.0f;

    if (this->instanceInGpio != settings.opentherm.inGpio || this->instanceOutGpio != settings.opentherm.outGpio) {
      this->setup();
@@ -114,6 +119,43 @@ protected:
      return;
    }

+    // RX LED GPIO setup
+    if (settings.opentherm.rxLedGpio != this->configuredRxLedGpio) {
+      if (this->configuredRxLedGpio != GPIO_IS_NOT_CONFIGURED) {
+        digitalWrite(this->configuredRxLedGpio, LOW);
+      }
+      
+      if (GPIO_IS_VALID(settings.opentherm.rxLedGpio)) {
+        this->configuredRxLedGpio = settings.opentherm.rxLedGpio;
+        pinMode(this->configuredRxLedGpio, OUTPUT);
+        digitalWrite(this->configuredRxLedGpio, LOW);
+
+      } else if (this->configuredRxLedGpio != GPIO_IS_NOT_CONFIGURED) {
+        this->configuredRxLedGpio = GPIO_IS_NOT_CONFIGURED;
+      }
+    }
+
+    // Fault state setup
+    if (settings.opentherm.faultStateGpio != this->configuredFaultStateGpio) {
+      if (this->configuredFaultStateGpio != GPIO_IS_NOT_CONFIGURED) {
+        digitalWrite(this->configuredFaultStateGpio, LOW);
+      }
+      
+      if (GPIO_IS_VALID(settings.opentherm.faultStateGpio)) {
+        this->configuredFaultStateGpio = settings.opentherm.faultStateGpio;
+        this->faultState = false ^ settings.opentherm.invertFaultState ? HIGH : LOW;
+
+        pinMode(this->configuredFaultStateGpio, OUTPUT);
+        digitalWrite(
+          this->configuredFaultStateGpio,
+          this->faultState
+        );
+
+      } else if (this->configuredFaultStateGpio != GPIO_IS_NOT_CONFIGURED) {
+        this->configuredFaultStateGpio = GPIO_IS_NOT_CONFIGURED;
+      }
+    }
+
    bool heatingEnabled = (vars.states.emergency || settings.heating.enable) && this->pump && this->isReady();
    bool heatingCh2Enabled = settings.opentherm.heatingCh2Enabled;
    if (settings.opentherm.heatingCh1ToCh2) {
@@ -127,7 +169,7 @@ protected:
      heatingEnabled,
      settings.opentherm.dhwPresent && settings.dhw.enable,
      false,
-      false,
+      settings.opentherm.nativeHeatingControl,
      heatingCh2Enabled,
      settings.opentherm.summerWinterMode,
      settings.opentherm.dhwBlocking
@@ -157,6 +199,16 @@ protected:
      vars.states.fault = false;
      vars.states.diagnostic = false;

+      // Force fault state = on
+      if (this->configuredFaultStateGpio != GPIO_IS_NOT_CONFIGURED) {
+        bool fState = true ^ settings.opentherm.invertFaultState ? HIGH : LOW;
+
+        if (fState != this->faultState) {
+          this->faultState = fState;
+          digitalWrite(this->configuredFaultStateGpio, this->faultState);
+        }
+      }
+
      return;
    }

@@ -182,6 +234,16 @@ protected:
    vars.states.fault = CustomOpenTherm::isFault(response);
    vars.states.diagnostic = CustomOpenTherm::isDiagnostic(response);

+    // Fault state
+    if (this->configuredFaultStateGpio != GPIO_IS_NOT_CONFIGURED) {
+      bool fState = vars.states.fault ^ settings.opentherm.invertFaultState ? HIGH : LOW;
+      
+      if (fState != this->faultState) {
+        this->faultState = fState;
+        digitalWrite(this->configuredFaultStateGpio, this->faultState);
+      }
+    }
+
    // These parameters will be updated every minute
    if (millis() - this->prevUpdateNonEssentialVars > 60000) {
      if (!heatingEnabled && settings.opentherm.modulationSyncWithHeating) {
@@ -203,7 +265,7 @@ protected:


      // Get DHW min/max temp (if necessary)
-      if (settings.opentherm.dhwPresent) {
+      if (settings.opentherm.dhwPresent && settings.opentherm.getMinMaxTemp) {
        if (updateMinMaxDhwTemp()) {
          if (settings.dhw.minTemp < vars.parameters.dhwMinTemp) {
            settings.dhw.minTemp = vars.parameters.dhwMinTemp;
@@ -218,44 +280,49 @@ protected:
          }

        } else {
+          vars.parameters.dhwMinTemp = convertTemp(DEFAULT_DHW_MIN_TEMP, UnitSystem::METRIC, settings.system.unitSystem);
+          vars.parameters.dhwMaxTemp = convertTemp(DEFAULT_DHW_MAX_TEMP, UnitSystem::METRIC, settings.system.unitSystem);
+
          Log.swarningln(FPSTR(L_OT_DHW), F("Failed get min/max temp"));
        }

        if (settings.dhw.minTemp >= settings.dhw.maxTemp) {
-          settings.dhw.minTemp = 30;
-          settings.dhw.maxTemp = 60;
+          settings.dhw.minTemp = vars.parameters.dhwMinTemp;
+          settings.dhw.maxTemp = vars.parameters.dhwMaxTemp;
          fsSettings.update();
        }
      }


      // Get heating min/max temp
-      if (updateMinMaxHeatingTemp()) {
-        if (settings.heating.minTemp < vars.parameters.heatingMinTemp) {
-          settings.heating.minTemp = vars.parameters.heatingMinTemp;
-          fsSettings.update();
-          Log.snoticeln(FPSTR(L_OT_HEATING), F("Updated min temp: %hhu"), settings.heating.minTemp);
-        }
+      if (settings.opentherm.getMinMaxTemp) {
+        if (updateMinMaxHeatingTemp()) {
+          if (settings.heating.minTemp < vars.parameters.heatingMinTemp) {
+            settings.heating.minTemp = vars.parameters.heatingMinTemp;
+            fsSettings.update();
+            Log.snoticeln(FPSTR(L_OT_HEATING), F("Updated min temp: %hhu"), settings.heating.minTemp);
+          }

-        if (settings.heating.maxTemp > vars.parameters.heatingMaxTemp) {
-          settings.heating.maxTemp = vars.parameters.heatingMaxTemp;
-          fsSettings.update();
-          Log.snoticeln(FPSTR(L_OT_HEATING), F("Updated max temp: %hhu"), settings.heating.maxTemp);
-        }
+          if (settings.heating.maxTemp > vars.parameters.heatingMaxTemp) {
+            settings.heating.maxTemp = vars.parameters.heatingMaxTemp;
+            fsSettings.update();
+            Log.snoticeln(FPSTR(L_OT_HEATING), F("Updated max temp: %hhu"), settings.heating.maxTemp);
+          }
+          
+        } else {
+          vars.parameters.heatingMinTemp = convertTemp(DEFAULT_HEATING_MIN_TEMP, UnitSystem::METRIC, settings.system.unitSystem);
+          vars.parameters.heatingMaxTemp = convertTemp(DEFAULT_HEATING_MAX_TEMP, UnitSystem::METRIC, settings.system.unitSystem);

-      } else {
-        Log.swarningln(FPSTR(L_OT_HEATING), F("Failed get min/max temp"));
+          Log.swarningln(FPSTR(L_OT_HEATING), F("Failed get min/max temp"));
+        }
      }

      if (settings.heating.minTemp >= settings.heating.maxTemp) {
-        settings.heating.minTemp = 20;
-        settings.heating.maxTemp = 90;
+        settings.heating.minTemp = vars.parameters.heatingMinTemp;
+        settings.heating.maxTemp = vars.parameters.heatingMaxTemp;
        fsSettings.update();
      }

-      // Force set max heating temp
-      setMaxHeatingTemp(settings.heating.maxTemp);
-
      // Get outdoor temp (if necessary)
      if (settings.sensors.outdoor.type == SensorType::BOILER) {
        updateOutsideTemp();
@@ -264,6 +331,9 @@ protected:
      // Get fault code (if necessary)
      if (vars.states.fault) {
        updateFaultCode();
+        
+      } else if (vars.sensors.faultCode != 0) {
+        vars.sensors.faultCode = 0;
      }

      updatePressure();
@@ -273,7 +343,7 @@ protected:


    // Get current modulation level (if necessary)
-    if ((settings.opentherm.dhwPresent && settings.dhw.enable) || settings.heating.enable || heatingEnabled) {
+    if (vars.states.flame) {
      updateModulationLevel();

    } else {
@@ -293,6 +363,12 @@ protected:
    // Get current heating temp
    updateHeatingTemp();

+    // Get heating return temp
+    updateHeatingReturnTemp();
+
+    // Get exhaust temp
+    updateExhaustTemp();
+

    // Fault reset action
    if (vars.actions.resetFault) {
@@ -324,17 +400,13 @@ protected:


    // Update DHW temp
-    byte newDhwTemp = settings.dhw.target;
-    if (settings.opentherm.dhwPresent && settings.dhw.enable && (needSetDhwTemp() || newDhwTemp != currentDhwTemp)) {
-      if (newDhwTemp < settings.dhw.minTemp || newDhwTemp > settings.dhw.maxTemp) {
-        newDhwTemp = constrain(newDhwTemp, settings.dhw.minTemp, settings.dhw.maxTemp);
-      }
-
-      Log.sinfoln(FPSTR(L_OT_DHW), F("Set temp = %u"), newDhwTemp);
+    if (settings.opentherm.dhwPresent && settings.dhw.enable && (this->needSetDhwTemp() || fabs(settings.dhw.target - currentDhwTemp) > 0.0001f)) {
+      float convertedTemp = convertTemp(settings.dhw.target, settings.system.unitSystem, settings.opentherm.unitSystem);
+      Log.sinfoln(FPSTR(L_OT_DHW), F("Set temp: %.2f (converted: %.2f)"), settings.dhw.target, convertedTemp);

      // Set DHW temp
-      if (this->instance->setDhwTemp(newDhwTemp)) {
-        currentDhwTemp = newDhwTemp;
+      if (this->instance->setDhwTemp(convertedTemp)) {
+        currentDhwTemp = settings.dhw.target;
        this->dhwSetTempTime = millis();

      } else {
@@ -343,54 +415,108 @@ protected:

      // Set DHW temp to CH2
      if (settings.opentherm.dhwToCh2) {
-        if (!this->instance->setHeatingCh2Temp(newDhwTemp)) {
-          Log.swarningln(FPSTR(L_OT_DHW), F("Failed set ch2 temp"));
+        if (!this->instance->setHeatingCh2Temp(convertedTemp)) {
+          Log.swarningln(FPSTR(L_OT_DHW), F("Failed set CH2 temp"));
        }
      }
    }


-    // Update heating temp
-    if (heatingEnabled && (needSetHeatingTemp() || fabs(vars.parameters.heatingSetpoint - currentHeatingTemp) > 0.0001)) {
-      Log.sinfoln(FPSTR(L_OT_HEATING), F("Set temp = %u"), vars.parameters.heatingSetpoint);
+    // Native heating control
+    if (settings.opentherm.nativeHeatingControl) {
+      // Set current indoor temp
+      float indoorTemp = 0.0f;
+      float convertedTemp = 0.0f;

-      // Set heating temp
-      if (this->instance->setHeatingCh1Temp(vars.parameters.heatingSetpoint)) {
-        currentHeatingTemp = vars.parameters.heatingSetpoint;
-        this->heatingSetTempTime = millis();
-
-      } else {
-        Log.swarningln(FPSTR(L_OT_HEATING), F("Failed set temp"));
+      if (!vars.states.emergency || settings.sensors.indoor.type != SensorType::MANUAL) {
+        indoorTemp = vars.temperatures.indoor;
+        convertedTemp = convertTemp(indoorTemp, settings.system.unitSystem, settings.opentherm.unitSystem);
      }

-      // Set heating temp to CH2
-      if (settings.opentherm.heatingCh1ToCh2) {
-        if (!this->instance->setHeatingCh2Temp(vars.parameters.heatingSetpoint)) {
-          Log.swarningln(FPSTR(L_OT_HEATING), F("Failed set ch2 temp"));
+      Log.sinfoln(FPSTR(L_OT_HEATING), F("Set current indoor temp: %.2f (converted: %.2f)"), indoorTemp, convertedTemp);
+      if (!this->instance->setRoomTemp(convertedTemp)) {
+        Log.swarningln(FPSTR(L_OT_HEATING), F("Failed set current indoor temp"));
+      }
+
+      // Set target indoor temp
+      if (this->needSetHeatingTemp() || fabs(vars.parameters.heatingSetpoint - currentHeatingTemp) > 0.0001f) {
+        convertedTemp = convertTemp(vars.parameters.heatingSetpoint, settings.system.unitSystem, settings.opentherm.unitSystem);
+        Log.sinfoln(FPSTR(L_OT_HEATING), F("Set target indoor temp: %.2f (converted: %.2f)"), vars.parameters.heatingSetpoint, convertedTemp);
+
+        if (this->instance->setRoomSetpoint(convertedTemp)) {
+          currentHeatingTemp = vars.parameters.heatingSetpoint;
+          this->heatingSetTempTime = millis();
+
+        } else {
+          Log.swarningln(FPSTR(L_OT_HEATING), F("Failed set target indoor temp"));
+        }
+
+        // Set target temp to CH2
+        if (settings.opentherm.heatingCh1ToCh2) {
+          if (!this->instance->setRoomSetpointCh2(convertedTemp)) {
+            Log.swarningln(FPSTR(L_OT_HEATING), F("Failed set target indoor temp to CH2"));
+          }
        }
      }
-    }

-
-    // Hysteresis
-    // Only if enabled PID or/and Equitherm
-    if (settings.heating.hysteresis > 0 && (!vars.states.emergency || settings.emergency.usePid) && (settings.equitherm.enable || settings.pid.enable)) {
-      float halfHyst = settings.heating.hysteresis / 2;
-      if (this->pump && vars.temperatures.indoor - settings.heating.target + 0.0001 >= halfHyst) {
-        this->pump = false;
-
-      } else if (!this->pump && vars.temperatures.indoor - settings.heating.target - 0.0001 <= -(halfHyst)) {
+      // force enable pump
+      if (!this->pump) {
        this->pump = true;
      }

-    } else if (!this->pump) {
-      this->pump = true;
+    } else {
+      // Update heating temp
+      if (heatingEnabled && (this->needSetHeatingTemp() || fabs(vars.parameters.heatingSetpoint - currentHeatingTemp) > 0.0001f)) {
+        float convertedTemp = convertTemp(vars.parameters.heatingSetpoint, settings.system.unitSystem, settings.opentherm.unitSystem);
+        Log.sinfoln(FPSTR(L_OT_HEATING), F("Set temp: %.2f (converted: %.2f)"), vars.parameters.heatingSetpoint, convertedTemp);
+
+        // Set max heating temp
+        if (this->setMaxHeatingTemp(convertedTemp)) {
+          currentHeatingTemp = vars.parameters.heatingSetpoint;
+          this->heatingSetTempTime = millis();
+
+        } else {
+          Log.swarningln(FPSTR(L_OT_HEATING), F("Failed set max heating temp"));
+        }
+
+        // Set heating temp
+        if (this->instance->setHeatingCh1Temp(convertedTemp)) {
+          currentHeatingTemp = vars.parameters.heatingSetpoint;
+          this->heatingSetTempTime = millis();
+
+        } else {
+          Log.swarningln(FPSTR(L_OT_HEATING), F("Failed set CH1 temp"));
+        }
+
+        // Set heating temp to CH2
+        if (settings.opentherm.heatingCh1ToCh2) {
+          if (!this->instance->setHeatingCh2Temp(convertedTemp)) {
+            Log.swarningln(FPSTR(L_OT_HEATING), F("Failed set CH2 temp"));
+          }
+        }
+      }
+
+
+      // Hysteresis
+      // Only if enabled PID or/and Equitherm
+      if (settings.heating.hysteresis > 0 && (!vars.states.emergency || settings.emergency.usePid) && (settings.equitherm.enable || settings.pid.enable)) {
+        float halfHyst = settings.heating.hysteresis / 2;
+        if (this->pump && vars.temperatures.indoor - settings.heating.target + 0.0001f >= halfHyst) {
+          this->pump = false;
+
+        } else if (!this->pump && vars.temperatures.indoor - settings.heating.target - 0.0001f <= -(halfHyst)) {
+          this->pump = true;
+        }
+
+      } else if (!this->pump) {
+        this->pump = true;
+      }
    }
  }

  void initialize() {
    // Not all boilers support these, only try once when the boiler becomes connected
-    if (updateSlaveVersion()) {
+    if (this->updateSlaveVersion()) {
      Log.straceln(FPSTR(L_OT), F("Slave version: %u, type: %u"), vars.parameters.slaveVersion, vars.parameters.slaveType);

    } else {
@@ -398,21 +524,28 @@ protected:
    }

    // 0x013F
-    if (setMasterVersion(0x3F, 0x01)) {
+    if (this->setMasterVersion(0x3F, 0x01)) {
      Log.straceln(FPSTR(L_OT), F("Master version: %u, type: %u"), vars.parameters.masterVersion, vars.parameters.masterType);
      
    } else {
      Log.swarningln(FPSTR(L_OT), F("Set master version failed"));
    }

-    if (updateSlaveConfig()) {
+    if (this->updateSlaveOtVersion()) {
+      Log.straceln(FPSTR(L_OT), F("Slave OT version: %f"), vars.parameters.slaveOtVersion);
+
+    } else {
+      Log.swarningln(FPSTR(L_OT), F("Get slave OT version failed"));
+    }
+
+    if (this->updateSlaveConfig()) {
      Log.straceln(FPSTR(L_OT), F("Slave member id: %u, flags: %u"), vars.parameters.slaveMemberId, vars.parameters.slaveFlags);

    } else {
      Log.swarningln(FPSTR(L_OT), F("Get slave config failed"));
    }

-    if (setMasterConfig(settings.opentherm.memberIdCode & 0xFF, (settings.opentherm.memberIdCode & 0xFFFF) >> 8)) {
+    if (this->setMasterConfig(settings.opentherm.memberIdCode & 0xFF, (settings.opentherm.memberIdCode & 0xFFFF) >> 8)) {
      Log.straceln(FPSTR(L_OT), F("Master member id: %u, flags: %u"), vars.parameters.masterMemberId, vars.parameters.masterFlags);
      
    } else {
@@ -507,14 +640,14 @@ protected:
    unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
      OpenThermRequestType::WRITE_DATA,
      OpenThermMessageID::MaxRelModLevelSetting,
-      this->instance->toF88(value)
+      CustomOpenTherm::toFloat(value)
    ));

    if (!CustomOpenTherm::isValidResponse(response)) {
      return false;
    }

-    vars.parameters.maxModulation = this->instance->fromF88(response);
+    vars.parameters.maxModulation = CustomOpenTherm::getFloat(response);
    return true;
  }

@@ -537,14 +670,14 @@ protected:
    unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
      OpenThermRequestType::WRITE_DATA,
      OpenThermMessageID::OpenThermVersionMaster,
-      this->instance->toF88(version)
+      CustomOpenTherm::toFloat(version)
    ));

    if (!CustomOpenTherm::isValidResponse(response)) {
      return false;
    }

-    vars.parameters.masterOtVersion = this->instance->fromF88(response);
+    vars.parameters.masterOtVersion = CustomOpenTherm::getFloat(response);

    return true;
  }
@@ -598,8 +731,8 @@ protected:
    byte maxTemp = (response & 0xFFFF) >> 8;

    if (minTemp >= 0 && maxTemp > 0 && maxTemp > minTemp) {
-      vars.parameters.dhwMinTemp = minTemp;
-      vars.parameters.dhwMaxTemp = maxTemp;
+      vars.parameters.dhwMinTemp = convertTemp(minTemp, settings.opentherm.unitSystem, settings.system.unitSystem);
+      vars.parameters.dhwMaxTemp = convertTemp(maxTemp, settings.opentherm.unitSystem, settings.system.unitSystem);

      return true;
    }
@@ -622,8 +755,8 @@ protected:
    byte maxTemp = (response & 0xFFFF) >> 8;

    if (minTemp >= 0 && maxTemp > 0 && maxTemp > minTemp) {
-      vars.parameters.heatingMinTemp = minTemp;
-      vars.parameters.heatingMaxTemp = maxTemp;
+      vars.parameters.heatingMinTemp = convertTemp(minTemp, settings.opentherm.unitSystem, settings.system.unitSystem);
+      vars.parameters.heatingMaxTemp = convertTemp(maxTemp, settings.opentherm.unitSystem, settings.system.unitSystem);
      return true;
    }

@@ -650,8 +783,38 @@ protected:
    if (!CustomOpenTherm::isValidResponse(response)) {
      return false;
    }
+    
+    vars.temperatures.outdoor = settings.sensors.outdoor.offset + convertTemp(
+      CustomOpenTherm::getFloat(response),
+      settings.opentherm.unitSystem,
+      settings.system.unitSystem
+    );
+
+    return true;
+  }
+
+  bool updateExhaustTemp() {
+    unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
+      OpenThermRequestType::READ_DATA,
+      OpenThermMessageID::Texhaust,
+      0
+    ));
+
+    if (!CustomOpenTherm::isValidResponse(response)) {
+      return false;
+    }
+
+    float value = (float) CustomOpenTherm::getInt(response);
+    if (!isValidTemp(value, settings.opentherm.unitSystem, -40, 500)) {
+      return false;
+    }
+
+    vars.temperatures.exhaust = convertTemp(
+      value,
+      settings.opentherm.unitSystem,
+      settings.system.unitSystem
+    );

-    vars.temperatures.outdoor = CustomOpenTherm::getFloat(response) + settings.sensors.outdoor.offset;
    return true;
  }

@@ -671,7 +834,32 @@ protected:
      return false;
    }

-    vars.temperatures.heating = value;
+    vars.temperatures.heating = convertTemp(
+      value,
+      settings.opentherm.unitSystem,
+      settings.system.unitSystem
+    );
+
+    return true;
+  }
+
+  bool updateHeatingReturnTemp() {
+    unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
+      OpenThermMessageType::READ_DATA,
+      OpenThermMessageID::Tret,
+      0
+    ));
+
+    if (!CustomOpenTherm::isValidResponse(response)) {
+      return false;
+    }
+
+    vars.temperatures.heatingReturn = convertTemp(
+      CustomOpenTherm::getFloat(response),
+      settings.opentherm.unitSystem,
+      settings.system.unitSystem
+    );
+
    return true;
  }

@@ -692,7 +880,12 @@ protected:
      return false;
    }

-    vars.temperatures.dhw = value;
+    vars.temperatures.dhw = convertTemp(
+      value,
+      settings.opentherm.unitSystem,
+      settings.system.unitSystem
+    );
+
    return true;
  }

@@ -706,12 +899,17 @@ protected:
    if (!CustomOpenTherm::isValidResponse(response)) {
      return false;
    }
-    
+
    float value = CustomOpenTherm::getFloat(response);
-    if (value > 16 && this->dhwFlowRateMultiplier != 10) {
+    if (this->dhwFlowRateMultiplier != 10 && value > convertVolume(16, UnitSystem::METRIC, settings.opentherm.unitSystem)) {
      this->dhwFlowRateMultiplier = 10;
    }
-    vars.sensors.dhwFlowRate = this->dhwFlowRateMultiplier == 1 ? value : value / this->dhwFlowRateMultiplier;
+
+    vars.sensors.dhwFlowRate = convertVolume(
+      value / this->dhwFlowRateMultiplier,
+      settings.opentherm.unitSystem,
+      settings.system.unitSystem
+    );
    
    return true;
  }
@@ -742,12 +940,7 @@ protected:
      return false;
    }

-    float modulation = this->instance->fromF88(response);
-    if (!vars.states.flame) {
-      vars.sensors.modulation = 0;
-    } else {
-      vars.sensors.modulation = modulation;
-    }
+    vars.sensors.modulation = CustomOpenTherm::getFloat(response);

    return true;
  }
@@ -764,10 +957,15 @@ protected:
    }

    float value = CustomOpenTherm::getFloat(response);
-    if (value > 5 && this->pressureMultiplier != 10) {
+    if (this->pressureMultiplier != 10 && value > convertPressure(5, UnitSystem::METRIC, settings.opentherm.unitSystem)) {
      this->pressureMultiplier = 10;
    }
-    vars.sensors.pressure = this->pressureMultiplier == 1 ? value : value / this->pressureMultiplier;
+
+    vars.sensors.pressure = convertPressure(
+      value / this->pressureMultiplier,
+      settings.opentherm.unitSystem,
+      settings.system.unitSystem
+    );

    return true;
  }
--- a/src/PortalTask.h
+++ b/src/PortalTask.h
@@ -14,7 +14,9 @@ using WebServer = ESP8266WebServer;
 #include <UpgradeHandler.h>
 #include <DNSServer.h>

-extern Network::Manager* network;
+using namespace NetworkUtils;
+
+extern NetworkMgr* network;
 extern FileData fsSettings, fsNetworkSettings;
 extern MqttTask* tMqtt;

@@ -53,17 +55,19 @@ protected:
  unsigned long webServerChangeState = 0;
  unsigned long dnsServerChangeState = 0;

-  const char* getTaskName() {
+  #if defined(ARDUINO_ARCH_ESP32)
+  const char* getTaskName() override {
    return "Portal";
  }

-  /*int getTaskCore() {
+  /*BaseType_t getTaskCore() override {
    return 1;
  }*/

-  int getTaskPriority() {
+  int getTaskPriority() override {
    return 1;
  }
+  #endif

  void setup() {
    this->dnsServer->setTTL(0);
@@ -73,22 +77,34 @@ protected:
    #endif

    // index page
-    /*auto indexPage = (new DynamicPage("/", &LittleFS, "/index.html"))
+    /*auto indexPage = (new DynamicPage("/", &LittleFS, "/pages/index.html"))
      ->setTemplateCallback([](const char* var) -> String {
        String result;

        if (strcmp(var, "ver") == 0) {
-          result = PROJECT_VERSION;
+          result = BUILD_VERSION;
        }

        return result;
      });
    this->webServer->addHandler(indexPage);*/
-    this->webServer->addHandler(new StaticPage("/", &LittleFS, "/index.html", PORTAL_CACHE));
+    this->webServer->addHandler(new StaticPage("/", &LittleFS, "/pages/index.html", PORTAL_CACHE));
+
+    // dashboard page
+    auto dashboardPage = (new StaticPage("/dashboard.html", &LittleFS, "/pages/dashboard.html", PORTAL_CACHE))
+      ->setBeforeSendCallback([this]() {
+        if (this->isAuthRequired() && !this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
+          this->webServer->requestAuthentication(DIGEST_AUTH);
+          return false;
+        }
+
+        return true;
+      });
+    this->webServer->addHandler(dashboardPage);

    // restart
    this->webServer->on("/restart.html", HTTP_GET, [this]() {
-      if (this->isNeedAuth()) {
+      if (this->isAuthRequired()) {
        if (!this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
          this->webServer->send(401);
          return;
@@ -101,9 +117,9 @@ protected:
    });

    // network settings page
-    auto networkPage = (new StaticPage("/network.html", &LittleFS, "/network.html", PORTAL_CACHE))
+    auto networkPage = (new StaticPage("/network.html", &LittleFS, "/pages/network.html", PORTAL_CACHE))
      ->setBeforeSendCallback([this]() {
-        if (this->isNeedAuth() && !this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
+        if (this->isAuthRequired() && !this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
          this->webServer->requestAuthentication(DIGEST_AUTH);
          return false;
        }
@@ -113,9 +129,9 @@ protected:
    this->webServer->addHandler(networkPage);

    // settings page
-    auto settingsPage = (new StaticPage("/settings.html", &LittleFS, "/settings.html", PORTAL_CACHE))
+    auto settingsPage = (new StaticPage("/settings.html", &LittleFS, "/pages/settings.html", PORTAL_CACHE))
      ->setBeforeSendCallback([this]() {
-        if (this->isNeedAuth() && !this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
+        if (this->isAuthRequired() && !this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
          this->webServer->requestAuthentication(DIGEST_AUTH);
          return false;
        }
@@ -125,9 +141,9 @@ protected:
    this->webServer->addHandler(settingsPage);

    // upgrade page
-    auto upgradePage = (new StaticPage("/upgrade.html", &LittleFS, "/upgrade.html", PORTAL_CACHE))
+    auto upgradePage = (new StaticPage("/upgrade.html", &LittleFS, "/pages/upgrade.html", PORTAL_CACHE))
      ->setBeforeSendCallback([this]() {
-        if (this->isNeedAuth() && !this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
+        if (this->isAuthRequired() && !this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
          this->webServer->requestAuthentication(DIGEST_AUTH);
          return false;
        }
@@ -138,7 +154,7 @@ protected:

    // OTA
    auto upgradeHandler = (new UpgradeHandler("/api/upgrade"))->setCanUploadCallback([this](const String& uri) {
-      if (this->isNeedAuth() && !this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
+      if (this->isAuthRequired() && !this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
        this->webServer->sendHeader("Connection", "close");
        this->webServer->send(401);
        return false;
@@ -172,7 +188,7 @@ protected:

    // backup
    this->webServer->on("/api/backup/save", HTTP_GET, [this]() {
-      if (this->isNeedAuth()) {
+      if (this->isAuthRequired()) {
        if (!this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
          return this->webServer->send(401);
        }
@@ -196,7 +212,7 @@ protected:
    });

    this->webServer->on("/api/backup/restore", HTTP_POST, [this]() {
-      if (this->isNeedAuth()) {
+      if (this->isAuthRequired()) {
        if (!this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
          return this->webServer->send(401);
        }
@@ -234,6 +250,7 @@ protected:
        fsNetworkSettings.update();
        network->setHostname(networkSettings.hostname)
          ->setStaCredentials(networkSettings.sta.ssid, networkSettings.sta.password, networkSettings.sta.channel)
+          ->setApCredentials(networkSettings.ap.ssid, networkSettings.ap.password, networkSettings.ap.channel)
          ->setUseDhcp(networkSettings.useDhcp)
          ->setStaticConfig(
            networkSettings.staticConfig.ip,
@@ -253,7 +270,7 @@ protected:

    // network
    this->webServer->on("/api/network/settings", HTTP_GET, [this]() {
-      if (this->isNeedAuth()) {
+      if (this->isAuthRequired()) {
        if (!this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
          return this->webServer->send(401);
        }
@@ -267,7 +284,7 @@ protected:
    });

    this->webServer->on("/api/network/settings", HTTP_POST, [this]() {
-      if (this->isNeedAuth()) {
+      if (this->isAuthRequired()) {
        if (!this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
          return this->webServer->send(401);
        }
@@ -298,12 +315,19 @@ protected:
      doc.clear();
      doc.shrinkToFit();

+      networkSettingsToJson(networkSettings, doc);
+      doc.shrinkToFit();
+      
+      this->bufferedWebServer->send(changed ? 201 : 200, "application/json", doc);
+
      if (changed) {
-        this->webServer->send(201);
+        doc.clear();
+        doc.shrinkToFit();

        fsNetworkSettings.update();
        network->setHostname(networkSettings.hostname)
          ->setStaCredentials(networkSettings.sta.ssid, networkSettings.sta.password, networkSettings.sta.channel)
+          ->setApCredentials(networkSettings.ap.ssid, networkSettings.ap.password, networkSettings.ap.channel)
          ->setUseDhcp(networkSettings.useDhcp)
          ->setStaticConfig(
            networkSettings.staticConfig.ip,
@@ -312,33 +336,11 @@ protected:
            networkSettings.staticConfig.dns
          )
          ->reconnect();
-
-      } else {
-        this->webServer->send(200);
      }
    });

-    this->webServer->on("/api/network/status", HTTP_GET, [this]() {
-      bool isConnected = network->isConnected();
-
-      JsonDocument doc;
-      doc["hostname"] = networkSettings.hostname;
-      doc["mac"] = network->getStaMac();
-      doc["isConnected"] = isConnected;
-      doc["ssid"] = network->getStaSsid();
-      doc["signalQuality"] = isConnected ? Network::Manager::rssiToSignalQuality(network->getRssi()) : 0;
-      doc["channel"] = isConnected ? network->getStaChannel() : 0;
-      doc["ip"] = isConnected ? network->getStaIp().toString() : "";
-      doc["subnet"] = isConnected ? network->getStaSubnet().toString() : "";
-      doc["gateway"] = isConnected ? network->getStaGateway().toString() : "";
-      doc["dns"] = isConnected ? network->getStaDns().toString() : "";
-      doc.shrinkToFit();
-
-      this->bufferedWebServer->send(200, "application/json", doc);
-    });
-
    this->webServer->on("/api/network/scan", HTTP_GET, [this]() {
-      if (this->isNeedAuth()) {
+      if (this->isAuthRequired()) {
        if (!this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
          this->webServer->send(401);
          return;
@@ -348,7 +350,11 @@ protected:
      auto apCount = WiFi.scanComplete();
      if (apCount <= 0) {
        if (apCount != WIFI_SCAN_RUNNING) {
+          #ifdef ARDUINO_ARCH_ESP8266
          WiFi.scanNetworks(true, true);
+          #else
+          WiFi.scanNetworks(true, true, true);
+          #endif
        }
        
        this->webServer->send(404);
@@ -359,10 +365,16 @@ protected:
      for (short int i = 0; i < apCount; i++) {
        String ssid = WiFi.SSID(i);
        doc[i]["ssid"] = ssid;
-        doc[i]["signalQuality"] = Network::Manager::rssiToSignalQuality(WiFi.RSSI(i));
+        doc[i]["bssid"] = WiFi.BSSIDstr(i);
+        doc[i]["signalQuality"] = NetworkMgr::rssiToSignalQuality(WiFi.RSSI(i));
        doc[i]["channel"] = WiFi.channel(i);
        doc[i]["hidden"] = !ssid.length();
-        doc[i]["encryptionType"] = WiFi.encryptionType(i);
+        #ifdef ARDUINO_ARCH_ESP8266
+        const bss_info* info = WiFi.getScanInfoByIndex(i);
+        doc[i]["auth"] = info->authmode;
+        #else
+        doc[i]["auth"] = WiFi.encryptionType(i);
+        #endif
      }
      doc.shrinkToFit();

@@ -374,7 +386,7 @@ protected:

    // settings
    this->webServer->on("/api/settings", HTTP_GET, [this]() {
-      if (this->isNeedAuth()) {
+      if (this->isAuthRequired()) {
        if (!this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
          return this->webServer->send(401);
        }
@@ -388,7 +400,7 @@ protected:
    });

    this->webServer->on("/api/settings", HTTP_POST, [this]() {
-      if (this->isNeedAuth()) {
+      if (this->isAuthRequired()) {
        if (!this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
          return this->webServer->send(401);
        }
@@ -419,12 +431,17 @@ protected:
      doc.clear();
      doc.shrinkToFit();

-      if (changed) {
-        fsSettings.update();
-        this->webServer->send(201);
+      settingsToJson(settings, doc);
+      doc.shrinkToFit();

-      } else {
-        this->webServer->send(200);
+      this->bufferedWebServer->send(changed ? 201 : 200, "application/json", doc);
+
+      if (changed) {
+        doc.clear();
+        doc.shrinkToFit();
+
+        fsSettings.update();
+        tMqtt->resetPublishedSettingsTime();
      }
    });

@@ -433,24 +450,13 @@ protected:
    this->webServer->on("/api/vars", HTTP_GET, [this]() {
      JsonDocument doc;
      varsToJson(vars, doc);
-
-      doc["system"]["version"] = PROJECT_VERSION;
-      doc["system"]["buildDate"] = __DATE__ " " __TIME__;
-      doc["system"]["uptime"] = millis() / 1000ul;
-      doc["system"]["totalHeap"] = getTotalHeap();
-      doc["system"]["freeHeap"] = getFreeHeap();
-      doc["system"]["minFreeHeap"] = getFreeHeap(true);
-      doc["system"]["maxFreeBlockHeap"] = getMaxFreeBlockHeap();
-      doc["system"]["minMaxFreeBlockHeap"] = getMaxFreeBlockHeap(true);
-      doc["system"]["resetReason"] = getResetReason();
-      doc["system"]["mqttConnected"] = tMqtt->isConnected();
      doc.shrinkToFit();

      this->bufferedWebServer->send(200, "application/json", doc);
    });

    this->webServer->on("/api/vars", HTTP_POST, [this]() {
-      if (this->isNeedAuth()) {
+      if (this->isAuthRequired()) {
        if (!this->webServer->authenticate(settings.portal.login, settings.portal.password)) {
          return this->webServer->send(401);
        }
@@ -481,14 +487,77 @@ protected:
      doc.clear();
      doc.shrinkToFit();

-      if (changed) {
-        this->webServer->send(201);
+      varsToJson(vars, doc);
+      doc.shrinkToFit();
+      
+      this->bufferedWebServer->send(changed ? 201 : 200, "application/json", doc);

-      } else {
-        this->webServer->send(200);
+      if (changed) {
+        doc.clear();
+        doc.shrinkToFit();
+        
+        tMqtt->resetPublishedVarsTime();
      }
    });

+    this->webServer->on("/api/info", HTTP_GET, [this]() {
+      bool isConnected = network->isConnected();
+
+      JsonDocument doc;
+      doc["network"]["hostname"] = networkSettings.hostname;
+      doc["network"]["mac"] = network->getStaMac();
+      doc["network"]["connected"] = isConnected;
+      doc["network"]["ssid"] = network->getStaSsid();
+      doc["network"]["signalQuality"] = isConnected ? NetworkMgr::rssiToSignalQuality(network->getRssi()) : 0;
+      doc["network"]["channel"] = isConnected ? network->getStaChannel() : 0;
+      doc["network"]["ip"] = isConnected ? network->getStaIp().toString() : "";
+      doc["network"]["subnet"] = isConnected ? network->getStaSubnet().toString() : "";
+      doc["network"]["gateway"] = isConnected ? network->getStaGateway().toString() : "";
+      doc["network"]["dns"] = isConnected ? network->getStaDns().toString() : "";
+
+      doc["system"]["buildVersion"] = BUILD_VERSION;
+      doc["system"]["buildDate"] = __DATE__ " " __TIME__;
+      doc["system"]["buildEnv"] = BUILD_ENV;
+      doc["system"]["uptime"] = millis() / 1000ul;
+      doc["system"]["totalHeap"] = getTotalHeap();
+      doc["system"]["freeHeap"] = getFreeHeap();
+      doc["system"]["minFreeHeap"] = getFreeHeap(true);
+      doc["system"]["maxFreeBlockHeap"] = getMaxFreeBlockHeap();
+      doc["system"]["minMaxFreeBlockHeap"] = getMaxFreeBlockHeap(true);
+      doc["system"]["resetReason"] = getResetReason();
+      
+      #ifdef ARDUINO_ARCH_ESP8266
+      doc["system"]["chipModel"] = esp_is_8285() ? "ESP8285" : "ESP8266";
+      doc["system"]["chipRevision"] = 0;
+      doc["system"]["chipCores"] = 1;
+      doc["system"]["cpuFreq"] = ESP.getCpuFreqMHz();
+      doc["system"]["coreVersion"] = ESP.getCoreVersion();
+      doc["system"]["flashSize"] = ESP.getFlashChipSize();
+      doc["system"]["flashRealSize"] = ESP.getFlashChipRealSize();
+      #elif ARDUINO_ARCH_ESP32
+      doc["system"]["chipModel"] = ESP.getChipModel();
+      doc["system"]["chipRevision"] = ESP.getChipRevision();
+      doc["system"]["chipCores"] = ESP.getChipCores();
+      doc["system"]["cpuFreq"] = ESP.getCpuFreqMHz();
+      doc["system"]["coreVersion"] = ESP.getSdkVersion();
+      doc["system"]["flashSize"] = ESP.getFlashChipSize();
+      doc["system"]["flashRealSize"] = doc["system"]["flashSize"];
+      #else
+      doc["system"]["chipModel"] = 0;
+      doc["system"]["chipRevision"] = 0;
+      doc["system"]["chipCores"] = 0;
+      doc["system"]["cpuFreq"] = 0;
+      doc["system"]["coreVersion"] = 0;
+      doc["system"]["flashSize"] = 0;
+      doc["system"]["flashRealSize"] = 0;
+      #endif
+
+
+      doc.shrinkToFit();
+
+      this->bufferedWebServer->send(200, "application/json", doc);
+    });
+

    // not found
    this->webServer->onNotFound([this]() {
@@ -506,7 +575,7 @@ protected:
      }
    });

-    this->webServer->serveStatic("/favicon.ico", LittleFS, "/static/favicon.ico", PORTAL_CACHE);
+    this->webServer->serveStatic("/favicon.ico", LittleFS, "/static/images/favicon.ico", PORTAL_CACHE);
    this->webServer->serveStatic("/static", LittleFS, "/static", PORTAL_CACHE);
  }

@@ -557,10 +626,14 @@ protected:
    if (this->stateWebServer()) {
      this->webServer->handleClient();
    }
+
+    if (!this->stateDnsServer() && !this->stateWebServer()) {
+      this->delay(250);
+    }
  }

-  bool isNeedAuth() {
-    return !network->isApEnabled() && settings.portal.useAuth && strlen(settings.portal.password);
+  bool isAuthRequired() {
+    return !network->isApEnabled() && settings.portal.auth && strlen(settings.portal.password);
  }

  void onCaptivePortal() {
--- a/src/RegulatorTask.h
+++ b/src/RegulatorTask.h
@@ -1,10 +1,8 @@
 #include <Equitherm.h>
 #include <GyverPID.h>
-#include <PIDtuner.h>

 Equitherm etRegulator;
 GyverPID pidRegulator(0, 0, 0);
-PIDtuner pidTuner;


 class RegulatorTask : public LeanTask {
@@ -12,27 +10,26 @@ public:
  RegulatorTask(bool _enabled = false, unsigned long _interval = 0) : LeanTask(_enabled, _interval) {}

 protected:
-  bool tunerInit = false;
-  byte tunerState = 0;
-  byte tunerRegulator = 0;
  float prevHeatingTarget = 0;
  float prevEtResult = 0;
  float prevPidResult = 0;

-  const char* getTaskName() {
+  #if defined(ARDUINO_ARCH_ESP32)
+  const char* getTaskName() override {
    return "Regulator";
  }
  
-  /*int getTaskCore() {
+  /*BaseType_t getTaskCore() override {
    return 1;
  }*/

-  int getTaskPriority() {
+  int getTaskPriority() override {
    return 4;
  }
+  #endif
  
  void loop() {
-    byte newTemp = vars.parameters.heatingSetpoint;
+    float newTemp = vars.parameters.heatingSetpoint;

    if (vars.states.emergency) {
      if (settings.heating.turbo) {
@@ -41,74 +38,60 @@ protected:
        Log.sinfoln(FPSTR(L_REGULATOR), F("Turbo mode auto disabled"));
      }

-      newTemp = getEmergencyModeTemp();
+      newTemp = this->getEmergencyModeTemp();

    } else {
-      if (vars.tuning.enable || tunerInit) {
-        if (settings.heating.turbo) {
-          settings.heating.turbo = false;
+      if (settings.heating.turbo && (fabs(settings.heating.target - vars.temperatures.indoor) < 1 || !settings.heating.enable || (settings.equitherm.enable && settings.pid.enable))) {
+        settings.heating.turbo = false;

-          Log.sinfoln(FPSTR(L_REGULATOR), F("Turbo mode auto disabled"));
-        }
-
-        newTemp = getTuningModeTemp();
-
-        if (newTemp == 0) {
-          vars.tuning.enable = false;
-        }
+        Log.sinfoln(FPSTR(L_REGULATOR), F("Turbo mode auto disabled"));
      }

-      if (!vars.tuning.enable) {
-        if (settings.heating.turbo && (fabs(settings.heating.target - vars.temperatures.indoor) < 1 || !settings.heating.enable || (settings.equitherm.enable && settings.pid.enable))) {
-          settings.heating.turbo = false;
-
-          Log.sinfoln(FPSTR(L_REGULATOR), F("Turbo mode auto disabled"));
-        }
-
-        newTemp = getNormalModeTemp();
-      }
+      newTemp = this->getNormalModeTemp();
    }

-    // Ограничиваем, если до этого не ограничило
-    if (newTemp < settings.heating.minTemp || newTemp > settings.heating.maxTemp) {
-      newTemp = constrain(newTemp, settings.heating.minTemp, settings.heating.maxTemp);
-    }
+    // Limits
+    newTemp = constrain(
+      newTemp,
+      !settings.opentherm.nativeHeatingControl ? settings.heating.minTemp : THERMOSTAT_INDOOR_MIN_TEMP,
+      !settings.opentherm.nativeHeatingControl ? settings.heating.maxTemp : THERMOSTAT_INDOOR_MAX_TEMP
+    );

-    if (abs(vars.parameters.heatingSetpoint - newTemp) + 0.0001 >= 1) {
+    if (fabs(vars.parameters.heatingSetpoint - newTemp) > 0.4999f) {
      vars.parameters.heatingSetpoint = newTemp;
    }
  }


-  byte getEmergencyModeTemp() {
+  float getEmergencyModeTemp() {
    float newTemp = 0;

    // if use equitherm
-    if (settings.emergency.useEquitherm && settings.sensors.outdoor.type != SensorType::MANUAL) {
+    if (settings.emergency.useEquitherm) {
      float etResult = getEquithermTemp(settings.heating.minTemp, settings.heating.maxTemp);

-      if (fabs(prevEtResult - etResult) + 0.0001 >= 0.5) {
+      if (fabs(prevEtResult - etResult) > 0.4999f) {
        prevEtResult = etResult;
        newTemp += etResult;

-        Log.sinfoln(FPSTR(L_REGULATOR_EQUITHERM), F("New emergency result: %hhu (%.2f)"), (uint8_t) round(etResult), etResult);
+        Log.sinfoln(FPSTR(L_REGULATOR_EQUITHERM), F("New emergency result: %.2f"), etResult);

      } else {
        newTemp += prevEtResult;
      }

-    } else if(settings.emergency.usePid && settings.sensors.indoor.type != SensorType::MANUAL) {
+    } else if(settings.emergency.usePid) {
      if (vars.parameters.heatingEnabled) {
        float pidResult = getPidTemp(
          settings.heating.minTemp,
          settings.heating.maxTemp
        );

-        if (fabs(prevPidResult - pidResult) + 0.0001 >= 0.5) {
+        if (fabs(prevPidResult - pidResult) > 0.4999f) {
          prevPidResult = pidResult;
          newTemp += pidResult;

-          Log.sinfoln(FPSTR(L_REGULATOR_PID), F("New emergency result: %hhu (%.2f)"), (uint8_t) round(pidResult), pidResult);
+          Log.sinfoln(FPSTR(L_REGULATOR_PID), F("New emergency result: %.2f"), pidResult);

        } else {
          newTemp += prevPidResult;
@@ -123,17 +106,17 @@ protected:
      newTemp = settings.emergency.target;
    }

-    return round(newTemp);
+    return newTemp;
  }

-  byte getNormalModeTemp() {
+  float getNormalModeTemp() {
    float newTemp = 0;

-    if (fabs(prevHeatingTarget - settings.heating.target) > 0.0001) {
+    if (fabs(prevHeatingTarget - settings.heating.target) > 0.0001f) {
      prevHeatingTarget = settings.heating.target;
      Log.sinfoln(FPSTR(L_REGULATOR), F("New target: %.2f"), settings.heating.target);

-      if (settings.equitherm.enable && settings.pid.enable) {
+      if (/*settings.equitherm.enable && */settings.pid.enable) {
        pidRegulator.integral = 0;
        Log.sinfoln(FPSTR(L_REGULATOR_PID), F("Integral sum has been reset"));
      }
@@ -143,11 +126,11 @@ protected:
    if (settings.equitherm.enable) {
      float etResult = getEquithermTemp(settings.heating.minTemp, settings.heating.maxTemp);

-      if (fabs(prevEtResult - etResult) + 0.0001 >= 0.5) {
+      if (fabs(prevEtResult - etResult) > 0.4999f) {
        prevEtResult = etResult;
        newTemp += etResult;

-        Log.sinfoln(FPSTR(L_REGULATOR_EQUITHERM), F("New result: %hhu (%.2f)"), (uint8_t) round(etResult), etResult);
+        Log.sinfoln(FPSTR(L_REGULATOR_EQUITHERM), F("New result: %.2f"), etResult);

      } else {
        newTemp += prevEtResult;
@@ -162,11 +145,12 @@ protected:
          settings.pid.maxTemp
        );

-        if (fabs(prevPidResult - pidResult) + 0.0001 >= 0.5) {
+        if (fabs(prevPidResult - pidResult) > 0.4999f) {
          prevPidResult = pidResult;
          newTemp += pidResult;

-          Log.sinfoln(FPSTR(L_REGULATOR_PID), F("New result: %hhd (%.2f)"), (int8_t) round(pidResult), pidResult);
+          Log.sinfoln(FPSTR(L_REGULATOR_PID), F("New result: %.2f"), pidResult);
+          Log.straceln(FPSTR(L_REGULATOR_PID), F("Integral: %.2f"), pidRegulator.integral);

        } else {
          newTemp += prevPidResult;
@@ -174,6 +158,10 @@ protected:
      } else {
        newTemp += prevPidResult;
      }
+
+    } else if (fabs(pidRegulator.integral) > 0.0001f) {
+        pidRegulator.integral = 0;
+        Log.sinfoln(FPSTR(L_REGULATOR_PID), F("Integral sum has been reset"));
    }

    // default temp, manual mode
@@ -181,108 +169,46 @@ protected:
      newTemp = settings.heating.target;
    }

-    newTemp = round(newTemp);
-    newTemp = constrain(newTemp, 0, 100);
    return newTemp;
  }

-  byte getTuningModeTemp() {
-    if (tunerInit && (!vars.tuning.enable || vars.tuning.regulator != tunerRegulator)) {
-      if (tunerRegulator == 0) {
-        pidTuner.reset();
-      }
-
-      tunerInit = false;
-      tunerRegulator = 0;
-      tunerState = 0;
-      Log.sinfoln("REGULATOR.TUNING", F("Stopped"));
-    }
-
-    if (!vars.tuning.enable) {
-      return 0;
-    }
-
-
-    if (vars.tuning.regulator == 0) {
-      // @TODO дописать
-      Log.sinfoln("REGULATOR.TUNING.EQUITHERM", F("Not implemented"));
-      return 0;
-
-    } else if (vars.tuning.regulator == 1) {
-      // PID tuner
-      float defaultTemp = settings.equitherm.enable
-        ? getEquithermTemp(settings.heating.minTemp, settings.heating.maxTemp)
-        : settings.heating.target;
-
-      if (tunerInit && pidTuner.getState() == 3) {
-        Log.sinfoln("REGULATOR.TUNING.PID", F("Finished"));
-        for (Stream* stream : Log.getStreams()) {
-          pidTuner.debugText(stream);
-        }
-
-        pidTuner.reset();
-        tunerInit = false;
-        tunerRegulator = 0;
-        tunerState = 0;
-
-        if (pidTuner.getAccuracy() < 90) {
-          Log.swarningln("REGULATOR.TUNING.PID", F("Bad result, try again..."));
-
-        } else {
-          settings.pid.p_factor = pidTuner.getPID_p();
-          settings.pid.i_factor = pidTuner.getPID_i();
-          settings.pid.d_factor = pidTuner.getPID_d();
-
-          return 0;
-        }
-      }
-
-      if (!tunerInit) {
-        Log.sinfoln("REGULATOR.TUNING.PID", F("Start..."));
-
-        float step;
-        if (vars.temperatures.indoor - vars.temperatures.outdoor > 10) {
-          step = ceil(vars.parameters.heatingSetpoint / vars.temperatures.indoor * 2);
-        } else {
-          step = 5.0f;
-        }
-
-        float startTemp = step;
-        Log.sinfoln("REGULATOR.TUNING.PID", F("Started. Start value: %f, step: %f"), startTemp, step);
-        pidTuner.setParameters(NORMAL, startTemp, step, 20 * 60 * 1000, 0.15, 60 * 1000, 10000);
-        tunerInit = true;
-        tunerRegulator = 1;
-      }
-
-      pidTuner.setInput(vars.temperatures.indoor);
-      pidTuner.compute();
-
-      if (tunerState > 0 && pidTuner.getState() != tunerState) {
-        Log.sinfoln("REGULATOR.TUNING.PID", F("Log:"));
-        for (Stream* stream : Log.getStreams()) {
-          pidTuner.debugText(stream);
-        }
-        
-        tunerState = pidTuner.getState();
-      }
-
-      return round(defaultTemp + pidTuner.getOutput());
-
-    } else {
-      return 0;
-    }
-  }
-
+  /**
+   * @brief Get the Equitherm Temp
+   * Calculations in degrees C, conversion occurs when using F
+   * 
+   * @param minTemp 
+   * @param maxTemp 
+   * @return float 
+   */
  float getEquithermTemp(int minTemp, int maxTemp) {
+    float targetTemp = vars.states.emergency ? settings.emergency.target : settings.heating.target;
+    float indoorTemp = vars.temperatures.indoor;
+    float outdoorTemp = vars.temperatures.outdoor;
+
+    if (settings.system.unitSystem == UnitSystem::IMPERIAL) {
+      minTemp = f2c(minTemp);
+      maxTemp = f2c(maxTemp);
+      targetTemp = f2c(targetTemp);
+      indoorTemp = f2c(indoorTemp);
+      outdoorTemp = f2c(outdoorTemp);
+    }
+
    if (vars.states.emergency) {
-      etRegulator.Kt = 0;
-      etRegulator.indoorTemp = 0;
-      etRegulator.outdoorTemp = vars.temperatures.outdoor;
+      if (settings.sensors.indoor.type == SensorType::MANUAL) {
+        etRegulator.Kt = 0;
+        etRegulator.indoorTemp = 0;
+
+      } else {
+        etRegulator.Kt = settings.equitherm.t_factor;
+        etRegulator.indoorTemp = indoorTemp;
+      }
+      
+      etRegulator.outdoorTemp = outdoorTemp;

    } else if (settings.pid.enable) {
      etRegulator.Kt = 0;
-      etRegulator.indoorTemp = round(vars.temperatures.indoor);
-      etRegulator.outdoorTemp = round(vars.temperatures.outdoor);
+      etRegulator.indoorTemp = round(indoorTemp);
+      etRegulator.outdoorTemp = round(outdoorTemp);

    } else {
      if (settings.heating.turbo) {
@@ -290,23 +216,41 @@ protected:
      } else {
        etRegulator.Kt = settings.equitherm.t_factor;
      }
-      etRegulator.indoorTemp = vars.temperatures.indoor;
-      etRegulator.outdoorTemp = vars.temperatures.outdoor;
+      etRegulator.indoorTemp = indoorTemp;
+      etRegulator.outdoorTemp = outdoorTemp;
    }

    etRegulator.setLimits(minTemp, maxTemp);
    etRegulator.Kn = settings.equitherm.n_factor;
-    // etRegulator.Kn = tuneEquithermN(etRegulator.Kn, vars.temperatures.indoor, settings.heating.target, 300, 1800, 0.01, 1);
    etRegulator.Kk = settings.equitherm.k_factor;
-    etRegulator.targetTemp = vars.states.emergency ? settings.emergency.target : settings.heating.target;
+    etRegulator.targetTemp = targetTemp;
+    float result = etRegulator.getResult();

-    return etRegulator.getResult();
+    if (settings.system.unitSystem == UnitSystem::IMPERIAL) {
+      result = c2f(result);
+    }
+
+    return result;
  }

  float getPidTemp(int minTemp, int maxTemp) {
-    pidRegulator.Kp = settings.pid.p_factor;
-    pidRegulator.Ki = settings.pid.i_factor;
-    pidRegulator.Kd = settings.pid.d_factor;
+    if (fabs(pidRegulator.Kp - settings.pid.p_factor) >= 0.0001f) {
+      pidRegulator.Kp = settings.pid.p_factor;
+      pidRegulator.integral = 0;
+      Log.sinfoln(FPSTR(L_REGULATOR_PID), F("Integral sum has been reset"));
+    }
+
+    if (fabs(pidRegulator.Ki - settings.pid.i_factor) >= 0.0001f) {
+      pidRegulator.Ki = settings.pid.i_factor;
+      pidRegulator.integral = 0;
+      Log.sinfoln(FPSTR(L_REGULATOR_PID), F("Integral sum has been reset"));
+    }
+
+    if (fabs(pidRegulator.Kd - settings.pid.d_factor) >= 0.0001f) {
+      pidRegulator.Kd = settings.pid.d_factor;
+      pidRegulator.integral = 0;
+      Log.sinfoln(FPSTR(L_REGULATOR_PID), F("Integral sum has been reset"));
+    }

    pidRegulator.setLimits(minTemp, maxTemp);
    pidRegulator.setDt(settings.pid.dt * 1000u);
@@ -315,32 +259,4 @@ protected:

    return pidRegulator.getResultTimer();
  }
-
-  float tuneEquithermN(float ratio, float currentTemp, float setTemp, unsigned int dirtyInterval = 60, unsigned int accurateInterval = 1800, float accurateStep = 0.01, float accurateStepAfter = 1) {
-    static uint32_t _prevIteration = millis();
-
-    if (abs(currentTemp - setTemp) < accurateStepAfter) {
-      if (millis() - _prevIteration < (accurateInterval * 1000)) {
-        return ratio;
-      }
-
-      if (currentTemp - setTemp > 0.1f) {
-        ratio -= accurateStep;
-
-      } else if (currentTemp - setTemp < -0.1f) {
-        ratio += accurateStep;
-      }
-
-    } else {
-      if (millis() - _prevIteration < (dirtyInterval * 1000)) {
-        return ratio;
-      }
-
-      ratio = ratio * (setTemp / currentTemp);
-    }
-
-    _prevIteration = millis();
-    return ratio;
-  }
-
 };
--- a/src/SensorsTask.h
+++ b/src/SensorsTask.h
@@ -32,38 +32,47 @@ protected:
  DallasTemperature* indoorSensor = nullptr;

  bool initOutdoorSensor = false;
+  unsigned long initOutdoorSensorTime = 0;
  unsigned long startOutdoorConversionTime = 0;
  float filteredOutdoorTemp = 0;
  bool emptyOutdoorTemp = true;
  
  bool initIndoorSensor = false;
+  unsigned long initIndoorSensorTime = 0;
  unsigned long startIndoorConversionTime = 0;
  float filteredIndoorTemp = 0;
  bool emptyIndoorTemp = true;

-#if USE_BLE
+  #if defined(ARDUINO_ARCH_ESP32)
+  #if USE_BLE
  BLEClient* pBleClient = nullptr;
  bool initBleSensor = false;
  bool initBleNotify = false;
-#endif
+  #endif

-  const char* getTaskName() {
+  const char* getTaskName() override {
    return "Sensors";
  }

-  /*int getTaskCore() {
-    return 1;
-  }*/
+  BaseType_t getTaskCore() override {
+    // https://github.com/h2zero/NimBLE-Arduino/issues/676
+    #if USE_BLE && defined(CONFIG_BT_NIMBLE_PINNED_TO_CORE)
+    return CONFIG_BT_NIMBLE_PINNED_TO_CORE;
+    #else
+    return tskNO_AFFINITY;
+    #endif
+  }

-  int getTaskPriority() {
+  int getTaskPriority() override {
    return 4;
  }
+  #endif

  void loop() {
    bool indoorTempUpdated = false;
    bool outdoorTempUpdated = false;

-    if (settings.sensors.outdoor.type == SensorType::DS18B20 && GPIO_IS_VALID(settings.sensors.indoor.gpio)) {
+    if (settings.sensors.outdoor.type == SensorType::DS18B20 && GPIO_IS_VALID(settings.sensors.outdoor.gpio)) {
      outdoorTemperatureSensor();
      outdoorTempUpdated = true;
    }
@@ -79,14 +88,34 @@ protected:
    }
    #endif

-    if (outdoorTempUpdated && fabs(vars.temperatures.outdoor - this->filteredOutdoorTemp) > 0.099) {
-      vars.temperatures.outdoor = this->filteredOutdoorTemp + settings.sensors.outdoor.offset;
-      Log.sinfoln(FPSTR(L_SENSORS_OUTDOOR), F("New temp: %f"), vars.temperatures.outdoor);
+    if (outdoorTempUpdated) {
+      float newTemp = settings.sensors.outdoor.offset;
+      if (settings.system.unitSystem == UnitSystem::METRIC) {
+        newTemp += this->filteredOutdoorTemp;
+
+      } else if (settings.system.unitSystem == UnitSystem::IMPERIAL) {
+        newTemp += c2f(this->filteredOutdoorTemp);
+      }
+
+      if (fabs(vars.temperatures.outdoor - newTemp) > 0.099f) {
+        vars.temperatures.outdoor = newTemp;
+        Log.sinfoln(FPSTR(L_SENSORS_OUTDOOR), F("New temp: %f"), vars.temperatures.outdoor);
+      }
    }

-    if (indoorTempUpdated && fabs(vars.temperatures.indoor - this->filteredIndoorTemp) > 0.099) {
-      vars.temperatures.indoor = this->filteredIndoorTemp + settings.sensors.indoor.offset;
-      Log.sinfoln(FPSTR(L_SENSORS_INDOOR), F("New temp: %f"), vars.temperatures.indoor);
+    if (indoorTempUpdated) {
+      float newTemp = settings.sensors.indoor.offset;
+      if (settings.system.unitSystem == UnitSystem::METRIC) {
+        newTemp += this->filteredIndoorTemp;
+
+      } else if (settings.system.unitSystem == UnitSystem::IMPERIAL) {
+        newTemp += c2f(this->filteredIndoorTemp);
+      }
+
+      if (fabs(vars.temperatures.indoor - newTemp) > 0.099f) {
+        vars.temperatures.indoor = newTemp;
+        Log.sinfoln(FPSTR(L_SENSORS_INDOOR), F("New temp: %f"), vars.temperatures.indoor);
+      }
    }
  }

@@ -111,7 +140,7 @@ protected:
    this->initBleNotify = false;

    // Connect to the remote BLE Server.
-    BLEAddress bleServerAddress(settings.sensors.indoor.bleAddresss);
+    BLEAddress bleServerAddress(settings.sensors.indoor.bleAddress);
    if (!pBleClient->connect(bleServerAddress)) {
      Log.swarningln(FPSTR(L_SENSORS_BLE), "Failed connecting to device at %s", bleServerAddress.toString().c_str());
      return;
@@ -141,7 +170,7 @@ protected:
            return;
          }

-          float rawTemp = ((pData[0] | (pData[1] << 8)) * 0.01);
+          float rawTemp = ((pData[0] | (pData[1] << 8)) * 0.01f);
          Log.straceln(FPSTR(L_SENSORS_INDOOR), F("Raw temp: %f"), rawTemp);

          if (this->emptyIndoorTemp) {
@@ -209,10 +238,16 @@ protected:

  void outdoorTemperatureSensor() {
    if (!this->initOutdoorSensor) {
-      Log.sinfoln(FPSTR(L_SENSORS_OUTDOOR), F("Starting on gpio %hhu..."), settings.sensors.outdoor.gpio);
+      if (this->initOutdoorSensorTime && millis() - this->initOutdoorSensorTime < EXT_SENSORS_INTERVAL * 10) {
+        return;
+      }
+
+      Log.sinfoln(FPSTR(L_SENSORS_OUTDOOR), F("Starting on GPIO %hhu..."), settings.sensors.outdoor.gpio);

      this->oneWireOutdoorSensor->begin(settings.sensors.outdoor.gpio);
+      this->oneWireOutdoorSensor->reset();
      this->outdoorSensor->begin();
+      this->initOutdoorSensorTime = millis();

      Log.straceln(
        FPSTR(L_SENSORS_OUTDOOR),
@@ -275,10 +310,16 @@ protected:

  void indoorTemperatureSensor() {
    if (!this->initIndoorSensor) {
-      Log.sinfoln(FPSTR(L_SENSORS_INDOOR), F("Starting on gpio %hhu..."), settings.sensors.indoor.gpio);
+      if (this->initIndoorSensorTime && millis() - this->initIndoorSensorTime < EXT_SENSORS_INTERVAL * 10) {
+        return;
+      }
+      
+      Log.sinfoln(FPSTR(L_SENSORS_INDOOR), F("Starting on GPIO %hhu..."), settings.sensors.indoor.gpio);

      this->oneWireIndoorSensor->begin(settings.sensors.indoor.gpio);
+      this->oneWireIndoorSensor->reset();
      this->indoorSensor->begin();
+      this->initIndoorSensorTime = millis();

      Log.straceln(
        FPSTR(L_SENSORS_INDOOR),
--- a/src/Settings.h
+++ b/src/Settings.h
@@ -25,19 +25,34 @@ struct NetworkSettings {
 struct Settings {
  struct {
    bool debug = DEBUG_BY_DEFAULT;
-    bool useSerial = USE_SERIAL;
-    bool useTelnet = USE_TELNET;
+
+    struct {
+      bool enable = USE_SERIAL;
+      unsigned int baudrate = 115200;
+    } serial;
+
+    struct {
+      bool enable = USE_TELNET;
+      unsigned short port = 23;
+    } telnet;
+
+    UnitSystem unitSystem = UnitSystem::METRIC;
+    byte statusLedGpio = DEFAULT_STATUS_LED_GPIO;
  } system;

  struct {
-    bool useAuth = false;
+    bool auth = false;
    char login[13] = DEFAULT_PORTAL_LOGIN;
    char password[33] = DEFAULT_PORTAL_PASSWORD;
  } portal;

  struct {
+    UnitSystem unitSystem = UnitSystem::METRIC;
    byte inGpio = DEFAULT_OT_IN_GPIO;
    byte outGpio = DEFAULT_OT_OUT_GPIO;
+    byte rxLedGpio = DEFAULT_OT_RX_LED_GPIO;
+    byte faultStateGpio = DEFAULT_OT_FAULT_STATE_GPIO;
+    byte invertFaultState = false;
    unsigned int memberIdCode = 0;
    bool dhwPresent = true;
    bool summerWinterMode = false;
@@ -46,28 +61,35 @@ struct Settings {
    bool dhwToCh2 = false;
    bool dhwBlocking = false;
    bool modulationSyncWithHeating = false;
+    bool getMinMaxTemp = true;
+    bool nativeHeatingControl = false;
  } opentherm;

  struct {
+    bool enable = false;
    char server[81] = DEFAULT_MQTT_SERVER;
    unsigned short port = DEFAULT_MQTT_PORT;
    char user[33] = DEFAULT_MQTT_USER;
    char password[33] = DEFAULT_MQTT_PASSWORD;
    char prefix[33] = DEFAULT_MQTT_PREFIX;
    unsigned short interval = 5;
+    bool homeAssistantDiscovery = true;
  } mqtt;

  struct {
    bool enable = true;
-    float target = 40.0f;
+    float target = DEFAULT_HEATING_TARGET_TEMP;
+    unsigned short tresholdTime = 120;
    bool useEquitherm = false;
    bool usePid = false;
+    bool onNetworkFault = true;
+    bool onMqttFault = true;
  } emergency;

  struct {
    bool enable = true;
    bool turbo = false;
-    float target = 40.0f;
+    float target = DEFAULT_HEATING_TARGET_TEMP;
    float hysteresis = 0.5f;
    byte minTemp = DEFAULT_HEATING_MIN_TEMP;
    byte maxTemp = DEFAULT_HEATING_MAX_TEMP;
@@ -76,16 +98,16 @@ struct Settings {

  struct {
    bool enable = true;
-    byte target = 40;
+    float target = DEFAULT_DHW_TARGET_TEMP;
    byte minTemp = DEFAULT_DHW_MIN_TEMP;
    byte maxTemp = DEFAULT_DHW_MAX_TEMP;
  } dhw;

  struct {
    bool enable = false;
-    float p_factor = 50;
-    float i_factor = 0.006f;
-    float d_factor = 10000;
+    float p_factor = 2;
+    float i_factor = 0.0055f;
+    float d_factor = 0;
    unsigned short dt = 180;
    byte minTemp = 0;
    byte maxTemp = DEFAULT_HEATING_MAX_TEMP;
@@ -108,7 +130,7 @@ struct Settings {
    struct {
      SensorType type = SensorType::MANUAL;
      byte gpio = DEFAULT_SENSOR_INDOOR_GPIO;
-      uint8_t bleAddresss[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+      uint8_t bleAddress[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
      float offset = 0.0f;
    } indoor;
  } sensors;
@@ -125,11 +147,6 @@ struct Settings {
 } settings;

 struct Variables {
-  struct {
-    bool enable = false;
-    byte regulator = 0;
-  } tuning;
-
  struct {
    bool otStatus = false;
    bool emergency = false;
@@ -139,6 +156,7 @@ struct Variables {
    bool fault = false;
    bool diagnostic = false;
    bool externalPump = false;
+    bool mqtt = false;
  } states;

  struct {
@@ -153,14 +171,16 @@ struct Variables {
    float indoor = 0.0f;
    float outdoor = 0.0f;
    float heating = 0.0f;
+    float heatingReturn = 0.0f;
    float dhw = 0.0f;
+    float exhaust = 0.0f;
  } temperatures;

  struct {
    bool heatingEnabled = false;
    byte heatingMinTemp = DEFAULT_HEATING_MIN_TEMP;
    byte heatingMaxTemp = DEFAULT_HEATING_MAX_TEMP;
-    byte heatingSetpoint = 0;
+    float heatingSetpoint = 0;
    unsigned long extPumpLastEnableTime = 0;
    byte dhwMinTemp = DEFAULT_DHW_MIN_TEMP;
    byte dhwMaxTemp = DEFAULT_DHW_MAX_TEMP;
--- a/src/defines.h
+++ b/src/defines.h
@@ -1,21 +1,34 @@
-#define PROJECT_NAME                "OpenTherm Gateway"
-#define PROJECT_VERSION             "1.4.0-rc.17"
-#define PROJECT_REPO                "https://github.com/Laxilef/OTGateway"
+#define PROJECT_NAME                    "OpenTherm Gateway"
+#define PROJECT_REPO                    "https://github.com/Laxilef/OTGateway"

-#define EMERGENCY_TIME_TRESHOLD     120000
-#define MQTT_RECONNECT_INTERVAL     15000
+#define MQTT_RECONNECT_INTERVAL         15000

-#define EXT_SENSORS_INTERVAL        5000
-#define EXT_SENSORS_FILTER_K        0.15
+#define EXT_SENSORS_INTERVAL            5000
+#define EXT_SENSORS_FILTER_K            0.15

-#define CONFIG_URL                  "http://%s/"
-#define SETTINGS_VALID_VALUE        "stvalid" // only 8 chars!
+#define CONFIG_URL                      "http://%s/"
+#define SETTINGS_VALID_VALUE            "stvalid" // only 8 chars!
+#define GPIO_IS_NOT_CONFIGURED          0xff

-#define GPIO_IS_NOT_CONFIGURED      0xff
-#define DEFAULT_HEATING_MIN_TEMP    20
-#define DEFAULT_HEATING_MAX_TEMP    90
-#define DEFAULT_DHW_MIN_TEMP        30
-#define DEFAULT_DHW_MAX_TEMP        60
+#define DEFAULT_HEATING_TARGET_TEMP     40
+#define DEFAULT_HEATING_MIN_TEMP        20
+#define DEFAULT_HEATING_MAX_TEMP        90
+
+#define DEFAULT_DHW_TARGET_TEMP         40
+#define DEFAULT_DHW_MIN_TEMP            30
+#define DEFAULT_DHW_MAX_TEMP            60
+
+#define THERMOSTAT_INDOOR_DEFAULT_TEMP  20
+#define THERMOSTAT_INDOOR_MIN_TEMP      5
+#define THERMOSTAT_INDOOR_MAX_TEMP      30
+
+#ifndef BUILD_VERSION
+  #define BUILD_VERSION                 "0.0.0"
+#endif
+
+#ifndef BUILD_ENV
+  #define BUILD_ENV                     "undefined"
+#endif

 #ifndef USE_SERIAL
  #define USE_SERIAL true
@@ -53,6 +66,10 @@
  #define DEBUG_BY_DEFAULT false
 #endif

+#ifndef DEFAULT_STATUS_LED_GPIO
+  #define DEFAULT_STATUS_LED_GPIO GPIO_IS_NOT_CONFIGURED
+#endif
+
 #ifndef DEFAULT_PORTAL_LOGIN
  #define DEFAULT_PORTAL_LOGIN ""
 #endif
@@ -89,6 +106,14 @@
  #define DEFAULT_OT_OUT_GPIO GPIO_IS_NOT_CONFIGURED
 #endif

+#ifndef DEFAULT_OT_RX_LED_GPIO
+  #define DEFAULT_OT_RX_LED_GPIO GPIO_IS_NOT_CONFIGURED
+#endif
+
+#ifndef DEFAULT_OT_FAULT_STATE_GPIO
+  #define DEFAULT_OT_FAULT_STATE_GPIO GPIO_IS_NOT_CONFIGURED
+#endif
+
 #ifndef DEFAULT_SENSOR_OUTDOOR_GPIO
  #define DEFAULT_SENSOR_OUTDOOR_GPIO GPIO_IS_NOT_CONFIGURED
 #endif
@@ -105,7 +130,9 @@
  #define PROGMEM 
 #endif

-#ifndef GPIO_IS_VALID_GPIO
+#ifdef ARDUINO_ARCH_ESP32
+  #include <driver/gpio.h>
+#elif !defined(GPIO_IS_VALID_GPIO)
  #define GPIO_IS_VALID_GPIO(gpioNum) (gpioNum >= 0 && gpioNum <= 16)
 #endif

@@ -118,4 +145,9 @@ enum class SensorType : byte {
  BLUETOOTH
 };

+enum class UnitSystem : byte {
+  METRIC,
+  IMPERIAL
+};
+
 char buffer[255];
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -4,11 +4,11 @@
 #include <ArduinoJson.h>
 #include <FileData.h>
 #include <LittleFS.h>
-#include "ESPTelnetStream.h"
+#include <ESPTelnetStream.h>
 #include <TinyLogger.h>
-#include <NetworkManager.h>
+#include <NetworkMgr.h>
 #include "Settings.h"
-#include <utils.h>
+#include "utils.h"

 #if defined(ARDUINO_ARCH_ESP32)
  #include <ESP32Scheduler.h>
@@ -27,11 +27,13 @@
 #include "PortalTask.h"
 #include "MainTask.h"

+using namespace NetworkUtils;
+
 // Vars
 FileData fsNetworkSettings(&LittleFS, "/network.conf", 'n', &networkSettings, sizeof(networkSettings), 1000);
 FileData fsSettings(&LittleFS, "/settings.conf", 's', &settings, sizeof(settings), 60000);
 ESPTelnetStream* telnetStream = nullptr;
-Network::Manager* network = nullptr;
+NetworkMgr* network = nullptr;

 // Tasks
 MqttTask* tMqtt;
@@ -109,12 +111,19 @@ void setup() {
  }

  // logs
-  if (!settings.system.useSerial) {
-    Log.clearStreams();
+  if (!settings.system.serial.enable) {
    Serial.end();
+    Log.clearStreams();
+
+  } else if (settings.system.serial.baudrate != 115200) {
+    Serial.end();
+    Log.clearStreams();
+
+    Serial.begin(settings.system.serial.baudrate);
+    Log.addStream(&Serial);
  }

-  if (settings.system.useTelnet) {
+  if (settings.system.telnet.enable) {
    telnetStream = new ESPTelnetStream;
    telnetStream->setKeepAliveInterval(500);
    Log.addStream(telnetStream);
@@ -123,7 +132,7 @@ void setup() {
  Log.setLevel(settings.system.debug ? TinyLogger::Level::VERBOSE : TinyLogger::Level::INFO);

  // network
-  network = (new Network::Manager)
+  network = (new NetworkMgr)
    ->setHostname(networkSettings.hostname)
    ->setStaCredentials(
    #ifdef WOKWI
@@ -137,6 +146,13 @@ void setup() {
      strlen(networkSettings.ap.ssid) ? networkSettings.ap.ssid : nullptr,
      strlen(networkSettings.ap.password) ? networkSettings.ap.password : nullptr,
      networkSettings.ap.channel
+    )
+    ->setUseDhcp(networkSettings.useDhcp)
+    ->setStaticConfig(
+      networkSettings.staticConfig.ip,
+      networkSettings.staticConfig.gateway,
+      networkSettings.staticConfig.subnet,
+      networkSettings.staticConfig.dns
    );

  // tasks
--- a/src/utils.h
+++ b/src/utils.h
--- a/src_data/fonts/iconly.eot
+++ b/src_data/fonts/iconly.eot
--- a/src_data/fonts/iconly.svg
+++ b/src_data/fonts/iconly.svg
@@ -0,0 +1,78 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<svg xmlns="http://www.w3.org/2000/svg">
+<defs>
+  <font id="iconly" horiz-adv-x="1024">
+    <font-face font-family="iconly"
+      units-per-em="1024" ascent="896"
+      descent="128" />
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--- a/src_data/fonts/iconly.ttf
+++ b/src_data/fonts/iconly.ttf
--- a/src_data/fonts/iconly.woff
+++ b/src_data/fonts/iconly.woff
--- a/src_data/fonts/iconly.woff2
+++ b/src_data/fonts/iconly.woff2
--- a/src_data/images/favicon.ico
+++ b/src_data/images/favicon.ico
--- a/src_data/locales/en.json
+++ b/src_data/locales/en.json
@@ -0,0 +1,331 @@
+{
+  "values": {
+    "logo": "OpenTherm Gateway",
+    "nav": {
+      "license": "License",
+      "source": "Source code",
+      "help": "Help",
+      "issues": "Issues & questions",
+      "releases": "Releases"
+    },
+
+    "button": {
+      "upgrade": "Upgrade",
+      "restart": "Restart",
+      "save": "Save",
+      "saved": "Saved",
+      "refresh": "Refresh",
+      "restore": "Restore",
+      "restored": "Restored",
+      "backup": "Backup",
+      "wait": "Please wait...",
+      "uploading": "Uploading...",
+      "success": "Success",
+      "error": "Error"
+    },
+
+    "index": {
+      "title": "OpenTherm Gateway",
+
+      "section": {
+        "network": "Network",
+        "system": "System"
+      },
+
+      "system": {
+        "build": {
+          "title": "Build",
+          "version": "Version",
+          "date": "Date",
+          "sdk": "Core/SDK"
+        },
+        "uptime": "Uptime",
+        "memory": {
+          "title": "Free memory",
+          "maxFreeBlock": "max free block",
+          "min": "min"
+        },
+        "board": "Board",
+        "chip": {
+          "model": "Chip",
+          "cores": "Cores",
+          "freq": "frequency"
+        },
+        "flash": {
+          "size": "Flash size",
+          "realSize": "real size"
+        },
+        "lastResetReason": "Last reset reason"
+      }
+    },
+
+    "dashboard": {
+      "name": "Dashboard",
+      "title": "Dashboard - OpenTherm Gateway",
+
+      "section": {
+        "control": "Control",
+        "states": "States and sensors",
+        "otDiag": "OpenTherm diagnostic"
+      },
+
+      "thermostat": {
+        "heating": "Heating",
+        "dhw": "DHW",
+        "temp.current": "Current",
+        "enable": "Enable",
+        "turbo": "Turbo mode"
+      },
+
+      "state": {
+        "ot": "OpenTherm connected",
+        "mqtt": "MQTT connected",
+        "emergency": "Emergency",
+        "heating": "Heating",
+        "dhw": "DHW",
+        "flame": "Flame",
+        "fault": "Fault",
+        "diag": "Diagnostic",
+        "extpump": "External pump",
+        "modulation": "Modulation",
+        "pressure": "Pressure",
+        "dhwFlowRate": "DHW flow rate",
+        "faultCode": "Fault code",
+        "indoorTemp": "Indoor temp",
+        "outdoorTemp": "Outdoor temp",
+        "heatingTemp": "Heating temp",
+        "heatingSetpointTemp": "Heating setpoint temp",
+        "heatingReturnTemp": "Heating return temp",
+        "dhwTemp": "DHW temp",
+        "exhaustTemp": "Exhaust temp"
+      }
+    },
+
+    "network": {
+      "title": "Network - OpenTherm Gateway",
+      "name": "Network settings",
+
+      "section": {
+        "static": "Static settings",
+        "availableNetworks": "Available networks",
+        "staSettings": "WiFi settings",
+        "apSettings": "AP settings"
+      },
+
+      "scan": {
+        "pos": "#",
+        "info": "Info"
+      },
+
+      "wifi": {
+        "ssid": "SSID",
+        "password": "Password",
+        "channel": "Channel",
+        "signal": "Signal",
+        "connected": "Connected"
+      },
+
+      "params": {
+        "hostname": "Hostname",
+        "dhcp": "Use DHCP",
+        "mac": "MAC",
+        "ip": "IP",
+        "subnet": "Subnet",
+        "gateway": "Gateway",
+        "dns": "DNS"
+      },
+
+      "sta": {
+        "channel.note": "set 0 for auto select"
+      }
+    },
+
+    "settings": {
+      "title": "Settings - OpenTherm Gateway",
+      "name": "Settings",
+
+      "section": {
+        "portal": "Portal settings",
+        "system": "System settings",
+        "diag": "Diagnostic",
+        "heating": "Heating settings",
+        "dhw": "DHW settings",
+        "emergency": "Emergency mode settings",
+        "emergency.events": "Events",
+        "emergency.regulators": "Using regulators",
+        "equitherm": "Equitherm settings",
+        "pid": "PID settings",
+        "ot": "OpenTherm settings",
+        "ot.options": "Options",
+        "mqtt": "MQTT settings",
+        "outdorSensor": "Outdoor sensor settings",
+        "indoorSensor": "Indoor sensor settings",
+        "extPump": "External pump settings"
+      },
+
+      "enable": "Enable",
+      "note": {
+        "restart": "After changing these settings, the device must be restarted for the changes to take effect.",
+        "blankNotUse": "blank - not use"
+      },
+
+      "temp": {
+        "min": "Minimum temperature",
+        "max": "Maximum temperature"
+      },
+
+      "portal": {
+        "login": "Login",
+        "password": "Password",
+        "auth": "Require authentication"
+      },
+
+      "system": {
+        "unit": "Unit system",
+        "metric": "Metric <small>(celsius, liters, bar)</small>",
+        "imperial": "Imperial <small>(fahrenheit, gallons, psi)</small>",
+        "statusLedGpio": "Status LED GPIO",
+        "debug": "Debug mode",
+        "serial": {
+          "enable": "Enable Serial port",
+          "baud": {
+            "title": "Serial port baud rate",
+            "note": "Available: 9600, 19200, 38400, 57600, 74880, 115200"
+          }
+        },
+        "telnet": {
+          "enable": "Enable Telnet",
+          "port": {
+            "title": "Telnet port",
+            "note": "Default: 23"
+          }
+        }
+      },
+
+      "heating": {
+        "hyst": "Hysteresis",
+        "maxMod": "Max modulation level"
+      },
+
+      "emergency": {
+        "desc": "<b>!</b> Emergency mode can be useful <u>only</u> when using Equitherm and/or PID (when normal work) and when reporting indoor/outdoor temperature via MQTT or API. In this mode, sensor values that are reported via MQTT/API are not used.",
+        
+        "target": {
+          "title": "Target temperature",
+          "note": "<u>Indoor temperature</u> if Equitherm or PID is <b>enabled</b><br /><u>Heat carrier temperature</u> if Equitherm and PID <b>is disabled</b>"
+        },
+        "treshold": "Treshold time <small>(sec)</small>",
+
+        "events": {
+          "network": "On network fault",
+          "mqtt": "On MQTT fault"
+        },
+
+        "regulators": {
+          "equitherm": "Equitherm <small>(requires at least an external/boiler <u>outdoor</u> sensor)</small>",
+          "pid": "PID <small>(requires at least an external/BLE <u>indoor</u> sensor)</small>"
+        }
+      },
+
+      "equitherm": {
+        "n": "N factor",
+        "k": "K factor",
+        "t": {
+          "title": "T factor",
+          "note": "Not used if PID is enabled"
+        }
+      },
+
+      "pid": {
+        "p": "P factor",
+        "i": "I factor",
+        "d": "D factor",
+        "dt": "DT <small>in seconds</small>"
+      },
+
+      "ot": {
+        "inGpio": "In GPIO",
+        "outGpio": "Out GPIO",
+        "ledGpio": "RX LED GPIO",
+        "memberIdCode": "Master MemberID code",
+
+        "options": {
+          "dhwPresent": "DHW present",
+          "summerWinterMode": "Summer/winter mode",
+          "heatingCh2Enabled": "Heating CH2 always enabled",
+          "heatingCh1ToCh2": "Duplicate heating CH1 to CH2",
+          "dhwToCh2": "Duplicate DHW to CH2",
+          "dhwBlocking": "DHW blocking",
+          "modulationSyncWithHeating": "Sync modulation with heating",
+          "getMinMaxTemp": "Get min/max temp from boiler"
+        },
+
+        "faultState": {
+          "gpio": "Fault state GPIO",
+          "note": "Can be useful to switch on another boiler <u>via relay</u>. Blank - not use.",
+          "invert": "Invert fault state"
+        },
+
+        "nativeHeating": {
+          "title": "Native heating control (boiler)",
+          "note": "Works <u>ONLY</u> if the boiler requires the desired room temperature and regulates the temperature of the coolant itself. Not compatible with PID and Equitherm regulators and hysteresis in firmware."
+        }
+      },
+
+      "mqtt": {
+        "homeAssistantDiscovery": "Home Assistant Discovery",
+        "server": "Server",
+        "port": "Port",
+        "user": "User",
+        "password": "Password",
+        "prefix": "Prefix",
+        "interval": "Publish interval <small>(sec)</small>"
+      },
+
+      "tempSensor": {
+        "source": {
+          "type": "Source type",
+          "boiler": "From boiler via OpenTherm",
+          "manual": "Manual via MQTT/API",
+          "ext": "External (DS18B20)",
+          "ble": "BLE device <i>(ONLY for some ESP32 which support BLE)</i>"
+        },
+        "gpio": "GPIO",
+        "offset": "Temp offset <small>(calibration)</small>",
+        "bleAddress": {
+          "title": "BLE address",
+          "note": "ONLY for some ESP32 which support BLE"
+        }
+      },
+
+      "extPump": {
+        "use": "Use external pump",
+        "gpio": "Relay GPIO",
+        "postCirculationTime": "Post circulation time <small>(min)</small>",
+        "antiStuckInterval": "Anti stuck interval <small>(days)</small>",
+        "antiStuckTime": "Anti stuck time <small>(min)</small>"
+      }
+    },
+
+    "upgrade": {
+      "title": "Upgrade - OpenTherm Gateway",
+      "name": "Upgrade",
+
+      "section": {
+        "backupAndRestore": "Backup & restore",
+        "backupAndRestore.desc": "In this section you can save and restore a backup of ALL settings.",
+        "upgrade": "Upgrade",
+        "upgrade.desc": "In this section you can upgrade the firmware and filesystem of your device.<br />Latest releases can be downloaded from the <a href=\"https://github.com/Laxilef/OTGateway/releases\" target=\"_blank\">Releases page</a> of the project repository." 
+      },
+
+      "note": {
+        "disclaimer1": "After a successful upgrade the filesystem, ALL settings will be reset to default values! Save backup before upgrading.",
+        "disclaimer2": "After a successful upgrade, the device will automatically reboot after 10 seconds."
+      },
+
+      "settingsFile": "Settings file",
+      "fw": "Firmware",
+      "fs": "Filesystem"
+    }
+  }
+}
--- a/src_data/locales/ru.json
+++ b/src_data/locales/ru.json
@@ -0,0 +1,331 @@
+{
+  "values": {
+    "logo": "OpenTherm Gateway",
+    "nav": {
+      "license": "Лицензия",
+      "source": "Исходный код",
+      "help": "Помощь",
+      "issues": "Проблемы и вопросы",
+      "releases": "Релизы"
+    },
+
+    "button": {
+      "upgrade": "Обновить",
+      "restart": "Перезагрузка",
+      "save": "Сохранить",
+      "saved": "Сохранено",
+      "refresh": "Обновить",
+      "restore": "Восстановить настройки",
+      "restored": "Восстановлено",
+      "backup": "Сохранить настройки",
+      "wait": "Пожалуйста, подождите...",
+      "uploading": "Загрузка...",
+      "success": "Успешно",
+      "error": "Ошибка"
+    },
+
+    "index": {
+      "title": "OpenTherm Gateway",
+
+      "section": {
+        "network": "Сеть",
+        "system": "Система"
+      },
+
+      "system": {
+        "build": {
+          "title": "Билд",
+          "version": "Версия",
+          "date": "Дата",
+          "sdk": "Ядро/SDK"
+        },
+        "uptime": "Аптайм",
+        "memory": {
+          "title": "ОЗУ",
+          "maxFreeBlock": "макс. блок",
+          "min": "мин."
+        },
+        "board": "Плата",
+        "chip": {
+          "model": "Чип",
+          "cores": "Кол-во ядер",
+          "freq": "частота"
+        },
+        "flash": {
+          "size": "Размер ПЗУ",
+          "realSize": "реальный размер"
+        },
+        "lastResetReason": "Причина перезагрузки"
+      }
+    },
+
+    "dashboard": {
+      "name": "Дашборд",
+      "title": "Дашборд - OpenTherm Gateway",
+
+      "section": {
+        "control": "Управление",
+        "states": "Состояние и сенсоры",
+        "otDiag": "Диагностика OpenTherm"
+      },
+
+      "thermostat": {
+        "heating": "Отопление",
+        "dhw": "ГВС",
+        "temp.current": "Текущая",
+        "enable": "Вкл",
+        "turbo": "Турбо"
+      },
+
+      "state": {
+        "ot": "OpenTherm подключение",
+        "mqtt": "MQTT подключение",
+        "emergency": "Аварийный режим",
+        "heating": "Отопление",
+        "dhw": "ГВС",
+        "flame": "Пламя",
+        "fault": "Ошибка",
+        "diag": "Диагностика",
+        "extpump": "Внешний насос",
+        "modulation": "Уровень модуляции",
+        "pressure": "Давление",
+        "dhwFlowRate": "Расход ГВС",
+        "faultCode": "Код ошибки",
+        "indoorTemp": "Внутренняя темп.",
+        "outdoorTemp": "Наружная темп.",
+        "heatingTemp": "Темп. отопления",
+        "heatingSetpointTemp": "Уставка темп. отопления",
+        "heatingReturnTemp": "Темп. обратки отопления",
+        "dhwTemp": "Темп. ГВС",
+        "exhaustTemp": "Темп. выхлопных газов"
+      }
+    },
+
+    "network": {
+      "title": "Сеть - OpenTherm Gateway",
+      "name": "Настройки сети",
+
+      "section": {
+        "static": "Статические параметры",
+        "availableNetworks": "Доступные сети",
+        "staSettings": "Настройки подключения",
+        "apSettings": "Настройки точки доступа"
+      },
+
+      "scan": {
+        "pos": "#",
+        "info": "Инфо"
+      },
+
+      "wifi": {
+        "ssid": "Имя сети",
+        "password": "Пароль",
+        "channel": "Канал",
+        "signal": "Сигнал",
+        "connected": "Подключено"
+      },
+
+      "params": {
+        "hostname": "Имя хоста",
+        "dhcp": "Использовать DHCP",
+        "mac": "MAC адрес",
+        "ip": "IP адрес",
+        "subnet": "Адрес подсети",
+        "gateway": "Адрес шлюза",
+        "dns": "DNS адрес"
+      },
+
+      "sta": {
+        "channel.note": "установите 0 для автоматического выбора"
+      }
+    },
+
+    "settings": {
+      "title": "Настройки - OpenTherm Gateway",
+      "name": "Настройки",
+
+      "section": {
+        "portal": "Настройки портала",
+        "system": "Системные настройки",
+        "diag": "Диагностика",
+        "heating": "Настройки отопления",
+        "dhw": "Настройки ГВС",
+        "emergency": "Настройки аварийного режима",
+        "emergency.events": "События",
+        "emergency.regulators": "Используемые регуляторы",
+        "equitherm": "Настройки ПЗА",
+        "pid": "Настройки ПИД",
+        "ot": "Настройки OpenTherm",
+        "ot.options": "Опции",
+        "mqtt": "Настройки MQTT",
+        "outdorSensor": "Настройки наружного датчика температуры",
+        "indoorSensor": "Настройки внутреннего датчика температуры",
+        "extPump": "Настройки дополнительного насоса"
+      },
+
+      "enable": "Вкл",
+      "note": {
+        "restart": "После изменения этих настроек устройство необходимо перезагрузить, чтобы изменения вступили в силу.",
+        "blankNotUse": "пусто - не использовать"
+      },
+
+      "temp": {
+        "min": "Мин. температура",
+        "max": "Макс. температура"
+      },
+
+      "portal": {
+        "login": "Логин",
+        "password": "Пароль",
+        "auth": "Требовать аутентификацию"
+      },
+
+      "system": {
+        "unit": "Система единиц",
+        "metric": "Метрическая <small>(цильсии, литры, бары)</small>",
+        "imperial": "Imperial <small>(фаренгейты, галлоны, psi)</small>",
+        "statusLedGpio": "Статус LED GPIO",
+        "debug": "Отладка",
+        "serial": {
+          "enable": "Вкл. Serial порт",
+          "baud": {
+            "title": "Скорость Serial порта",
+            "note": "Доступно: 9600, 19200, 38400, 57600, 74880, 115200"
+          }
+        },
+        "telnet": {
+          "enable": "Вкл. Telnet",
+          "port": {
+            "title": "Telnet порт",
+            "note": "По умолчанию: 23"
+          }
+        }
+      },
+
+      "heating": {
+        "hyst": "Гистерезис",
+        "maxMod": "Макс. уровень модуляции"
+      },
+
+      "emergency": {
+        "desc": "<b>!</b> Аварийный режим может быть полезен <u>только</u> при использовании ПЗА и/или ПИД и при передачи наружной/внутренней температуры через MQTT или API. В этом режиме значения датчиков, передаваемые через MQTT/API, не используются.",
+        
+        "target": {
+          "title": "Целевая температура",
+          "note": "Целевая <u>внутренняя температура</u> если ПЗА и/или ПИД <b>включены</b><br />Целевая <u>температура теплоносителя</u> если ПЗА и ПИД <b>выключены</b>"
+        },
+        "treshold": "Пороговое время включения <small>(сек)</small>",
+
+        "events": {
+          "network": "При отключении сети",
+          "mqtt": "При отключении MQTT"
+        },
+
+        "regulators": {
+          "equitherm": "ПЗА <small>(требуется внешний или подключенный к котлу датчик <u>наружной</u> температуры)</small>",
+          "pid": "ПИД <small>(требуется внешний/BLE датчик <u>внутренней</u> температуры)</small>"
+        }
+      },
+
+      "equitherm": {
+        "n": "Коэффициент N",
+        "k": "Коэффициент K",
+        "t": {
+          "title": "Коэффициент T",
+          "note": "Не используется, если ПИД включен"
+        }
+      },
+
+      "pid": {
+        "p": "Коэффициент P",
+        "i": "Коэффициент I",
+        "d": "Коэффициент D",
+        "dt": "DT <small>в секундах</small>"
+      },
+
+      "ot": {
+        "inGpio": "Вход GPIO",
+        "outGpio": "Выход GPIO",
+        "ledGpio": "RX LED GPIO",
+        "memberIdCode": "Master MemberID код",
+
+        "options": {
+          "dhwPresent": "Контур ГВС",
+          "summerWinterMode": "Летний/зимний режим",
+          "heatingCh2Enabled": "Канал 2 отопления всегда вкл.",
+          "heatingCh1ToCh2": "Дублировать параметры отопления канала 1 в канал 2",
+          "dhwToCh2": "Дублировать параметры ГВС в канал 2",
+          "dhwBlocking": "DHW blocking",
+          "modulationSyncWithHeating": "Синхронизировать модуляцию с отоплением",
+          "getMinMaxTemp": "Получать мин. и макс. температуру от котла"
+        },
+
+        "faultState": {
+          "gpio": "Fault state GPIO",
+          "note": "Can be useful to switch on another boiler <u>via relay</u>. Blank - not use.",
+          "invert": "Invert fault state"
+        },
+
+        "nativeHeating": {
+          "title": "Передать управление отоплением котлу",
+          "note": "Работает <u>ТОЛЬКО</u> если котел требует и принимает целевую температуру в помещении и сам регулирует температуру теплоносителя на основе встроенного режима кривых. Несовместимо с ПИД и ПЗА, а также с гистерезисом встроенного ПО."
+        }
+      },
+
+      "mqtt": {
+        "homeAssistantDiscovery": "Home Assistant Discovery",
+        "server": "Адрес сервера",
+        "port": "Порт",
+        "user": "Имя пользователя",
+        "password": "Пароль",
+        "prefix": "Префикс",
+        "interval": "Интервал публикации (в секундах)"
+      },
+
+      "tempSensor": {
+        "source": {
+          "type": "Источник данных",
+          "boiler": "От котла через OpenTherm",
+          "manual": "Вручную через MQTT/API",
+          "ext": "Внешний датчик (DS18B20)",
+          "ble": "BLE устройство <i>(ТОЛЬКО для некоторых плат ESP32 с поддержкой BLE)</i>"
+        },
+        "gpio": "GPIO",
+        "offset": "Смещение температуры <small>(калибровка)</small>",
+        "bleAddress": {
+          "title": "BLE адрес",
+          "note": "ТОЛЬКО для некоторых плат ESP32 с поддержкой BLE"
+        }
+      },
+
+      "extPump": {
+        "use": "Использовать доп. насос",
+        "gpio": "GPIO реле",
+        "postCirculationTime": "Время постциркуляции <small>(в минутах)</small>",
+        "antiStuckInterval": "Интервал защиты от блокировки <small>(в днях)</small>",
+        "antiStuckTime": "Время работы насоса <small>(в минутах)</small>"
+      }
+    },
+
+    "upgrade": {
+      "title": "Обновление - OpenTherm Gateway",
+      "name": "Обновление",
+
+      "section": {
+        "backupAndRestore": "Резервное копирование и восстановление",
+        "backupAndRestore.desc": "В этом разделе вы можете сохранить и восстановить резервную копию ВСЕХ настроек.",
+        "upgrade": "Обновление",
+        "upgrade.desc": "В этом разделе вы можете обновить прошивку и файловую систему вашего устройства.<br />Последнюю версию можно загрузить со страницы <a href=\"https://github.com/Laxilef/OTGateway/releases\" target=\"_blank\">Релизы</a> в репозитории проекта." 
+      },
+
+      "note": {
+        "disclaimer1": "После успешного обновления файловой системы ВСЕ настройки будут сброшены на стандартные! Создайте резервную копию ПЕРЕД обновлением.",
+        "disclaimer2": "После успешного обновления устройство автоматически перезагрузится через 10 секунд."
+      },
+
+      "settingsFile": "Файл настроек",
+      "fw": "Прошивка",
+      "fs": "Файловая система"
+    }
+  }
+}
--- a/src_data/pages/dashboard.html
+++ b/src_data/pages/dashboard.html
@@ -0,0 +1,425 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title data-i18n>dashboard.title</title>
+    <link rel="stylesheet" href="/static/app.css" />
+  </head>
+
+  <body>
+    <header class="container">
+      <nav>
+        <ul>
+          <li><a href="/">
+              <div class="logo" data-i18n>logo</div>
+            </a></li>
+        </ul>
+        <ul>
+          <!--<li><a href="https://github.com/Laxilef/OTGateway/wiki" role="button" class="secondary" target="_blank">Help</a></li>-->
+          <li>
+            <select id="lang" aria-label="Lang">
+              <option value="en" selected>EN</option>
+              <option value="ru">RU</option>
+            </select>
+          </li>
+        </ul>
+      </nav>
+    </header>
+
+    <main class="container">
+      <article>
+        <hgroup>
+          <h2 data-i18n>dashboard.name</h2>
+          <p></p>
+        </hgroup>
+
+        <div id="dashboard-busy" aria-busy="true"></div>
+        <div id="dashboard-container" class="hidden">
+          <details open>
+            <summary><b data-i18n>dashboard.section.control</b></summary>
+            <div class="grid">
+              <div class="thermostat" id="thermostat-heating">
+                <div class="thermostat-header" data-i18n>dashboard.thermostat.heating</div>
+                <div class="thermostat-temp">
+                  <div class="thermostat-temp-target"><span id="thermostat-heating-target"></span> <span class="temp-unit"></span></div>
+                  <div class="thermostat-temp-current"><span data-i18n>dashboard.thermostat.temp.current</span>: <span id="thermostat-heating-current"></span> <span class="temp-unit"></span></div>
+                </div>
+                <div class="thermostat-minus"><button id="thermostat-heating-minus" class="outline"><i class="icons-down"></i></button></div>
+                <div class="thermostat-plus"><button id="thermostat-heating-plus" class="outline"><i class="icons-up"></i></button></div>
+                <div class="thermostat-control">
+                  <input type="checkbox" role="switch" id="thermostat-heating-enabled" value="true">
+                  <label htmlFor="thermostat-heating-enabled" data-i18n>dashboard.thermostat.enable</label>
+
+                  <input type="checkbox" role="switch" id="thermostat-heating-turbo" value="true">
+                  <label htmlFor="thermostat-heating-turbo" data-i18n>dashboard.thermostat.turbo</label>
+                </div>
+              </div>
+
+              <div class="thermostat" id="thermostat-dhw">
+                <div class="thermostat-header" data-i18n>dashboard.thermostat.dhw</div>
+                <div class="thermostat-temp">
+                  <div class="thermostat-temp-target"><span id="thermostat-dhw-target"></span> <span class="temp-unit"></span></div>
+                  <div class="thermostat-temp-current"><span data-i18n>dashboard.thermostat.temp.current</span>: <span id="thermostat-dhw-current"></span> <span class="temp-unit"></span></div>
+                </div>
+                <div class="thermostat-minus"><button class="outline" id="thermostat-dhw-minus"><i class="icons-down"></i></button></div>
+                <div class="thermostat-plus"><button class="outline" id="thermostat-dhw-plus"><i class="icons-up"></i></button></div>
+                <div class="thermostat-control">
+                  <input type="checkbox" role="switch" id="thermostat-dhw-enabled" value="true">
+                  <label htmlFor="thermostat-dhw-enabled" data-i18n>dashboard.thermostat.enable</label>
+                </div>
+              </div>
+            </div>
+          </details>
+
+          <hr />
+
+          <details>
+            <summary><b data-i18n>dashboard.section.states</b></summary>
+            <table>
+              <tbody>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.ot</th>
+                  <td><input type="radio" id="ot-connected" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.mqtt</th>
+                  <td><input type="radio" id="mqtt-connected" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.emergency</th>
+                  <td><input type="radio" id="ot-emergency" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.heating</th>
+                  <td><input type="radio" id="ot-heating" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.dhw</th>
+                  <td><input type="radio" id="ot-dhw" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.flame</th>
+                  <td><input type="radio" id="ot-flame" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.fault</th>
+                  <td><input type="radio" id="ot-fault" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.diag</th>
+                  <td><input type="radio" id="ot-diagnostic" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.extpump</th>
+                  <td><input type="radio" id="ot-external-pump" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.modulation</th>
+                  <td><b id="ot-modulation"></b> %</td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.pressure</th>
+                  <td><b id="ot-pressure"></b> <span class="pressure-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.dhwFlowRate</th>
+                  <td><b id="ot-dhw-flow-rate"></b> <span class="volume-unit"></span>/min</td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.faultCode</th>
+                  <td><b id="ot-fault-code"></b></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.indoorTemp</th>
+                  <td><b id="indoor-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.outdoorTemp</th>
+                  <td><b id="outdoor-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.heatingTemp</th>
+                  <td><b id="heating-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.heatingSetpointTemp</th>
+                  <td><b id="heating-setpoint-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.heatingReturnTemp</th>
+                  <td><b id="heating-return-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.dhwTemp</th>
+                  <td><b id="dhw-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.state.exhaustTemp</th>
+                  <td><b id="exhaust-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+              </tbody>
+            </table>
+          </details>
+
+          <hr />
+
+          <details>
+            <summary><b data-i18n>dashboard.section.otDiag</b></summary>
+            <pre><b>Vendor:</b>          <span id="slave-vendor"></span>
+<b>Member ID:</b>       <span id="slave-member-id"></span>
+<b>Flags:</b>           <span id="slave-flags"></span>
+<b>Type:</b>            <span id="slave-type"></span>
+<b>Version:</b>         <span id="slave-version"></span>
+<b>OT version:</b>      <span id="slave-ot-version"></span>
+<b>Heating limits:</b>  <span id="heating-min-temp"></span>...<span id="heating-max-temp"></span> <span class="temp-unit"></span>
+<b>DHW limits:</b>      <span id="dhw-min-temp"></span>...<span id="dhw-max-temp"></span> <span class="temp-unit"></span></pre>
+          </details>
+        </div>
+      </article>
+    </main>
+
+    <footer class="container">
+      <small>
+        <b>Made by Laxilef</b>
+        • <a href="https://github.com/Laxilef/OTGateway/blob/master/LICENSE" target="_blank" class="secondary" data-i18n>nav.license</a>
+        • <a href="https://github.com/Laxilef/OTGateway/blob/master/" target="_blank" class="secondary" data-i18n>nav.source</a>
+        • <a href="https://github.com/Laxilef/OTGateway/wiki" target="_blank" class="secondary" data-i18n>nav.help</a>
+        • <a href="https://github.com/Laxilef/OTGateway/issues" target="_blank" class="secondary" data-i18n>nav.issues</a>
+        • <a href="https://github.com/Laxilef/OTGateway/releases" target="_blank" class="secondary" data-i18n>nav.releases</a>
+      </small>
+    </footer>
+
+    <script src="/static/app.js"></script>
+    <script>
+      let modifiedTime = null;
+      let noRegulators;
+      let prevSettings;
+      let newSettings = {
+        heating: {
+          enable: false,
+          turbo: false,
+          target: 0
+        },
+        dhw: {
+          enable: false,
+          target: 0
+        }
+      };
+
+      document.addEventListener('DOMContentLoaded', async () => {
+        const lang = new Lang(document.getElementById('lang'));
+        lang.build();
+
+        document.querySelector('#thermostat-heating-minus').addEventListener('click', (event) => {
+          if (!prevSettings) {
+            return;
+          }
+
+          newSettings.heating.target -= 0.5;
+          modifiedTime = Date.now();
+
+          let minTemp;
+          if (noRegulators) {
+            minTemp = prevSettings.heating.minTemp;
+          } else {
+            minTemp = prevSettings.system.unitSystem == 0 ? 5 : 41;
+          }
+
+          if (prevSettings && newSettings.heating.target < minTemp) {
+            newSettings.heating.target = minTemp;
+          }
+
+          setValue('#thermostat-heating-target', newSettings.heating.target);
+        });
+
+        document.querySelector('#thermostat-heating-plus').addEventListener('click', (event) => {
+          if (!prevSettings) {
+            return;
+          }
+
+          newSettings.heating.target += 0.5;
+          modifiedTime = Date.now();
+
+          let maxTemp;
+          if (noRegulators) {
+            maxTemp = prevSettings.heating.maxTemp;
+          } else {
+            maxTemp = prevSettings.system.unitSystem == 0 ? 30 : 86;
+          }
+
+          if (prevSettings && newSettings.heating.target > maxTemp) {
+            newSettings.heating.target = maxTemp;
+          }
+
+          setValue('#thermostat-heating-target', newSettings.heating.target);
+        });
+
+        document.querySelector('#thermostat-dhw-minus').addEventListener('click', (event) => {
+          if (!prevSettings) {
+            return;
+          }
+
+          newSettings.dhw.target -= 1.0;
+          modifiedTime = Date.now();
+
+          if (newSettings.dhw.target < prevSettings.dhw.minTemp) {
+            newSettings.dhw.target = prevSettings.dhw.minTemp;
+          }
+
+          setValue('#thermostat-dhw-target', newSettings.dhw.target);
+        });
+
+        document.querySelector('#thermostat-dhw-plus').addEventListener('click', (event) => {
+          if (!prevSettings) {
+            return;
+          }
+
+          newSettings.dhw.target += 1.0;
+          modifiedTime = Date.now();
+
+          if (newSettings.dhw.target > prevSettings.dhw.maxTemp) {
+            newSettings.dhw.target = prevSettings.dhw.maxTemp;
+          }
+
+          setValue('#thermostat-dhw-target', newSettings.dhw.target);
+        });
+
+        document.querySelector('#thermostat-heating-enabled').addEventListener('change', (event) => {
+          modifiedTime = Date.now();
+          newSettings.heating.enable = event.currentTarget.checked;
+        });
+
+        document.querySelector('#thermostat-heating-turbo').addEventListener('change', (event) => {
+          modifiedTime = Date.now();
+          newSettings.heating.turbo = event.currentTarget.checked;
+        });
+
+        document.querySelector('#thermostat-dhw-enabled').addEventListener('change', (event) => {
+          modifiedTime = Date.now();
+          newSettings.dhw.enable = event.currentTarget.checked;
+        });
+
+        setTimeout(async function onLoadPage() {
+          if (modifiedTime) {
+            if ((Date.now() - modifiedTime) < 5000) {
+              setTimeout(onLoadPage, 1000);
+              return;
+            }
+
+            modifiedTime = null;
+          }
+
+          // settings
+          try {
+            let modified = prevSettings && (
+              (prevSettings.heating.enable != newSettings.heating.enable)
+              || (prevSettings.heating.turbo != newSettings.heating.turbo)
+              || (prevSettings.heating.target != newSettings.heating.target)
+              || (prevSettings.opentherm.dhwPresent && prevSettings.dhw.enable != newSettings.dhw.enable)
+              || (prevSettings.opentherm.dhwPresent && prevSettings.dhw.target != newSettings.dhw.target)
+            );
+
+            if (modified) {
+              console.log(newSettings);
+            }
+
+            let parameters = { cache: 'no-cache' };
+            if (modified) {
+              parameters.method = "POST";
+              parameters.body = JSON.stringify(newSettings);
+            }
+
+            const response = await fetch('/api/settings', parameters);
+            if (!response.ok) {
+              throw new Error('Response not valid');
+            }
+
+            const result = await response.json();
+            noRegulators = !result.opentherm.nativeHeatingControl && !result.equitherm.enable && !result.pid.enable;
+            prevSettings = result;
+            newSettings.heating.enable = result.heating.enable;
+            newSettings.heating.turbo = result.heating.turbo;
+            newSettings.heating.target = result.heating.target;
+            newSettings.dhw.enable = result.dhw.enable;
+            newSettings.dhw.target = result.dhw.target;
+
+            if (result.opentherm.dhwPresent) {
+              show('#thermostat-dhw');
+            } else {
+              hide('#thermostat-dhw');
+            }
+
+            setCheckboxValue('#thermostat-heating-enabled', result.heating.enable);
+            setCheckboxValue('#thermostat-heating-turbo', result.heating.turbo);
+            setValue('#thermostat-heating-target', result.heating.target);
+
+            setCheckboxValue('#thermostat-dhw-enabled', result.dhw.enable);
+            setValue('#thermostat-dhw-target', result.dhw.target);
+
+            setValue('.temp-unit', temperatureUnit(result.system.unitSystem));
+            setValue('.pressure-unit', pressureUnit(result.system.unitSystem));
+            setValue('.volume-unit', volumeUnit(result.system.unitSystem));
+
+          } catch (error) {
+            console.log(error);
+          }
+
+          // vars
+          try {
+            const response = await fetch('/api/vars', { cache: 'no-cache' });
+            if (!response.ok) {
+              throw new Error('Response not valid');
+            }
+
+            const result = await response.json();
+            setValue('#thermostat-heating-current', noRegulators ? result.temperatures.heating : result.temperatures.indoor);
+            setValue('#thermostat-dhw-current', result.temperatures.dhw);
+
+            setState('#ot-connected', result.states.otStatus);
+            setState('#ot-emergency', result.states.emergency);
+            setState('#ot-heating', result.states.heating);
+            setState('#ot-dhw', result.states.dhw);
+            setState('#ot-flame', result.states.flame);
+            setState('#ot-fault', result.states.fault);
+            setState('#ot-diagnostic', result.states.diagnostic);
+            setState('#ot-external-pump', result.states.externalPump);
+            setState('#mqtt-connected', result.states.mqtt);
+
+            setValue('#ot-modulation', result.sensors.modulation);
+            setValue('#ot-pressure', result.sensors.pressure);
+            setValue('#ot-dhw-flow-rate', result.sensors.dhwFlowRate);
+            setValue('#ot-fault-code', result.sensors.faultCode ? ("E" + result.sensors.faultCode) : "-");
+
+            setValue('#indoor-temp', result.temperatures.indoor);
+            setValue('#outdoor-temp', result.temperatures.outdoor);
+            setValue('#heating-temp', result.temperatures.heating);
+            setValue('#heating-return-temp', result.temperatures.heatingReturn);
+            setValue('#dhw-temp', result.temperatures.dhw);
+            setValue('#exhaust-temp', result.temperatures.exhaust);
+
+            setValue('#heating-min-temp', result.parameters.heatingMinTemp);
+            setValue('#heating-max-temp', result.parameters.heatingMaxTemp);
+            setValue('#heating-setpoint-temp', result.parameters.heatingSetpoint);
+            setValue('#dhw-min-temp', result.parameters.dhwMinTemp);
+            setValue('#dhw-max-temp', result.parameters.dhwMaxTemp);
+
+            setValue('#slave-member-id', result.parameters.slaveMemberId);
+            setValue('#slave-vendor', memberIdToVendor(result.parameters.slaveMemberId));
+
+            setValue('#slave-flags', result.parameters.slaveFlags);
+            setValue('#slave-type', result.parameters.slaveType);
+            setValue('#slave-version', result.parameters.slaveVersion);
+            setValue('#slave-ot-version', result.parameters.slaveOtVersion);
+            setBusy('#dashboard-busy', '#dashboard-container', false);
+
+          } catch (error) {
+            console.log(error);
+          }
+
+          setTimeout(onLoadPage, 10000);
+        }, 1000);
+      });
+    </script>
+  </body>
+</html>
--- a/src_data/pages/index.html
+++ b/src_data/pages/index.html
@@ -0,0 +1,218 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title data-i18n>index.title</title>
+    <link rel="stylesheet" href="/static/app.css" />
+  </head>
+
+  <body>
+    <header class="container">
+      <nav>
+        <ul>
+          <li><a href="/">
+              <div class="logo" data-i18n>logo</div>
+            </a></li>
+        </ul>
+        <ul>
+          <!--<li><a href="https://github.com/Laxilef/OTGateway/wiki" role="button" class="secondary" target="_blank">Help</a></li>-->
+          <li>
+            <select id="lang" aria-label="Lang">
+              <option value="en" selected>EN</option>
+              <option value="ru">RU</option>
+            </select>
+          </li>
+        </ul>
+      </nav>
+    </header>
+
+    <main class="container">
+      <article>
+        <div>
+          <hgroup>
+            <h2 data-i18n>index.section.network</h2>
+            <p></p>
+          </hgroup>
+
+          <div id="main-busy" aria-busy="true"></div>
+          <table id="main-table" class="hidden">
+            <tbody>
+              <tr>
+                <th scope="row" data-i18n>network.params.hostname</th>
+                <td><b id="network-hostname"></b></td>
+              </tr>
+              <tr>
+                <th scope="row" data-i18n>network.params.mac</th>
+                <td><b id="network-mac"></b></td>
+              </tr>
+              <tr>
+                <th scope="row" data-i18n>network.wifi.connected</th>
+                <td><input type="radio" id="network-connected" aria-invalid="false" checked disabled /></td>
+              </tr>
+              <tr>
+                <th scope="row" data-i18n>network.wifi.ssid</th>
+                <td><b id="network-ssid"></b></td>
+              </tr>
+              <tr>
+                <th scope="row" data-i18n>network.wifi.signal</th>
+                <td><b id="network-signal"></b> %</td>
+              </tr>
+              <tr>
+                <th scope="row" data-i18n>network.params.ip</th>
+                <td><b id="network-ip"></b></td>
+              </tr>
+              <tr>
+                <th scope="row" data-i18n>network.params.subnet</th>
+                <td><b id="network-subnet"></b></td>
+              </tr>
+              <tr>
+                <th scope="row" data-i18n>network.params.gateway</th>
+                <td><b id="network-gateway"></b></td>
+              </tr>
+              <tr>
+                <th scope="row" data-i18n>network.params.dns</th>
+                <td><b id="network-dns"></b></td>
+              </tr>
+            </tbody>
+          </table>
+          <div class="grid">
+            <a href="/network.html" role="button" data-i18n>network.name</a>
+          </div>
+        </div>
+      </article>
+
+      <article>
+        <div>
+          <hgroup>
+            <h2 data-i18n>index.section.system</h2>
+            <p></p>
+          </hgroup>
+
+          <div id="system-busy" aria-busy="true"></div>
+          <table id="system-table" class="hidden">
+            <tbody>
+              <tr>
+                <th scope="row" data-i18n>index.system.build.version</th>
+                <td><b id="build-version"></b></td>
+              </tr>
+              <tr>
+                <th scope="row" data-i18n>index.system.build.title</th>
+                <td>
+                  Env: <b id="build-env"></b><br />
+                  <span data-i18n>index.system.build.date</span>: <b id="build-date"></b><br />
+                  <span data-i18n>index.system.build.sdk</span>: <b id="core-version"></b>
+                </td>
+              </tr>
+              <tr>
+                <th scope="row" data-i18n>index.system.uptime</th>
+                <td>
+                  <b id="uptime-days"></b> days, 
+                  <b id="uptime-hours"></b> hours, 
+                  <b id="uptime-min"></b> min., 
+                  <b id="uptime-sec"></b> sec.
+                </td>
+              </tr>
+              <tr>
+                <th scope="row" data-i18n>index.system.memory.title</th>
+                <td>
+                  <b id="free-heap"></b> of <b id="total-heap"></b> bytes (<span data-i18n>index.system.memory.min</span>: <b id="min-free-heap"></b> bytes)<br />
+                  <span data-i18n>index.system.memory.maxFreeBlock</span>: <b id="max-free-block-heap"></b> bytes (<span data-i18n>index.system.memory.min</span>: <b id="min-max-free-block-heap"></b> bytes)
+                </td>
+              </tr>
+              <tr>
+                <th scope="row" data-i18n>index.system.board</th>
+                <td>
+                  <span data-i18n>index.system.chip.model</span>: <b id="chip-model"></b> (rev. <span id="chip-revision"></span>)<br />
+                  <span data-i18n>index.system.chip.cores</span>: <b id="chip-cores"></b>, <span data-i18n>index.system.chip.freq</span>: <b id="cpu-freq"></b> mHz<br />
+                  <span data-i18n>index.system.flash.size</span>: <b id="flash-size"></b> MB (<span data-i18n>index.system.flash.realSize</span>: <b id="flash-real-size"></b> MB)
+                </td>
+              </tr>
+              <tr>
+                <th scope="row" data-i18n>index.system.lastResetReason</th>
+                <td><b id="reset-reason"></b></td>
+              </tr>
+            </tbody>
+          </table>
+
+          <div class="grid">
+            <a href="/dashboard.html" role="button" data-i18n>dashboard.name</a>
+            <a href="/settings.html" role="button" data-i18n>settings.name</a>
+            <a href="/upgrade.html" role="button" data-i18n>upgrade.name</a>
+            <a href="/restart.html" role="button" class="secondary restart" data-i18n>button.restart</a>
+          </div>
+        </div>
+      </article>
+    </main>
+
+    <footer class="container">
+      <small>
+        <b>Made by Laxilef</b>
+        • <a href="https://github.com/Laxilef/OTGateway/blob/master/LICENSE" target="_blank" class="secondary" data-i18n>nav.license</a>
+        • <a href="https://github.com/Laxilef/OTGateway/blob/master/" target="_blank" class="secondary" data-i18n>nav.source</a>
+        • <a href="https://github.com/Laxilef/OTGateway/wiki" target="_blank" class="secondary" data-i18n>nav.help</a>
+        • <a href="https://github.com/Laxilef/OTGateway/issues" target="_blank" class="secondary" data-i18n>nav.issues</a>
+        • <a href="https://github.com/Laxilef/OTGateway/releases" target="_blank" class="secondary" data-i18n>nav.releases</a>
+      </small>
+    </footer>
+
+    <script src="/static/app.js"></script>
+    <script>
+      document.addEventListener('DOMContentLoaded', async () => {
+        const lang = new Lang(document.getElementById('lang'));
+        lang.build();
+
+        setTimeout(async function onLoadPage() {
+          try {
+            const response = await fetch('/api/info', { cache: 'no-cache' });
+            if (!response.ok) {
+              throw new Error('Response not valid');
+            }
+
+            const result = await response.json();
+            setValue('#network-hostname', result.network.hostname);
+            setValue('#network-mac', result.network.mac);
+            setState('#network-connected', result.network.connected);
+            setValue('#network-ssid', result.network.ssid);
+            setValue('#network-signal', result.network.signalQuality);
+            setValue('#network-ip', result.network.ip);
+            setValue('#network-subnet', result.network.subnet);
+            setValue('#network-gateway', result.network.gateway);
+            setValue('#network-dns', result.network.dns);
+            setBusy('#main-busy', '#main-table', false);
+
+            setValue('#build-version', result.system.buildVersion);
+            setValue('#build-date', result.system.buildDate);
+            setValue('#build-env', result.system.buildEnv);
+            setValue('#uptime', result.system.uptime);
+            setValue('#uptime-days', Math.floor(result.system.uptime / 86400));
+            setValue('#uptime-hours', Math.floor(result.system.uptime % 86400 / 3600));
+            setValue('#uptime-min', Math.floor(result.system.uptime % 3600 / 60));
+            setValue('#uptime-sec', Math.floor(result.system.uptime % 60));
+            setValue('#total-heap', result.system.totalHeap);
+            setValue('#free-heap', result.system.freeHeap);
+            setValue('#min-free-heap', result.system.minFreeHeap);
+            setValue('#max-free-block-heap', result.system.maxFreeBlockHeap);
+            setValue('#min-max-free-block-heap', result.system.minMaxFreeBlockHeap);
+            setValue('#reset-reason', result.system.resetReason);
+
+            setValue('#chip-model', result.system.chipModel);
+            setValue('#chip-revision', result.system.chipRevision);
+            setValue('#chip-cores', result.system.chipCores);
+            setValue('#cpu-freq', result.system.cpuFreq);
+            setValue('#core-version', result.system.coreVersion);
+            setValue('#flash-size', result.system.flashSize / 1024 / 1024);
+            setValue('#flash-real-size', result.system.flashRealSize / 1024 / 1024);
+
+            setBusy('#system-busy', '#system-table', false);
+
+          } catch (error) {
+            console.log(error);
+          }
+
+          setTimeout(onLoadPage, 10000);
+        }, 1000);
+      });
+    </script>
+  </body>
+</html>
--- a/src_data/pages/network.html
+++ b/src_data/pages/network.html
@@ -0,0 +1,220 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title data-i18n>network.title</title>
+    <link rel="stylesheet" href="/static/app.css" />
+  </head>
+
+  <body>
+    <header class="container">
+      <nav>
+        <ul>
+          <li><a href="/">
+              <div class="logo" data-i18n>logo</div>
+            </a></li>
+        </ul>
+        <ul>
+          <!--<li><a href="https://github.com/Laxilef/OTGateway/wiki" role="button" class="secondary" target="_blank">Help</a></li>-->
+          <li>
+            <select id="lang" aria-label="Lang">
+              <option value="en" selected>EN</option>
+              <option value="ru">RU</option>
+            </select>
+          </li>
+        </ul>
+      </nav>
+    </header>
+
+    <main class="container">
+      <article>
+        <div>
+          <hgroup>
+            <h2 data-i18n>network.name</h2>
+            <p></p>
+          </hgroup>
+
+          <div id="network-settings-busy" aria-busy="true"></div>
+          <form action="/api/network/settings" id="network-settings" class="hidden">
+            <label for="network-hostname">
+              <span data-i18n>network.params.hostname</span>
+              <input type="text" id="network-hostname" name="hostname" maxlength="24" pattern="[A-Za-z0-9]+[A-Za-z0-9\-]+[A-Za-z0-9]+" required>
+            </label>
+
+            <label for="network-use-dhcp">
+              <input type="checkbox" id="network-use-dhcp" name="useDhcp" value="true">
+              <span data-i18n>network.params.dhcp</span>
+            </label>
+            <br />
+            <hr />
+            <h4 data-i18n>network.section.static</h4>
+
+            <label for="network-static-ip">
+              <span data-i18n>network.params.ip</span>
+              <input type="text" id="network-static-ip" name="staticConfig[ip]" value="true" maxlength="16" pattern="\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}" required>
+            </label>
+
+            <label for="network-static-gateway">
+              <span data-i18n>network.params.gateway</span>
+              <input type="text" id="network-static-gateway" name="staticConfig[gateway]" maxlength="16" pattern="\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}" required>
+            </label>
+
+            <label for="network-static-subnet">
+              <span data-i18n>network.params.subnet</span>
+              <input type="text" id="network-static-subnet" name="staticConfig[subnet]" maxlength="16" pattern="\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}" required>
+            </label>
+
+            <label for="network-static-dns">
+              <span data-i18n>network.params.dns</span>
+              <input type="text" id="network-static-dns" name="staticConfig[dns]" maxlength="16" pattern="\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}" required>
+            </label>
+
+            <button type="submit" data-i18n>button.save</button>
+          </form>
+        </div>
+      </article>
+
+      <article>
+        <div>
+          <hgroup>
+            <h3 data-i18n>network.section.availableNetworks</h3>
+            <p></p>
+          </hgroup>
+
+          <form action="/api/network/scan" id="network-scan">
+            <div style="max-height: 25rem;" class="overflow-auto">
+              <table id="networks" role="grid">
+                <thead>
+                  <tr>
+                    <th scope="col" data-i18n>network.scan.pos</th>
+                    <th scope="col" data-i18n>network.wifi.ssid</th>
+                    <th scope="col" data-i18n>network.scan.info</th>
+                  </tr>
+                </thead>
+                <tbody></tbody>
+              </table>
+            </div>
+
+            <button type="submit" data-i18n>button.refresh</button>
+          </form>
+
+          <hr />
+          <div>
+            <hgroup>
+              <h2 data-i18n>network.section.staSettings</h2>
+              <p></p>
+            </hgroup>
+
+            <div id="sta-settings-busy" aria-busy="true"></div>
+            <form action="/api/network/settings" id="sta-settings" class="hidden">
+              <label for="sta-ssid">
+                <span data-i18n>network.wifi.ssid</span>
+                <input type="text" id="sta-ssid" name="sta[ssid]" maxlength="32" required>
+              </label>
+
+              <label for="sta-password">
+                <span data-i18n>network.wifi.password</span>
+                <input type="password" id="sta-password" name="sta[password]" maxlength="64" required>
+              </label>
+
+              <label for="sta-channel">
+                <span data-i18n>network.wifi.channel</span>
+                <input type="number" inputmode="numeric" id="sta-channel" name="sta[channel]" min="0" max="12" step="1" required>
+                <small data-i18n>network.sta.channel.note</small>
+              </label>
+
+              <button type="submit" data-i18n>button.save</button>
+            </form>
+          </div>
+        </div>
+      </article>
+
+      <article>
+        <div>
+          <hgroup>
+            <h2 data-i18n>network.section.apSettings</h2>
+            <p></p>
+          </hgroup>
+
+          <div id="ap-settings-busy" aria-busy="true"></div>
+          <form action="/api/network/settings" id="ap-settings" class="hidden">
+            <label for="ap-ssid">
+              <span data-i18n>network.wifi.ssid</span>
+              <input type="text" id="ap-ssid" name="ap[ssid]" maxlength="32" required>
+            </label>
+
+            <label for="ap-password">
+              <span data-i18n>network.wifi.password</span>
+              <input type="text" id="ap-password" name="ap[password]" maxlength="64" required>
+            </label>
+
+            <label for="ap-channel">
+              <span data-i18n>network.wifi.channel</span>
+              <input type="number" inputmode="numeric" id="ap-channel" name="ap[channel]" min="1" max="12" step="1" required>
+            </label>
+
+            <button type="submit" data-i18n>button.save</button>
+          </form>
+        </div>
+      </article>
+    </main>
+
+    <footer class="container">
+      <small>
+        <b>Made by Laxilef</b>
+        • <a href="https://github.com/Laxilef/OTGateway/blob/master/LICENSE" target="_blank" class="secondary" data-i18n>nav.license</a>
+        • <a href="https://github.com/Laxilef/OTGateway/blob/master/" target="_blank" class="secondary" data-i18n>nav.source</a>
+        • <a href="https://github.com/Laxilef/OTGateway/wiki" target="_blank" class="secondary" data-i18n>nav.help</a>
+        • <a href="https://github.com/Laxilef/OTGateway/issues" target="_blank" class="secondary" data-i18n>nav.issues</a>
+        • <a href="https://github.com/Laxilef/OTGateway/releases" target="_blank" class="secondary" data-i18n>nav.releases</a>
+      </small>
+    </footer>
+
+    <script src="/static/app.js"></script>
+    <script>
+      document.addEventListener('DOMContentLoaded', async () => {
+        const lang = new Lang(document.getElementById('lang'));
+        lang.build();
+
+        const fillData = (data) => {
+          setInputValue('#network-hostname', data.hostname);
+          setCheckboxValue('#network-use-dhcp', data.useDhcp);
+          setInputValue('#network-static-ip', data.staticConfig.ip);
+          setInputValue('#network-static-gateway', data.staticConfig.gateway);
+          setInputValue('#network-static-subnet', data.staticConfig.subnet);
+          setInputValue('#network-static-dns', data.staticConfig.dns);
+          setBusy('#network-settings-busy', '#network-settings', false);
+
+          setInputValue('#sta-ssid', data.sta.ssid);
+          setInputValue('#sta-password', data.sta.password);
+          setInputValue('#sta-channel', data.sta.channel);
+          setBusy('#sta-settings-busy', '#sta-settings', false);
+
+          setInputValue('#ap-ssid', data.ap.ssid);
+          setInputValue('#ap-password', data.ap.password);
+          setInputValue('#ap-channel', data.ap.channel);
+          setBusy('#ap-settings-busy', '#ap-settings', false);
+        };
+
+        try {
+          const response = await fetch('/api/network/settings', { cache: 'no-cache' });
+          if (!response.ok) {
+            throw new Error('Response not valid');
+          }
+
+          const result = await response.json();
+          fillData(result);
+
+          setupForm('#network-settings', fillData, ['hostname']);
+          setupNetworkScanForm('#network-scan', '#networks');
+          setupForm('#sta-settings', fillData, ['sta.ssid', 'sta.password']);
+          setupForm('#ap-settings', fillData, ['ap.ssid', 'ap.password']);
+
+        } catch (error) {
+          console.log(error);
+        }
+      });
+    </script>
+  </body>
+</html>
--- a/src_data/pages/settings.html
+++ b/src_data/pages/settings.html
@@ -0,0 +1,833 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title data-i18n>settings.title</title>
+    <link rel="stylesheet" href="/static/app.css" />
+  </head>
+
+  <body>
+    <header class="container">
+      <nav>
+        <ul>
+          <li><a href="/">
+              <div class="logo" data-i18n>logo</div>
+            </a></li>
+        </ul>
+        <ul>
+          <!--<li><a href="https://github.com/Laxilef/OTGateway/wiki" role="button" class="secondary" target="_blank">Help</a></li>-->
+          <li>
+            <select id="lang" aria-label="Lang">
+              <option value="en" selected>EN</option>
+              <option value="ru">RU</option>
+            </select>
+          </li>
+        </ul>
+      </nav>
+    </header>
+
+    <main class="container">
+      <article>
+        <hgroup>
+          <h2 data-i18n>settings.name</h2>
+          <p></p>
+        </hgroup>
+
+        <details>
+          <summary><b data-i18n>settings.section.portal</b></summary>
+          <div>
+            <div id="portal-settings-busy" aria-busy="true"></div>
+            <form action="/api/settings" id="portal-settings" class="hidden">
+              <div class="grid">
+                <label for="portal-login">
+                  <span data-i18n>settings.portal.login</span>
+                  <input type="text" id="portal-login" name="portal[login]" maxlength="12" required>
+                </label>
+
+                <label for="portal-password">
+                  <span data-i18n>settings.portal.password</span>
+                  <input type="password" id="portal-password" name="portal[password]" maxlength="32" required>
+                </label>
+              </div>
+
+              <label for="portal-auth">
+                <input type="checkbox" id="portal-auth" name="portal[auth]" value="true">
+                <span data-i18n>settings.portal.auth</span>
+              </label>
+              <br />
+
+              <button type="submit" data-i18n>button.save</button>
+            </form>
+          </div>
+        </details>
+
+        <hr />
+
+        <details>
+          <summary><b data-i18n>settings.section.system</b></summary>
+          <div>
+            <div id="system-settings-busy" aria-busy="true"></div>
+            <form action="/api/settings" id="system-settings" class="hidden">
+              <fieldset>
+                <legend data-i18n>settings.system.unit</legend>
+
+                <label>
+                  <input type="radio" class="system-unit-system" name="system[unitSystem]" value="0" />
+                  <span data-i18n>settings.system.metric</span>
+                </label>
+
+                <label>
+                  <input type="radio" class="system-unit-system" name="system[unitSystem]" value="1" />
+                  <span data-i18n>settings.system.imperial</span>
+                </label>
+              </fieldset>
+
+              <fieldset>
+                <label for="system-status-led-gpio">
+                  <span data-i18n>settings.system.statusLedGpio</span>
+                  <input type="number" inputmode="numeric" id="system-status-led-gpio" name="system[statusLedGpio]" min="0" max="254" step="1">
+                  <small data-i18n>settings.note.blankNotUse</small>
+                </label>
+              </fieldset>
+
+              <fieldset>
+                <legend data-i18n>settings.section.diag</legend>
+
+                <label for="system-debug">
+                  <input type="checkbox" id="system-debug" name="system[debug]" value="true">
+                  <span data-i18n>settings.system.debug</span>
+                </label>
+
+                <label for="system-serial-enable">
+                  <input type="checkbox" id="system-serial-enable" name="system[serial][enable]" value="true">
+                  <span data-i18n>settings.system.serial.enable</span>
+                </label>
+
+                <label for="system-telnet-enable">
+                  <input type="checkbox" id="system-telnet-enable" name="system[telnet][enable]" value="true">
+                  <span data-i18n>settings.system.telnet.enable</span>
+                </label>
+
+                <div class="grid">
+                  <label for="system-serial-baudrate">
+                    <span data-i18n>settings.system.serial.baud.title</span>
+                    <input type="number" inputmode="numeric" id="system-serial-baudrate" name="system[serial][baudrate]" min="9600" max="115200" step="1" required>
+                    <small data-i18n>settings.system.serial.baud.note</small>
+                  </label>
+
+                  <label for="system-telnet-port">
+                    <span data-i18n>settings.system.telnet.port.title</span>
+                    <input type="number" inputmode="numeric" id="system-telnet-port" name="system[telnet][port]" min="1" max="65535" step="1" required>
+                    <small data-i18n>settings.system.telnet.port.note</small>
+                  </label>
+                </div>
+
+                <mark data-i18n>settings.note.restart</mark>
+              </fieldset>
+
+              <button type="submit" data-i18n>button.save</button>
+            </form>
+          </div>
+        </details>
+
+
+        <hr />
+
+        <details>
+          <summary><b data-i18n>settings.section.heating</b></summary>
+          <div>
+            <div id="heating-settings-busy" aria-busy="true"></div>
+            <form action="/api/settings" id="heating-settings" class="hidden">
+              <div class="grid">
+                <label for="heating-min-temp">
+                  <span data-i18n>settings.temp.min</span>
+                  <input type="number" inputmode="numeric" id="heating-min-temp" name="heating[minTemp]" min="0" max="0" step="1" required>
+                </label>
+
+                <label for="heating-max-temp">
+                  <span data-i18n>settings.temp.max</span>
+                  <input type="number" inputmode="numeric" id="heating-max-temp" name="heating[maxTemp]" min="0" max="0" step="1" required>
+                </label>
+              </div>
+
+              <div class="grid">
+                <label for="heating-hysteresis">
+                  <span data-i18n>settings.heating.hyst</span>
+                  <input type="number" inputmode="numeric" id="heating-hysteresis" name="heating[hysteresis]" min="0" max="5" step="0.05" required>
+                </label>
+
+                <label for="heating-max-modulation">
+                  <span data-i18n>settings.heating.maxMod</span>
+                  <input type="number" inputmode="numeric" id="heating-max-modulation" name="heating[maxModulation]" min="1" max="100" step="1" required>
+                </label>
+              </div>
+
+              <button type="submit" data-i18n>button.save</button>
+            </form>
+          </div>
+        </details>
+
+        <hr />
+
+        <details>
+          <summary><b data-i18n>settings.section.dhw</b></summary>
+          <div>
+            <div id="dhw-settings-busy" aria-busy="true"></div>
+            <form action="/api/settings" id="dhw-settings" class="hidden">
+              <div class="grid">
+                <label for="dhw-min-temp">
+                  <span data-i18n>settings.temp.min</span>
+                  <input type="number" inputmode="numeric" id="dhw-min-temp" name="dhw[minTemp]" min="0" max="0" step="1" required>
+                </label>
+
+                <label for="dhw-max-temp">
+                  <span data-i18n>settings.temp.max</span>
+                  <input type="number" inputmode="numeric" id="dhw-max-temp" name="dhw[maxTemp]" min="0" max="0" step="1" required>
+                </label>
+              </div>
+
+              <button type="submit" data-i18n>button.save</button>
+            </form>
+          </div>
+        </details>
+
+        <hr />
+
+        <details>
+          <summary><b data-i18n>settings.section.emergency</b></summary>
+          <div>
+            <div id="emergency-settings-busy" aria-busy="true"></div>
+            <form action="/api/settings" id="emergency-settings" class="hidden">
+              <fieldset>
+                <label for="emergency-enable">
+                  <input type="checkbox" id="emergency-enable" name="emergency[enable]" value="true">
+                  <span data-i18n>settings.enable</span>
+                </label>
+
+                <small data-i18n>settings.emergency.desc</small>
+              </fieldset>
+
+              <div class="grid">
+                <label for="emergency-target">
+                  <span data-i18n>settings.emergency.target.title</span>
+                  <input type="number" inputmode="numeric" id="emergency-target" name="emergency[target]" min="0" max="0" step="1" required>
+                  <small data-i18n>settings.emergency.target.note</small>
+                </label>
+
+                <label for="emergency-treshold-time">
+                  <span data-i18n>settings.emergency.treshold</span>
+                  <input type="number" inputmode="numeric" id="emergency-treshold-time" name="emergency[tresholdTime]" min="60" max="1800" step="1" required>
+                </label>
+              </div>
+
+              <fieldset>
+                <legend data-i18n>settings.section.emergency.events</legend>
+
+                <label for="emergency-on-network-fault">
+                  <input type="checkbox" id="emergency-on-network-fault" name="emergency[onNetworkFault]" value="true">
+                  <span data-i18n>settings.emergency.events.network</span>
+                </label>
+
+                <label for="emergency-on-mqtt-fault">
+                  <input type="checkbox" id="emergency-on-mqtt-fault" name="emergency[onMqttFault]" value="true">
+                  <span data-i18n>settings.emergency.events.mqtt</span>
+                </label>
+              </fieldset>
+
+              <fieldset>
+                <legend data-i18n>settings.section.emergency.regulators</legend>
+
+                <label for="emergency-use-equitherm">
+                  <input type="checkbox" id="emergency-use-equitherm" name="emergency[useEquitherm]" value="true">
+                  <span data-i18n>settings.emergency.regulators.equitherm</span>
+                </label>
+                <label for="emergency-use-pid">
+                  <input type="checkbox" id="emergency-use-pid" name="emergency[usePid]" value="true">
+                  <span data-i18n>settings.emergency.regulators.pid</span>
+                </label>
+              </fieldset>
+
+              <button type="submit" data-i18n>button.save</button>
+            </form>
+          </div>
+        </details>
+
+        <hr />
+
+        <details>
+          <summary><b data-i18n>settings.section.equitherm</b></summary>
+          <div>
+            <div id="equitherm-settings-busy" aria-busy="true"></div>
+            <form action="/api/settings" id="equitherm-settings" class="hidden">
+              <fieldset>
+                <label for="equitherm-enable">
+                  <input type="checkbox" id="equitherm-enable" name="equitherm[enable]" value="true">
+                  <span data-i18n>settings.enable</span>
+                </label>
+              </fieldset>
+
+              <div class="grid">
+                <label for="equitherm-n-factor">
+                  <span data-i18n>settings.equitherm.n</span>
+                  <input type="number" inputmode="numeric" id="equitherm-n-factor" name="equitherm[n_factor]" min="0.001" max="10" step="0.001" required>
+                </label>
+
+                <label for="equitherm-k-factor">
+                  <span data-i18n>settings.equitherm.k</span>
+                  <input type="number" inputmode="numeric" id="equitherm-k-factor" name="equitherm[k_factor]" min="0" max="10" step="0.01" required>
+                </label>
+
+                <label for="equitherm-t-factor">
+                  <span data-i18n>settings.equitherm.t.title</span>
+                  <input type="number" inputmode="numeric" id="equitherm-t-factor" name="equitherm[t_factor]" min="0" max="10" step="0.01" required>
+                  <small data-i18n>settings.equitherm.t.note</small>
+                </label>
+              </div>
+
+              <button type="submit" data-i18n>button.save</button>
+            </form>
+          </div>
+        </details>
+
+        <hr />
+
+        <details>
+          <summary><b data-i18n>settings.section.pid</b></summary>
+          <div>
+            <div id="pid-settings-busy" aria-busy="true"></div>
+            <form action="/api/settings" id="pid-settings" class="hidden">
+              <fieldset>
+                <label for="pid-enable">
+                  <input type="checkbox" id="pid-enable" name="pid[enable]" value="true">
+                  <span data-i18n>settings.enable</span>
+                </label>
+              </fieldset>
+
+              <div class="grid">
+                <label for="pid-p-factor">
+                  <span data-i18n>settings.pid.p</span>
+                  <input type="number" inputmode="numeric" id="pid-p-factor" name="pid[p_factor]" min="0.1" max="1000" step="0.1" required>
+                </label>
+
+                <label for="pid-i-factor">
+                  <span data-i18n>settings.pid.i</span>
+                  <input type="number" inputmode="numeric" id="pid-i-factor" name="pid[i_factor]" min="0" max="100" step="0.0001" required>
+                </label>
+
+                <label for="pid-d-factor">
+                  <span data-i18n>settings.pid.d</span>
+                  <input type="number" inputmode="numeric" id="pid-d-factor" name="pid[d_factor]" min="0" max="100000" step="1" required>
+                </label>
+              </div>
+
+              <label for="pid-dt">
+                <span data-i18n>settings.pid.dt</span>
+                <input type="number" inputmode="numeric" id="pid-dt" name="pid[dt]" min="30" max="600" step="1" required>
+              </label>
+
+              <hr />
+
+              <div class="grid">
+                <label for="pid-min-temp">
+                  <span data-i18n>settings.temp.min</span>
+                  <input type="number" inputmode="numeric" id="pid-min-temp" name="pid[minTemp]" min="0" max="0" step="1" required>
+                </label>
+
+                <label for="pid-max-temp">
+                  <span data-i18n>settings.temp.max</span>
+                  <input type="number" inputmode="numeric" id="pid-max-temp" name="pid[maxTemp]" min="0" max="0" step="1" required>
+                </label>
+              </div>
+
+              <button type="submit" data-i18n>button.save</button>
+            </form>
+          </div>
+        </details>
+
+        <hr />
+
+        <details>
+          <summary><b data-i18n>settings.section.ot</b></summary>
+          <div>
+            <div id="opentherm-settings-busy" aria-busy="true"></div>
+            <form action="/api/settings" id="opentherm-settings" class="hidden">
+              <fieldset>
+                <legend data-i18n>settings.system.unit</legend>
+
+                <label>
+                  <input type="radio" class="opentherm-unit-system" name="opentherm[unitSystem]" value="0" />
+                  <span data-i18n>settings.system.metric</span>
+                </label>
+
+                <label>
+                  <input type="radio" class="opentherm-unit-system" name="opentherm[unitSystem]" value="1" />
+                  <span data-i18n>settings.system.imperial</span>
+                </label>
+              </fieldset>
+
+              <div class="grid">
+                <label for="opentherm-in-gpio">
+                  <span data-i18n>settings.ot.inGpio</span>
+                  <input type="number" inputmode="numeric" id="opentherm-in-gpio" name="opentherm[inGpio]" min="0" max="254" step="1">
+                </label>
+
+                <label for="opentherm-in-gpio">
+                  <span data-i18n>settings.ot.outGpio</span>
+                  <input type="number" inputmode="numeric" id="opentherm-out-gpio" name="opentherm[outGpio]" min="0" max="254" step="1">
+                </label>
+              </div>
+
+              <div class="grid">
+                <label for="opentherm-rx-led-gpio">
+                  <span data-i18n>settings.ot.ledGpio</span>
+                  <input type="number" inputmode="numeric" id="opentherm-rx-led-gpio" name="opentherm[rxLedGpio]" min="0" max="254" step="1">
+                  <small data-i18n>settings.note.blankNotUse</small>
+                </label>
+
+                <label for="opentherm-member-id-code">
+                  <span data-i18n>settings.ot.memberIdCode</span>
+                  <input type="number" inputmode="numeric" id="opentherm-member-id-code" name="opentherm[memberIdCode]" min="0" max="65535" step="1" required>
+                </label>
+              </div>
+
+              <fieldset>
+                <legend data-i18n>settings.section.ot.options</legend>
+                <label for="opentherm-dhw-present">
+                  <input type="checkbox" id="opentherm-dhw-present" name="opentherm[dhwPresent]" value="true">
+                  <span data-i18n>settings.ot.options.dhwPresent</span>
+                </label>
+
+                <label for="opentherm-sw-mode">
+                  <input type="checkbox" id="opentherm-sw-mode" name="opentherm[summerWinterMode]" value="true">
+                  <span data-i18n>settings.ot.options.summerWinterMode</span>
+                </label>
+
+                <label for="opentherm-heating-ch2-enabled">
+                  <input type="checkbox" id="opentherm-heating-ch2-enabled" name="opentherm[heatingCh2Enabled]" value="true">
+                  <span data-i18n>settings.ot.options.heatingCh2Enabled</span>
+                </label>
+
+                <label for="opentherm-heating-ch1-to-ch2">
+                  <input type="checkbox" id="opentherm-heating-ch1-to-ch2" name="opentherm[heatingCh1ToCh2]" value="true">
+                  <span data-i18n>settings.ot.options.heatingCh1ToCh2</span>
+                </label>
+
+                <label for="opentherm-dhw-to-ch2">
+                  <input type="checkbox" id="opentherm-dhw-to-ch2" name="opentherm[dhwToCh2]" value="true">
+                  <span data-i18n>settings.ot.options.dhwToCh2</span>
+                </label>
+
+                <label for="opentherm-dhw-blocking">
+                  <input type="checkbox" id="opentherm-dhw-blocking" name="opentherm[dhwBlocking]" value="true">
+                  <span data-i18n>settings.ot.options.dhwBlocking</span>
+                </label>
+
+                <label for="opentherm-sync-modulation-with-heating">
+                  <input type="checkbox" id="opentherm-sync-modulation-with-heating" name="opentherm[modulationSyncWithHeating]" value="true">
+                  <span data-i18n>settings.ot.options.modulationSyncWithHeating</span>
+                </label>
+
+                <label for="opentherm-get-min-max-temp">
+                  <input type="checkbox" id="opentherm-get-min-max-temp" name="opentherm[getMinMaxTemp]" value="true">
+                  <span data-i18n>settings.ot.options.getMinMaxTemp</span>
+                </label>
+
+                <hr />
+                <fieldset>
+                  <label for="opentherm-fault-state-gpio">
+                    <span data-i18n>settings.ot.faultState.gpio</span>
+                    <input type="number" inputmode="numeric" id="opentherm-fault-state-gpio" name="opentherm[faultStateGpio]" min="0" max="254" step="1">
+                    <small data-i18n>settings.ot.faultState.note</small>
+                  </label>
+
+                  <label for="opentherm-invert-fault-state">
+                    <input type="checkbox" id="opentherm-invert-fault-state" name="opentherm[invertFaultState]" value="true">
+                    <span data-i18n>settings.ot.faultState.invert</span>
+                  </label>
+                </fieldset>
+
+                <hr />
+                <label for="opentherm-native-heating-control">
+                  <input type="checkbox" id="opentherm-native-heating-control" name="opentherm[nativeHeatingControl]" value="true">
+                  <span data-i18n>settings.ot.nativeHeating.title</span><br />
+                  <small data-i18n>settings.ot.nativeHeating.note</small>
+                </label>
+              </fieldset>
+
+              <button type="submit" data-i18n>button.save</button>
+            </form>
+          </div>
+        </details>
+
+        <hr />
+
+        <details>
+          <summary><b data-i18n>settings.section.mqtt</b></summary>
+          <div>
+            <div id="mqtt-settings-busy" aria-busy="true"></div>
+            <form action="/api/settings" id="mqtt-settings" class="hidden">
+              <fieldset>
+                <label for="mqtt-enable">
+                  <input type="checkbox" id="mqtt-enable" name="mqtt[enable]" value="true">
+                  <span data-i18n>settings.enable</span>
+                </label>
+
+                <label for="mqtt-ha-discovery">
+                  <input type="checkbox" id="mqtt-ha-discovery" name="mqtt[homeAssistantDiscovery]" value="true">
+                  <span data-i18n>settings.mqtt.homeAssistantDiscovery</span>
+                </label>
+              </fieldset>
+
+              <div class="grid">
+                <label for="mqtt-server">
+                  <span data-i18n>settings.mqtt.server</span>
+                  <input type="text" id="mqtt-server" name="mqtt[server]" maxlength="80" required>
+                </label>
+
+                <label for="mqtt-port">
+                  <span data-i18n>settings.mqtt.port</span>
+                  <input type="number" inputmode="numeric" id="mqtt-port" name="mqtt[port]" min="1" max="65535" step="1" required>
+                </label>
+              </div>
+
+              <div class="grid">
+                <label for="mqtt-user">
+                  <span data-i18n>settings.mqtt.user</span>
+                  <input type="text" id="mqtt-user" name="mqtt[user]" maxlength="32" required>
+                </label>
+
+                <label for="mqtt-password">
+                  <span data-i18n>settings.mqtt.password</span>
+                  <input type="password" id="mqtt-password" name="mqtt[password]" maxlength="32">
+                </label>
+              </div>
+
+              <div class="grid">
+                <label for="mqtt-prefix">
+                  <span data-i18n>settings.mqtt.prefix</span>
+                  <input type="text" id="mqtt-prefix" name="mqtt[prefix]" maxlength="32" required>
+                </label>
+
+                <label for="mqtt-interval">
+                  <span data-i18n>settings.mqtt.interval</span>
+                  <input type="number" inputmode="numeric" id="mqtt-interval" name="mqtt[interval]" min="3" max="60" step="1" required>
+                </label>
+              </div>
+
+              <button type="submit" data-i18n>button.save</button>
+            </form>
+          </div>
+        </details>
+
+        <hr />
+
+        <details>
+          <summary><b data-i18n>settings.section.outdorSensor</b></summary>
+          <div>
+            <div id="outdoor-sensor-settings-busy" aria-busy="true"></div>
+            <form action="/api/settings" id="outdoor-sensor-settings" class="hidden">
+              <fieldset>
+                <legend data-i18n>settings.tempSensor.source.type</legend>
+
+                <label>
+                  <input type="radio" class="outdoor-sensor-type" name="sensors[outdoor][type]" value="0" />
+                  <span data-i18n>settings.tempSensor.source.boiler</span>
+                </label>
+
+                <label>
+                  <input type="radio" class="outdoor-sensor-type" name="sensors[outdoor][type]" value="1" />
+                  <span data-i18n>settings.tempSensor.source.manual</span>
+                </label>
+
+                <label>
+                  <input type="radio" class="outdoor-sensor-type" name="sensors[outdoor][type]" value="2" />
+                  <span data-i18n>settings.tempSensor.source.ext</span>
+                </label>
+              </fieldset>
+
+              <label for="outdoor-sensor-gpio">
+                <span data-i18n>settings.tempSensor.gpio</span>
+                <input type="number" inputmode="numeric" id="outdoor-sensor-gpio" name="sensors[outdoor][gpio]" min="0" max="254" step="1">
+              </label>
+
+              <label for="outdoor-sensor-offset">
+                <span data-i18n>settings.tempSensor.offset</span>
+                <input type="number" inputmode="numeric" id="outdoor-sensor-offset" name="sensors[outdoor][offset]" min="-10" max="10" step="0.01" required>
+              </label>
+
+              <button type="submit" data-i18n>button.save</button>
+            </form>
+          </div>
+        </details>
+
+        <hr />
+
+        <details>
+          <summary><b data-i18n>settings.section.indoorSensor</b></summary>
+          <div>
+            <div id="indoor-sensor-settings-busy" aria-busy="true"></div>
+            <form action="/api/settings" id="indoor-sensor-settings" class="hidden">
+              <fieldset>
+                <legend data-i18n>settings.tempSensor.source.type</legend>
+
+                <label>
+                  <input type="radio" class="indoor-sensor-type" name="sensors[indoor][type]" value="1" />
+                  <span data-i18n>settings.tempSensor.source.manual</span>
+                </label>
+
+                <label>
+                  <input type="radio" class="indoor-sensor-type" name="sensors[indoor][type]" value="2" />
+                  <span data-i18n>settings.tempSensor.source.ext</span>
+                </label>
+
+                <label>
+                  <input type="radio" class="indoor-sensor-type" name="sensors[indoor][type]" value="3" />
+                  <span data-i18n>settings.tempSensor.source.ble</span>
+                </label>
+              </fieldset>
+
+              <label for="indoor-sensor-gpio">
+                <span data-i18n>settings.tempSensor.gpio</span>
+                <input type="number" inputmode="numeric" id="indoor-sensor-gpio" name="sensors[indoor][gpio]" min="0" max="254" step="1">
+              </label>
+
+              <div class="grid">
+                <label for="indoor-sensor-offset">
+                  <span data-i18n>settings.tempSensor.offset</span>
+                  <input type="number" inputmode="numeric" id="indoor-sensor-offset" name="sensors[indoor][offset]" min="-10" max="10" step="0.01" required>
+                </label>
+
+                <label for="indoor-sensor-ble-addresss">
+                  <span data-i18n>settings.tempSensor.bleAddress.title</span>
+                  <input type="text" id="indoor-sensor-ble-addresss" name="sensors[indoor][bleAddress]" pattern="([A-Fa-f0-9]{2}:){5}[A-Fa-f0-9]{2}">
+                  <small data-i18n>settings.tempSensor.bleAddress.note</small>
+                </label>
+              </div>
+
+              <button type="submit" data-i18n>button.save</button>
+            </form>
+          </div>
+        </details>
+
+        <hr />
+
+        <details>
+          <summary><b data-i18n>settings.section.extPump</b></summary>
+          <div>
+            <div id="extpump-settings-busy" aria-busy="true"></div>
+            <form action="/api/settings" id="extpump-settings" class="hidden">
+              <fieldset>
+                <label for="extpump-use">
+                  <input type="checkbox" id="extpump-use" name="externalPump[use]" value="true">
+                  <span data-i18n>settings.extPump.use</span>
+                </label>
+              </fieldset>
+
+              <div class="grid">
+                <label for="extpump-gpio">
+                  <span data-i18n>settings.extPump.gpio</span>
+                  <input type="number" inputmode="numeric" id="extpump-gpio" name="externalPump[gpio]" min="0" max="254" step="1">
+                </label>
+
+                <label for="extpump-pc-time">
+                  <span data-i18n>settings.extPump.postCirculationTime</span>
+                  <input type="number" inputmode="numeric" id="extpump-pc-time" name="externalPump[postCirculationTime]" min="1" max="120" step="1" required>
+                </label>
+              </div>
+
+              <div class="grid">
+                <label for="extpump-as-interval">
+                  <span data-i18n>settings.extPump.antiStuckInterval</span>
+                  <input type="number" inputmode="numeric" id="extpump-as-interval" name="externalPump[antiStuckInterval]" min="1" max="366" step="1" required>
+                </label>
+
+                <label for="extpump-as-time">
+                  <span data-i18n>settings.extPump.antiStuckTime</span>
+                  <input type="number" inputmode="numeric" id="extpump-as-time" name="externalPump[antiStuckTime]" min="1" max="20" step="1" required>
+                </label>
+              </div>
+
+              <button type="submit" data-i18n>button.save</button>
+            </form>
+          </div>
+        </details>
+      </article>
+    </main>
+
+    <footer class="container">
+      <small>
+        <b>Made by Laxilef</b>
+        • <a href="https://github.com/Laxilef/OTGateway/blob/master/LICENSE" target="_blank" class="secondary" data-i18n>nav.license</a>
+        • <a href="https://github.com/Laxilef/OTGateway/blob/master/" target="_blank" class="secondary" data-i18n>nav.source</a>
+        • <a href="https://github.com/Laxilef/OTGateway/wiki" target="_blank" class="secondary" data-i18n>nav.help</a>
+        • <a href="https://github.com/Laxilef/OTGateway/issues" target="_blank" class="secondary" data-i18n>nav.issues</a>
+        • <a href="https://github.com/Laxilef/OTGateway/releases" target="_blank" class="secondary" data-i18n>nav.releases</a>
+      </small>
+    </footer>
+
+    <script src="/static/app.js"></script>
+    <script>
+      document.addEventListener('DOMContentLoaded', async () => {
+        const lang = new Lang(document.getElementById('lang'));
+        lang.build();
+
+
+        const fillData = (data) => {
+          // System
+          setCheckboxValue('#system-debug', data.system.debug);
+          setCheckboxValue('#system-serial-enable', data.system.serial.enable);
+          setInputValue('#system-serial-baudrate', data.system.serial.baudrate);
+          setCheckboxValue('#system-telnet-enable', data.system.telnet.enable);
+          setInputValue('#system-telnet-port', data.system.telnet.port);
+          setRadioValue('.system-unit-system', data.system.unitSystem);
+          setInputValue('#system-status-led-gpio', data.system.statusLedGpio < 255 ? data.system.statusLedGpio : '');
+          setBusy('#system-settings-busy', '#system-settings', false);
+
+          // Portal
+          setCheckboxValue('#portal-auth', data.portal.auth);
+          setInputValue('#portal-login', data.portal.login);
+          setInputValue('#portal-password', data.portal.password);
+          setBusy('#portal-settings-busy', '#portal-settings', false);
+
+          // Opentherm
+          setRadioValue('.opentherm-unit-system', data.opentherm.unitSystem);
+          setInputValue('#opentherm-in-gpio', data.opentherm.inGpio < 255 ? data.opentherm.inGpio : '');
+          setInputValue('#opentherm-out-gpio', data.opentherm.outGpio < 255 ? data.opentherm.outGpio : '');
+          setInputValue('#opentherm-rx-led-gpio', data.opentherm.rxLedGpio < 255 ? data.opentherm.rxLedGpio : '');
+          setInputValue('#opentherm-fault-state-gpio', data.opentherm.faultStateGpio < 255 ? data.opentherm.faultStateGpio : '');
+          setCheckboxValue('#opentherm-invert-fault-state', data.opentherm.invertFaultState);
+          setInputValue('#opentherm-member-id-code', data.opentherm.memberIdCode);
+          setCheckboxValue('#opentherm-dhw-present', data.opentherm.dhwPresent);
+          setCheckboxValue('#opentherm-sw-mode', data.opentherm.summerWinterMode);
+          setCheckboxValue('#opentherm-heating-ch2-enabled', data.opentherm.heatingCh2Enabled);
+          setCheckboxValue('#opentherm-heating-ch1-to-ch2', data.opentherm.heatingCh1ToCh2);
+          setCheckboxValue('#opentherm-dhw-to-ch2', data.opentherm.dhwToCh2);
+          setCheckboxValue('#opentherm-dhw-blocking', data.opentherm.dhwBlocking);
+          setCheckboxValue('#opentherm-sync-modulation-with-heating', data.opentherm.modulationSyncWithHeating);
+          setCheckboxValue('#opentherm-get-min-max-temp', data.opentherm.getMinMaxTemp);
+          setCheckboxValue('#opentherm-native-heating-control', data.opentherm.nativeHeatingControl);
+          setBusy('#opentherm-settings-busy', '#opentherm-settings', false);
+
+          // MQTT
+          setCheckboxValue('#mqtt-enable', data.mqtt.enable);
+          setCheckboxValue('#mqtt-ha-discovery', data.mqtt.homeAssistantDiscovery);
+          setInputValue('#mqtt-server', data.mqtt.server);
+          setInputValue('#mqtt-port', data.mqtt.port);
+          setInputValue('#mqtt-user', data.mqtt.user);
+          setInputValue('#mqtt-password', data.mqtt.password);
+          setInputValue('#mqtt-prefix', data.mqtt.prefix);
+          setInputValue('#mqtt-interval', data.mqtt.interval);
+          setBusy('#mqtt-settings-busy', '#mqtt-settings', false);
+
+          // Outdoor sensor
+          setRadioValue('.outdoor-sensor-type', data.sensors.outdoor.type);
+          setInputValue('#outdoor-sensor-gpio', data.sensors.outdoor.gpio < 255 ? data.sensors.outdoor.gpio : '');
+          setInputValue('#outdoor-sensor-offset', data.sensors.outdoor.offset);
+          setBusy('#outdoor-sensor-settings-busy', '#outdoor-sensor-settings', false);
+
+          // Indoor sensor
+          setRadioValue('.indoor-sensor-type', data.sensors.indoor.type);
+          setInputValue('#indoor-sensor-gpio', data.sensors.indoor.gpio < 255 ? data.sensors.indoor.gpio : '');
+          setInputValue('#indoor-sensor-offset', data.sensors.indoor.offset);
+          setInputValue('#indoor-sensor-ble-addresss', data.sensors.indoor.bleAddress);
+          setBusy('#indoor-sensor-settings-busy', '#indoor-sensor-settings', false);
+
+          // Extpump
+          setCheckboxValue('#extpump-use', data.externalPump.use);
+          setInputValue('#extpump-gpio', data.externalPump.gpio < 255 ? data.externalPump.gpio : '');
+          setInputValue('#extpump-pc-time', data.externalPump.postCirculationTime);
+          setInputValue('#extpump-as-interval', data.externalPump.antiStuckInterval);
+          setInputValue('#extpump-as-time', data.externalPump.antiStuckTime);
+          setBusy('#extpump-settings-busy', '#extpump-settings', false);
+
+          // Heating
+          setInputValue('#heating-min-temp', data.heating.minTemp, {
+            "min": data.system.unitSystem == 0 ? 0 : 32,
+            "max": data.system.unitSystem == 0 ? 99 : 211
+          });
+          setInputValue('#heating-max-temp', data.heating.maxTemp, {
+            "min": data.system.unitSystem == 0 ? 1 : 33,
+            "max": data.system.unitSystem == 0 ? 100 : 212
+          });
+          setInputValue('#heating-hysteresis', data.heating.hysteresis);
+          setInputValue('#heating-max-modulation', data.heating.maxModulation);
+          setBusy('#heating-settings-busy', '#heating-settings', false);
+
+          // DHW
+          setInputValue('#dhw-min-temp', data.dhw.minTemp, {
+            "min": data.system.unitSystem == 0 ? 0 : 32,
+            "max": data.system.unitSystem == 0 ? 99 : 211
+          });
+          setInputValue('#dhw-max-temp', data.dhw.maxTemp, {
+            "min": data.system.unitSystem == 0 ? 1 : 33,
+            "max": data.system.unitSystem == 0 ? 100 : 212
+          });
+          setBusy('#dhw-settings-busy', '#dhw-settings', false);
+
+          // Emergency mode
+          setCheckboxValue('#emergency-enable', data.emergency.enable);
+          setInputValue('#emergency-treshold-time', data.emergency.tresholdTime);
+          setCheckboxValue('#emergency-use-equitherm', data.emergency.useEquitherm);
+          setCheckboxValue('#emergency-use-pid', data.emergency.usePid);
+          setCheckboxValue('#emergency-on-network-fault', data.emergency.onNetworkFault);
+          setCheckboxValue('#emergency-on-mqtt-fault', data.emergency.onMqttFault);
+          setInputValue('#emergency-target', data.emergency.target, {
+            "min": (!data.emergency.useEquitherm && !data.emergency.usePid) ? data.heating.minTemp : 10,
+            "max": (!data.emergency.useEquitherm && !data.emergency.usePid) ? data.heating.maxTemp : 30,
+          });
+          setBusy('#emergency-settings-busy', '#emergency-settings', false);
+
+          // Equitherm
+          setCheckboxValue('#equitherm-enable', data.equitherm.enable);
+          setInputValue('#equitherm-n-factor', data.equitherm.n_factor);
+          setInputValue('#equitherm-k-factor', data.equitherm.k_factor);
+          setInputValue('#equitherm-t-factor', data.equitherm.t_factor);
+          setBusy('#equitherm-settings-busy', '#equitherm-settings', false);
+
+          // PID
+          setCheckboxValue('#pid-enable', data.pid.enable);
+          setInputValue('#pid-p-factor', data.pid.p_factor);
+          setInputValue('#pid-i-factor', data.pid.i_factor);
+          setInputValue('#pid-d-factor', data.pid.d_factor);
+          setInputValue('#pid-dt', data.pid.dt);
+          setInputValue('#pid-min-temp', data.pid.minTemp, {
+            "min": 0,
+            "max": data.system.unitSystem == 0 ? 99 : 211
+          });
+          setInputValue('#pid-max-temp', data.pid.maxTemp, {
+            "min": 1,
+            "max": data.system.unitSystem == 0 ? 100 : 212
+          });
+          setBusy('#pid-settings-busy', '#pid-settings', false);
+        };
+
+        try {
+          const response = await fetch('/api/settings', { cache: 'no-cache' });
+          if (!response.ok) {
+            throw new Error('Response not valid');
+          }
+
+          const result = await response.json();
+          fillData(result);
+
+          setupForm('#portal-settings', fillData, ['portal.login', 'portal.password']);
+          setupForm('#system-settings', fillData);
+          setupForm('#heating-settings', fillData);
+          setupForm('#dhw-settings', fillData);
+          setupForm('#emergency-settings', fillData);
+          setupForm('#equitherm-settings', fillData);
+          setupForm('#pid-settings', fillData);
+          setupForm('#opentherm-settings', fillData);
+          setupForm('#mqtt-settings', fillData, ['mqtt.user', 'mqtt.password', 'mqtt.prefix']);
+          setupForm('#outdoor-sensor-settings', fillData);
+          setupForm('#indoor-sensor-settings', fillData, ['sensors.indoor.bleAddress']);
+          setupForm('#extpump-settings', fillData);
+
+        } catch (error) {
+          console.log(error);
+        }
+      });
+    </script>
+  </body>
+</html>
--- a/src_data/pages/upgrade.html
+++ b/src_data/pages/upgrade.html
@@ -0,0 +1,111 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title data-i18n>upgrade.title</title>
+    <link rel="stylesheet" href="/static/app.css">
+  </head>
+
+  <body>
+    <header class="container">
+      <nav>
+        <ul>
+          <li><a href="/">
+              <div class="logo" data-i18n>logo</div>
+            </a></li>
+        </ul>
+        <ul>
+          <!--<li><a href="https://github.com/Laxilef/OTGateway/wiki" role="button" class="secondary" target="_blank">Help</a></li>-->
+          <li>
+            <select id="lang" aria-label="Lang">
+              <option value="en" selected>EN</option>
+              <option value="ru">RU</option>
+            </select>
+          </li>
+        </ul>
+      </nav>
+    </header>
+
+    <main class="container">
+      <article>
+        <div>
+          <hgroup>
+            <h2 data-i18n>upgrade.section.backupAndRestore</h2>
+            <p data-i18n>upgrade.section.backupAndRestore.desc</p>
+          </hgroup>
+
+          <form action="/api/backup/restore" id="restore">
+            <label for="restore-file">
+              <span data-i18n>upgrade.settingsFile</span>
+              <input type="file" name="settings" id="restore-file" accept=".json">
+            </label>
+
+            <div class="grid">
+              <button type="submit" data-i18n>button.restore</button>
+              <button type="button" class="secondary" onclick="window.location='/api/backup/save';" data-i18n>button.backup</button>
+            </div>
+          </form>
+        </div>
+      </article>
+
+      <article>
+        <div>
+          <hgroup>
+            <h2 data-i18n>upgrade.section.upgrade</h2>
+            <p data-i18n>upgrade.section.upgrade.desc</p>
+          </hgroup>
+
+          <form action="/api/upgrade" id="upgrade">
+            <fieldset class="primary">
+              <label for="firmware-file">
+                <span data-i18n>upgrade.fw</span>:
+                <div class="grid">
+                  <input type="file" name="firmware" id="firmware-file" accept=".bin">
+                  <button type="button" class="upgrade-firmware-result hidden" disabled></button>
+                </div>
+              </label>
+
+              <label for="filesystem-file">
+                <span data-i18n>upgrade.fs</span>:
+                <div class="grid">
+                  <input type="file" name="filesystem" id="filesystem-file" accept=".bin">
+                  <button type="button" class="upgrade-filesystem-result hidden" disabled></button>
+                </div>
+              </label>
+            </fieldset>
+
+            <ul>
+              <li><mark data-i18n>upgrade.note.disclaimer1</mark></li>
+              <li><mark data-i18n>upgrade.note.disclaimer2</mark></li>
+            </ul>
+
+            <button type="submit" data-i18n>button.upgrade</button>
+          </form>
+        </div>
+      </article>
+    </main>
+
+    <footer class="container">
+      <small>
+        <b>Made by Laxilef</b>
+        • <a href="https://github.com/Laxilef/OTGateway/blob/master/LICENSE" target="_blank" class="secondary" data-i18n>nav.license</a>
+        • <a href="https://github.com/Laxilef/OTGateway/blob/master/" target="_blank" class="secondary" data-i18n>nav.source</a>
+        • <a href="https://github.com/Laxilef/OTGateway/wiki" target="_blank" class="secondary" data-i18n>nav.help</a>
+        • <a href="https://github.com/Laxilef/OTGateway/issues" target="_blank" class="secondary" data-i18n>nav.issues</a>
+        • <a href="https://github.com/Laxilef/OTGateway/releases" target="_blank" class="secondary" data-i18n>nav.releases</a>
+      </small>
+    </footer>
+
+    <script src="/static/app.js"></script>
+    <script>
+      document.addEventListener('DOMContentLoaded', async () => {
+        const lang = new Lang(document.getElementById('lang'));
+        lang.build();
+
+        setupRestoreBackupForm('#restore');
+        setupUpgradeForm('#upgrade');
+      });
+    </script>
+  </body>
+</html>
--- a/src_data/scripts/i18n.min.js
+++ b/src_data/scripts/i18n.min.js
@@ -0,0 +1 @@
+(function(){var e,t,n,r=function(e,t){return function(){return e.apply(t,arguments)}};e=function(){function e(){this.translate=r(this.translate,this);this.data={values:{},contexts:[]};this.globalContext={}}e.prototype.translate=function(e,t,n,r,i){var s,o,u,a;if(i==null){i=this.globalContext}u=function(e){var t;t=typeof e;return t==="function"||t==="object"&&!!e};if(u(t)){s=null;a=null;o=t;i=n||this.globalContext}else{if(typeof t==="number"){s=null;a=t;o=n;i=r||this.globalContext}else{s=t;if(typeof n==="number"){a=n;o=r;i=i}else{a=null;o=n;i=r||this.globalContext}}}if(u(e)){if(u(e["i18n"])){e=e["i18n"]}return this.translateHash(e,i)}else{return this.translateText(e,a,o,i,s)}};e.prototype.add=function(e){var t,n,r,i,s,o,u,a;if(e.values!=null){o=e.values;for(n in o){r=o[n];this.data.values[n]=r}}if(e.contexts!=null){u=e.contexts;a=[];for(i=0,s=u.length;i<s;i++){t=u[i];a.push(this.data.contexts.push(t))}return a}};e.prototype.setContext=function(e,t){return this.globalContext[e]=t};e.prototype.clearContext=function(e){return this.lobalContext[e]=null};e.prototype.reset=function(){this.data={values:{},contexts:[]};return this.globalContext={}};e.prototype.resetData=function(){return this.data={values:{},contexts:[]}};e.prototype.resetContext=function(){return this.globalContext={}};e.prototype.translateHash=function(e,t){var n,r;for(n in e){r=e[n];if(typeof r==="string"){e[n]=this.translateText(r,null,null,t)}}return e};e.prototype.translateText=function(e,t,n,r,i){var s,o;if(r==null){r=this.globalContext}if(this.data==null){return this.useOriginalText(i||e,t,n)}s=this.getContextData(this.data,r);if(s!=null){o=this.findTranslation(e,t,n,s.values,i)}if(o==null){o=this.findTranslation(e,t,n,this.data.values,i)}if(o==null){return this.useOriginalText(i||e,t,n)}return o};e.prototype.findTranslation=function(e,t,n,r){var i,s,o,u,a;o=r[e];if(o==null){return null}if(t==null){if(typeof o==="string"){return this.applyFormatting(o,t,n)}}else{if(o instanceof Array||o.length){for(u=0,a=o.length;u<a;u++){s=o[u];if((t>=s[0]||s[0]===null)&&(t<=s[1]||s[1]===null)){i=this.applyFormatting(s[2].replace("-%n",String(-t)),t,n);return this.applyFormatting(i.replace("%n",String(t)),t,n)}}}}return null};e.prototype.getContextData=function(e,t){var n,r,i,s,o,u,a,f;if(e.contexts==null){return null}a=e.contexts;for(o=0,u=a.length;o<u;o++){n=a[o];r=true;f=n.matches;for(i in f){s=f[i];r=r&&s===t[i]}if(r){return n}}return null};e.prototype.useOriginalText=function(e,t,n){if(t==null){return this.applyFormatting(e,t,n)}return this.applyFormatting(e.replace("%n",String(t)),t,n)};e.prototype.applyFormatting=function(e,t,n){var r,i;for(r in n){i=new RegExp("%{"+r+"}","g");e=e.replace(i,n[r])}return e};return e}();n=new e;t=n.translate;t.translator=n;t.create=function(n){var r;r=new e;if(n!=null){r.add(n)}r.translate.create=t.create;return r.translate};(typeof module!=="undefined"&&module!==null?module.exports=t:void 0)||(this.i18n=t)}).call(this)
--- a/src_data/scripts/lang.js
+++ b/src_data/scripts/lang.js
@@ -0,0 +1,128 @@
+class Lang {
+  constructor(switcher, defaultLocale = null) {
+    if (!(switcher instanceof Object)) {
+      throw new SyntaxError("switcher must be an element object");
+    }
+
+    this.switcher = switcher;
+    this.defaultLocale = defaultLocale;
+    this.supportedLocales = [];
+    this.currentLocale = null;
+  }
+
+  async build() {
+    this.bindSwitcher();
+  
+    const userLocale = localStorage.getItem('locale');
+    if (this.localeIsSupported(userLocale)) {
+      await this.setLocale(userLocale);
+  
+    } else {
+      const initialLocale = this.getSuitableLocale(this.browserLocales(true));
+      await this.setLocale(initialLocale);
+    }
+
+    this.translatePage();
+  }
+
+  bindSwitcher() {
+    this.supportedLocales = [];
+    for (const option of this.switcher.options) {
+      this.supportedLocales.push(option.value);
+    }
+
+    if (!this.localeIsSupported(this.defaultLocale)) {
+      const selected = this.switcher.selectedIndex ?? 0;
+      this.defaultLocale = this.switcher.options[selected].value;
+    }
+  
+    this.switcher.addEventListener('change', async (element) => {
+      await this.setLocale(element.target.value);
+      this.translatePage();
+    });
+  }
+
+  async setLocale(newLocale) {
+    if (this.currentLocale == newLocale) {
+      return;
+    }
+
+    i18n.translator.reset();
+    i18n.translator.add(await this.fetchTranslations(newLocale));
+  
+    this.currentLocale = newLocale;
+    localStorage.setItem('locale', this.currentLocale);
+  
+    if (document.documentElement) {
+      document.documentElement.setAttribute("lang", this.currentLocale);
+    }
+
+    if (this.switcher.value != this.currentLocale) {
+      this.switcher.value = this.currentLocale;
+    }
+  }
+
+  async fetchTranslations(locale) {
+    const response = await fetch(`/static/locales/${locale}.json`);
+    const data = await response.json();
+  
+    if (data.values instanceof Object) {
+      data.values = this.flattenKeys({keys: data.values, prefix: ''});
+    }
+  
+    return data;
+  }
+
+  translatePage() {
+    document
+      .querySelectorAll("[data-i18n]")
+      .forEach((element) => this.translateElement(element));
+  }
+  
+  translateElement(element) {
+    let key = element.getAttribute("data-i18n");
+    if (!key && element.innerHTML) {
+      key = element.innerHTML;
+      element.setAttribute("data-i18n", key);
+    }
+
+    if (!key) {
+      return;
+    }
+  
+    const arg = element.getAttribute("data-i18n-arg") || null;
+    const options = JSON.parse(element.getAttribute("data-i18n-options")) || null;
+  
+    element.innerHTML = i18n(key, arg, options);
+  }
+
+
+  localeIsSupported(locale) {
+    return locale !== null && this.supportedLocales.indexOf(locale) > -1;
+  }
+  
+  getSuitableLocale(locales) {
+    return locales.find(this.localeIsSupported) || this.defaultLocale;
+  }
+  
+  browserLocales(codeOnly = false) {
+    return navigator.languages.map((locale) =>
+      codeOnly ? locale.split("-")[0] : locale,
+    );
+  }
+
+  flattenKeys({ keys, prefix }) {
+    let result = {};
+    for (let key in keys) {
+      const type = typeof keys[key];
+      if (type === 'string') {
+        result[`${prefix}${key}`] = keys[key];
+      }
+      else if (type === 'object') {
+        result = { ...result, ...this.flattenKeys({ keys: keys[key], prefix: `${prefix}${key}.` }) }
+      }
+    }
+    return result;
+  }
+}
+
--- a/src_data/scripts/utils.js
+++ b/src_data/scripts/utils.js
@@ -1,4 +1,4 @@
-function setupForm(formSelector) {
+function setupForm(formSelector, onResultCallback = null, noCastItems = []) {
  const form = document.querySelector(formSelector);
  if (!form) {
    return;
@@ -22,14 +22,14 @@ function setupForm(formSelector) {
    event.preventDefault();

    if (button) {
-      button.textContent = 'Please wait...';
+      button.textContent = i18n("button.wait");
      button.setAttribute('disabled', true);
      button.setAttribute('aria-busy', true);
    }

-    const onSuccess = (response) => {
+    const onSuccess = (result) => {
      if (button) {
-        button.textContent = 'Saved';
+        button.textContent = i18n('button.saved');
        button.classList.add('success');
        button.removeAttribute('aria-busy');

@@ -41,9 +41,9 @@ function setupForm(formSelector) {
      }
    };

-    const onFailed = (response) => {
+    const onFailed = () => {
      if (button) {
-        button.textContent = 'Error';
+        button.textContent = i18n('button.error');
        button.classList.add('failed');
        button.removeAttribute('aria-busy');

@@ -68,18 +68,23 @@ function setupForm(formSelector) {
        headers: {
          'Content-Type': 'application/json'
        },
-        body: form2json(fd)
+        body: form2json(fd, noCastItems)
      });

-      if (response.ok) {
-        onSuccess(response);
+      if (!response.ok) {
+        throw new Error('Response not valid');
+      }

-      } else {
-        onFailed(response);
+      const result = response.status != 204 ? (await response.json()) : null;
+      onSuccess(result);
+
+      if (onResultCallback instanceof Function) {
+        onResultCallback(result);
      }

    } catch (err) {
-      onFailed(false);
+      console.log(err);
+      onFailed();
    }
  });
 }
@@ -105,7 +110,7 @@ function setupNetworkScanForm(formSelector, tableSelector) {
    }

    if (button) {
-      button.innerHTML = 'Please wait...';
+      button.innerHTML = i18n('button.wait');
      button.setAttribute('disabled', true);
      button.setAttribute('aria-busy', true);
    }
@@ -134,7 +139,7 @@ function setupNetworkScanForm(formSelector, tableSelector) {
        row.classList.add("network");
        row.setAttribute('data-ssid', result[i].hidden ? '' : result[i].ssid);
        row.onclick = function () {
-          const input = document.querySelector('input.sta-ssid');
+          const input = document.querySelector('input#sta-ssid');
          const ssid = this.getAttribute('data-ssid');
          if (!input || !ssid) {
            return;
@@ -145,19 +150,56 @@ function setupNetworkScanForm(formSelector, tableSelector) {
        };

        row.insertCell().textContent = "#" + (i + 1);
-        row.insertCell().innerHTML = result[i].hidden ? '<i>Hidden</i>' : result[i].ssid;
+        row.insertCell().innerHTML = result[i].hidden ? ("<i>" + result[i].bssid + "</i>") : result[i].ssid;

-        const signalCell = row.insertCell();
-        const signalElement = document.createElement("kbd");
-        signalElement.textContent = result[i].signalQuality + "%";
-        if (result[i].signalQuality > 60) {
-          signalElement.classList.add('greatSignal');
+        // info cell
+        let infoCell = row.insertCell();
+
+        // signal quality
+        let signalQualityIcon = document.createElement("i");
+        if (result[i].signalQuality > 80) {
+          signalQualityIcon.classList.add('icons-wifi-strength-4');
+        } else if (result[i].signalQuality > 60) {
+          signalQualityIcon.classList.add('icons-wifi-strength-3');
        } else if (result[i].signalQuality > 40) {
-          signalElement.classList.add('normalSignal');
+          signalQualityIcon.classList.add('icons-wifi-strength-2');
+        } else if (result[i].signalQuality > 20) {
+          signalQualityIcon.classList.add('icons-wifi-strength-1');
        } else {
-          signalElement.classList.add('badSignal');
+          signalQualityIcon.classList.add('icons-wifi-strength-0');
        }
-        signalCell.appendChild(signalElement);
+        
+        let signalQualityContainer = document.createElement("span");
+        signalQualityContainer.setAttribute('data-tooltip', result[i].signalQuality + "%");
+        signalQualityContainer.appendChild(signalQualityIcon);
+        infoCell.appendChild(signalQualityContainer);
+
+        // auth
+        const authList = {
+          0: "Open",
+          1: "WEP",
+          2: "WPA",
+          3: "WPA2",
+          4: "WPA/WPA2",
+          5: "WPA/WPA2 Enterprise",
+          6: "WPA3",
+          7: "WPA2/WPA3",
+          8: "WAPI",
+          9: "OWE",
+          10: "WPA3 Enterprise"
+        };
+        let authIcon = document.createElement("i");
+
+        if (result[i].auth == 0) {
+          authIcon.classList.add('icons-unlocked');
+        } else {
+          authIcon.classList.add('icons-locked');
+        }
+
+        let authContainer = document.createElement("span");
+        authContainer.setAttribute('data-tooltip', (result[i].auth in authList) ? authList[result[i].auth] : "unknown");
+        authContainer.appendChild(authIcon);
+        infoCell.appendChild(authContainer);
      }

      if (button) {
@@ -228,14 +270,14 @@ function setupRestoreBackupForm(formSelector) {
    event.preventDefault();

    if (button) {
-      button.textContent = 'Please wait...';
+      button.textContent = i18n('button.wait');
      button.setAttribute('disabled', true);
      button.setAttribute('aria-busy', true);
    }

    const onSuccess = (response) => {
      if (button) {
-        button.textContent = 'Restored';
+        button.textContent = i18n('button.restored');
        button.classList.add('success');
        button.removeAttribute('aria-busy');

@@ -249,7 +291,7 @@ function setupRestoreBackupForm(formSelector) {

    const onFailed = (response) => {
      if (button) {
-        button.textContent = 'Error';
+        button.textContent = i18n('button.error');
        button.classList.add('failed');
        button.removeAttribute('aria-busy');

@@ -395,7 +437,7 @@ function setupUpgradeForm(formSelector) {

  const onFailed = (response) => {
    if (button) {
-      button.textContent = 'Error';
+      button.textContent = i18n('button.error');
      button.classList.add('failed');
      button.removeAttribute('aria-busy');

@@ -410,8 +452,11 @@ function setupUpgradeForm(formSelector) {
  form.addEventListener('submit', async (event) => {
    event.preventDefault();

+    hide('.upgrade-firmware-result');
+    hide('.upgrade-filesystem-result');
+
    if (button) {
-      button.textContent = 'Uploading...';
+      button.textContent = i18n('button.uploading');
      button.setAttribute('disabled', true);
      button.setAttribute('aria-busy', true);
    }
@@ -437,157 +482,15 @@ function setupUpgradeForm(formSelector) {
  });
 }

-async function loadNetworkStatus() {
-  let response = await fetch('/api/network/status', { cache: 'no-cache' });
-  let result = await response.json();
-
-  setValue('.network-hostname', result.hostname);
-  setValue('.network-mac', result.mac);
-  setState('.network-connected', result.isConnected);
-  setValue('.network-ssid', result.ssid);
-  setValue('.network-signal', result.signalQuality);
-  setValue('.network-ip', result.ip);
-  setValue('.network-subnet', result.subnet);
-  setValue('.network-gateway', result.gateway);
-  setValue('.network-dns', result.dns);
-
-  setBusy('.main-busy', '.main-table', false);
-}
-
-async function loadNetworkSettings() {
-  let response = await fetch('/api/network/settings', { cache: 'no-cache' });
-  let result = await response.json();
-
-  setInputValue('.network-hostname', result.hostname);
-  setCheckboxValue('.network-use-dhcp', result.useDhcp);
-  setInputValue('.network-static-ip', result.staticConfig.ip);
-  setInputValue('.network-static-gateway', result.staticConfig.gateway);
-  setInputValue('.network-static-subnet', result.staticConfig.subnet);
-  setInputValue('.network-static-dns', result.staticConfig.dns);
-  setBusy('#network-settings-busy', '#network-settings', false);
-
-  setInputValue('.sta-ssid', result.sta.ssid);
-  setInputValue('.sta-password', result.sta.password);
-  setInputValue('.sta-channel', result.sta.channel);
-  setBusy('#sta-settings-busy', '#sta-settings', false);
-
-  setInputValue('.ap-ssid', result.ap.ssid);
-  setInputValue('.ap-password', result.ap.password);
-  setInputValue('.ap-channel', result.ap.channel);
-  setBusy('#ap-settings-busy', '#ap-settings', false);
-}
-
-async function loadSettings() {
-  let response = await fetch('/api/settings', { cache: 'no-cache' });
-  let result = await response.json();
-
-  setCheckboxValue('.system-debug', result.system.debug);
-  setCheckboxValue('.system-use-serial', result.system.useSerial);
-  setCheckboxValue('.system-use-telnet', result.system.useTelnet);
-  setBusy('#system-settings-busy', '#system-settings', false);
-
-  setCheckboxValue('.portal-use-auth', result.portal.useAuth);
-  setInputValue('.portal-login', result.portal.login);
-  setInputValue('.portal-password', result.portal.password);
-  setBusy('#portal-settings-busy', '#portal-settings', false);
-
-  setInputValue('.opentherm-in-gpio', result.opentherm.inGpio < 255 ? result.opentherm.inGpio : '');
-  setInputValue('.opentherm-out-gpio', result.opentherm.outGpio < 255 ? result.opentherm.outGpio : '');
-  setInputValue('.opentherm-member-id-code', result.opentherm.memberIdCode);
-  setCheckboxValue('.opentherm-dhw-present', result.opentherm.dhwPresent);
-  setCheckboxValue('.opentherm-sw-mode', result.opentherm.summerWinterMode);
-  setCheckboxValue('.opentherm-heating-ch2-enabled', result.opentherm.heatingCh2Enabled);
-  setCheckboxValue('.opentherm-heating-ch1-to-ch2', result.opentherm.heatingCh1ToCh2);
-  setCheckboxValue('.opentherm-dhw-to-ch2', result.opentherm.dhwToCh2);
-  setCheckboxValue('.opentherm-dhw-blocking', result.opentherm.dhwBlocking);
-  setCheckboxValue('.opentherm-sync-modulation-with-heating', result.opentherm.modulationSyncWithHeating);
-  setBusy('#opentherm-settings-busy', '#opentherm-settings', false);
-
-  setInputValue('.mqtt-server', result.mqtt.server);
-  setInputValue('.mqtt-port', result.mqtt.port);
-  setInputValue('.mqtt-user', result.mqtt.user);
-  setInputValue('.mqtt-password', result.mqtt.password);
-  setInputValue('.mqtt-prefix', result.mqtt.prefix);
-  setInputValue('.mqtt-interval', result.mqtt.interval);
-  setBusy('#mqtt-settings-busy', '#mqtt-settings', false);
-
-  setRadioValue('.outdoor-sensor-type', result.sensors.outdoor.type);
-  setInputValue('.outdoor-sensor-gpio', result.sensors.outdoor.gpio  < 255 ? result.sensors.outdoor.gpio : '');
-  setInputValue('.outdoor-sensor-offset', result.sensors.outdoor.offset);
-  setBusy('#outdoor-sensor-settings-busy', '#outdoor-sensor-settings', false);
-
-  setRadioValue('.indoor-sensor-type', result.sensors.indoor.type);
-  setInputValue('.indoor-sensor-gpio', result.sensors.indoor.gpio < 255 ? result.sensors.indoor.gpio : '');
-  setInputValue('.indoor-sensor-offset', result.sensors.indoor.offset);
-  setInputValue('.indoor-sensor-ble-addresss', result.sensors.indoor.bleAddresss);
-  setBusy('#indoor-sensor-settings-busy', '#indoor-sensor-settings', false);
-
-  setCheckboxValue('.extpump-use', result.externalPump.use);
-  setInputValue('.extpump-gpio', result.externalPump.gpio < 255 ? result.externalPump.gpio : '');
-  setInputValue('.extpump-pc-time', result.externalPump.postCirculationTime);
-  setInputValue('.extpump-as-interval', result.externalPump.antiStuckInterval);
-  setInputValue('.extpump-as-time', result.externalPump.antiStuckTime);
-  setBusy('#extpump-settings-busy', '#extpump-settings', false);
-}
-
-async function loadVars() {
-  let response = await fetch('/api/vars');
-  let result = await response.json();
-
-  setState('.ot-connected', result.states.otStatus);
-  setState('.ot-emergency', result.states.emergency);
-  setState('.ot-heating', result.states.heating);
-  setState('.ot-dhw', result.states.dhw);
-  setState('.ot-flame', result.states.flame);
-  setState('.ot-fault', result.states.fault);
-  setState('.ot-diagnostic', result.states.diagnostic);
-  setState('.ot-external-pump', result.states.externalPump);
-
-  setValue('.ot-modulation', result.sensors.modulation);
-  setValue('.ot-pressure', result.sensors.pressure);
-  setValue('.ot-dhw-flow-rate', result.sensors.dhwFlowRate);
-  setValue('.ot-fault-code', result.sensors.faultCode ? ("E" + result.sensors.faultCode) : "-");
-
-  setValue('.indoor-temp', result.temperatures.indoor);
-  setValue('.outdoor-temp', result.temperatures.outdoor);
-  setValue('.heating-temp', result.temperatures.heating);
-  setValue('.heating-setpoint-temp', result.parameters.heatingSetpoint);
-  setValue('.dhw-temp', result.temperatures.dhw);
-
-  setBusy('.ot-busy', '.ot-table', false);
-
-  setValue('.version', result.system.version);
-  setValue('.build-date', result.system.buildDate);
-  setValue('.uptime', result.system.uptime);
-  setValue('.uptime-days', Math.floor(result.system.uptime / 86400));
-  setValue('.uptime-hours', Math.floor(result.system.uptime % 86400 / 3600));
-  setValue('.uptime-min', Math.floor(result.system.uptime % 3600 / 60));
-  setValue('.uptime-sec', Math.floor(result.system.uptime % 60));
-  setValue('.total-heap', result.system.totalHeap);
-  setValue('.free-heap', result.system.freeHeap);
-  setValue('.min-free-heap', result.system.minFreeHeap);
-  setValue('.max-free-block-heap', result.system.maxFreeBlockHeap);
-  setValue('.min-max-free-block-heap', result.system.minMaxFreeBlockHeap);
-  setValue('.reset-reason', result.system.resetReason);
-  setState('.mqtt-connected', result.system.mqttConnected);
-
-  setBusy('.system-busy', '.system-table', false);
-}

 function setBusy(busySelector, contentSelector, value) {
-  let busy = document.querySelector(busySelector);
-  let content = document.querySelector(contentSelector);
-  if (!busy || !content) {
-    return;
-  }
-
  if (!value) {
-    busy.classList.add('hidden');
-    content.classList.remove('hidden');
+    hide(busySelector);
+    show(contentSelector);

  } else {
-    busy.classList.remove('hidden');
-    content.classList.add('hidden');
+    show(busySelector);
+    hide(contentSelector);
  }
 }

@@ -601,12 +504,14 @@ function setState(selector, value) {
 }

 function setValue(selector, value) {
-  let item = document.querySelector(selector);
-  if (!item) {
+  let items = document.querySelectorAll(selector);
+  if (!items.length) {
    return;
  }

-  item.innerHTML = value;
+  for (let item of items) {
+    item.innerHTML = value;
+  }
 }

 function setCheckboxValue(selector, value) {
@@ -629,25 +534,120 @@ function setRadioValue(selector, value) {
  }
 }

-function setInputValue(selector, value) {
-  let item = document.querySelector(selector);
-  if (!item) {
+function setInputValue(selector, value, attrs = {}) {
+  let items = document.querySelectorAll(selector);
+  if (!items.length) {
    return;
  }

-  item.value = value;
+  for (let item of items) {
+    item.value = value;
+
+    if (attrs instanceof Object) {
+      for (let attrKey of Object.keys(attrs)) {
+        item.setAttribute(attrKey, attrs[attrKey]);
+      }
+    }
+  }
 }

+function show(selector) {
+  let items = document.querySelectorAll(selector);
+  if (!items.length) {
+    return;
+  }

-function form2json(data) {
+  for (let item of items) {
+    if (item.classList.contains('hidden')) {
+      item.classList.remove('hidden');
+    }
+  }
+}
+
+function hide(selector) {
+  let items = document.querySelectorAll(selector);
+  if (!items.length) {
+    return;
+  }
+
+  for (let item of items) {
+    if (!item.classList.contains('hidden')) {
+      item.classList.add('hidden');
+    }
+  }
+}
+
+function unit2str(unitSystem, units = {}, defaultValue = '?') {
+  return (unitSystem in units) 
+    ? units[unitSystem] 
+    : defaultValue;
+}
+
+function temperatureUnit(unitSystem) {
+  return unit2str(unitSystem, {
+    0: "°C",
+    1: "°F"
+  });
+}
+
+function pressureUnit(unitSystem) {
+  return unit2str(unitSystem, {
+    0: "bar",
+    1: "psi"
+  });
+}
+
+function volumeUnit(unitSystem) {
+  return unit2str(unitSystem, {
+    0: "L",
+    1: "gal"
+  });
+}
+
+function memberIdToVendor(memberId) {
+  // https://github.com/Jeroen88/EasyOpenTherm/blob/main/src/EasyOpenTherm.h
+  // https://github.com/Evgen2/SmartTherm/blob/v0.7/src/Web.cpp
+  const vendorList = {
+    1:    "Baxi Fourtech/Luna 3",
+    2:    "AWB/Brink",
+    4:    "ATAG/Brötje/ELCO/GEMINOX",
+    5:    "Itho Daalderop",
+    6:    "IDEAL",
+    8:    "Buderus/Bosch/Hoval",
+    9:    "Ferroli",
+    11:   "Remeha/De Dietrich",
+    16:   "Unical",
+    24:   "Vaillant/Bulex",
+    27:   "Baxi",
+    29:   "Itho Daalderop",
+    33:   "Viessmann",
+    41:   "Italtherm",
+    56:   "Baxi Luna Duo-Tec",
+    131:  "Nefit",
+    148:  "Navien",
+    173:  "Intergas",
+    247:  "Baxi Ampera",
+    248:  "Zota Lux-X"
+  };
+  
+  return (memberId in vendorList) 
+    ? vendorList[memberId] 
+    : "unknown vendor";
+}
+
+function form2json(data, noCastItems = []) {
  let method = function (object, pair) {
    let keys = pair[0].replace(/\]/g, '').split('[');
    let key = keys[0];
    let value = pair[1];
-    if (value === 'true' || value === 'false') {
-      value = value === 'true';
-    } else if (typeof (value) === 'string' && value.trim() !== '' && !isNaN(value)) {
-      value = parseFloat(value);
+
+    if (!noCastItems.includes(keys.join('.'))) {
+      if (value === 'true' || value === 'false') {
+        value = value === 'true';
+
+      } else if (typeof (value) === 'string' && value.trim() !== '' && !isNaN(value)) {
+        value = parseFloat(value);
+      }
    }

    if (keys.length > 1) {
--- a/src_data/static/app.css
+++ b/src_data/static/app.css
@@ -1,80 +0,0 @@
-@media (min-width: 1280px) {
-	.container {
-		max-width: 1000px;
-	}
-}
-
-@media (min-width: 1536px) {
-	.container {
-		max-width: 1000px;
-	}
-}
-
-.hidden {
-	display: none !important;
-}
-
-header,
-main,
-footer {
-	padding-top: 1rem !important;
-	padding-bottom: 1rem !important;
-}
-
-article {
-	margin-bottom: 1rem;
-}
-
-footer {
-	text-align: center;
-}
-
-button.success {
-	background-color: var(--pico-form-element-valid-border-color);
-	border-color: var(--pico-form-element-valid-border-color);
-}
-
-button.failed {
-	background-color: var(--pico-form-element-invalid-border-color);
-	border-color: var(--pico-form-element-invalid-border-color);
-}
-
-tr.network:hover {
-	--pico-background-color: var(--pico-primary-focus);
-	cursor: pointer;
-}
-
-.greatSignal {
-	background-color: var(--pico-form-element-valid-border-color);
-}
-
-.normalSignal {
-	background-color: #e48500;
-}
-
-.badSignal {
-	background-color: var(--pico-form-element-invalid-border-color);
-}
-
-.primary {
-	border: 0.25rem solid var(--pico-form-element-invalid-border-color);
-	padding: 1rem;
-	margin-bottom: 1rem;
-}
-
-.logo {
-	display: inline-block;
-	padding: calc(var(--pico-nav-link-spacing-vertical) - var(--pico-border-width) * 2) var(--pico-nav-link-spacing-horizontal);
-	vertical-align: baseline;
-	line-height: var(--pico-line-height);
-	background-color: var(--pico-code-kbd-background-color);
-	border-radius: var(--pico-border-radius);
-  color: var(--pico-code-kbd-color);
-  font-weight: bolder;
-	font-size: 1.3rem;
-  font-family: var(--pico-font-family-monospace);
-}
-
-nav li a:has(> div.logo) {
-	margin-bottom: 0;
-}
--- a/src_data/static/pico.min.css
+++ b/src_data/static/pico.min.css
--- a/src_data/styles/app.css
+++ b/src_data/styles/app.css
@@ -0,0 +1,203 @@
+@media (min-width: 576px) {
+  article {
+    --pico-block-spacing-vertical: calc(var(--pico-spacing) * 0.75);
+    --pico-block-spacing-horizontal: calc(var(--pico-spacing) * 0.75);
+  }
+}
+
+@media (min-width: 768px) {
+  article {
+    --pico-block-spacing-vertical: var(--pico-spacing);
+    --pico-block-spacing-horizontal: var(--pico-spacing);
+  }
+}
+
+@media (min-width: 1024px) {
+  article {
+    --pico-block-spacing-vertical: calc(var(--pico-spacing) * 1.25);
+    --pico-block-spacing-horizontal: calc(var(--pico-spacing) * 1.25);
+  }
+}
+
+@media (min-width: 1280px) {
+  article {
+    --pico-block-spacing-vertical: calc(var(--pico-spacing) * 1.5);
+    --pico-block-spacing-horizontal: calc(var(--pico-spacing) * 1.5);
+  }
+
+  .container {
+    max-width: 1000px;
+  }
+}
+
+@media (min-width: 1536px) {
+  article {
+    --pico-block-spacing-vertical: calc(var(--pico-spacing) * 1.75);
+    --pico-block-spacing-horizontal: calc(var(--pico-spacing) * 1.75);
+  }
+
+  .container {
+    max-width: 1000px;
+  }
+}
+
+header,
+main,
+footer {
+  padding-top: 1rem !important;
+  padding-bottom: 1rem !important;
+}
+
+article {
+  margin-bottom: 1rem;
+}
+
+footer {
+  text-align: center;
+}
+
+/*nav li a:has(> div.logo) {
+  margin-bottom: 0;
+}*/
+nav li :where(a,[role=link]) {
+  margin: 0;
+}
+
+details>div {
+  padding: 0 var(--pico-form-element-spacing-horizontal);
+}
+
+pre {
+  padding: 0.5rem;
+}
+
+
+.hidden {
+  display: none !important;
+}
+
+button.success {
+  background-color: var(--pico-form-element-valid-border-color);
+  border-color: var(--pico-form-element-valid-border-color);
+}
+
+button.failed {
+  background-color: var(--pico-form-element-invalid-border-color);
+  border-color: var(--pico-form-element-invalid-border-color);
+}
+
+tr.network:hover {
+  --pico-background-color: var(--pico-primary-focus);
+  cursor: pointer;
+}
+
+.primary {
+  border: 0.25rem solid var(--pico-form-element-invalid-border-color);
+  padding: 1rem;
+  margin-bottom: 1rem;
+}
+
+.logo {
+  display: inline-block;
+  padding: calc(var(--pico-nav-link-spacing-vertical) - var(--pico-border-width) * 2) var(--pico-nav-link-spacing-horizontal);
+  vertical-align: baseline;
+  line-height: var(--pico-line-height);
+  background-color: var(--pico-code-kbd-background-color);
+  border-radius: var(--pico-border-radius);
+  color: var(--pico-code-kbd-color);
+  font-weight: bolder;
+  font-size: 1.3rem;
+  font-family: var(--pico-font-family-monospace);
+}
+
+.thermostat {
+  display: grid;
+  grid-template-columns: 0.5fr 2fr 0.5fr;
+  grid-template-rows: 0.25fr 1fr 0.25fr;
+  gap: 0px 0px;
+  grid-auto-flow: row;
+  justify-content: center;
+  justify-items: center;
+  grid-template-areas:
+    ". thermostat-header ."
+    "thermostat-minus thermostat-temp thermostat-plus"
+    "thermostat-control thermostat-control thermostat-control";
+
+  border: .25rem solid var(--pico-blockquote-border-color);
+  padding: 0.5rem;
+}
+
+.thermostat-header {
+  justify-self: center;
+  align-self: end;
+  grid-area: thermostat-header;
+
+  font-size: 1rem;
+  font-weight: bold;
+  border-bottom: .25rem solid var(--pico-primary-hover-border);
+  margin: 0 0 1rem 0;
+}
+
+.thermostat-temp {
+  display: grid;
+  grid-template-columns: 1fr;
+  grid-template-rows: 1fr 0.5fr;
+  gap: 0px 0px;
+  grid-auto-flow: row;
+  grid-template-areas:
+    "thermostat-temp-target"
+    "thermostat-temp-current";
+  grid-area: thermostat-temp;
+}
+
+.thermostat-temp-target {
+  justify-self: center;
+  align-self: center;
+  grid-area: thermostat-temp-target;
+
+  font-weight: bold;
+  font-size: 1.75rem;
+}
+
+.thermostat-temp-current {
+  justify-self: center;
+  align-self: start;
+  grid-area: thermostat-temp-current;
+
+  color: var(--pico-secondary);
+  font-size: 0.85rem;
+}
+
+.thermostat-minus {
+  justify-self: end;
+  align-self: center;
+  grid-area: thermostat-minus;
+}
+
+.thermostat-plus {
+  justify-self: start;
+  align-self: center;
+  grid-area: thermostat-plus;
+}
+
+.thermostat-control {
+  justify-self: center;
+  align-self: start;
+  grid-area: thermostat-control;
+
+  margin: 1.25rem 0;
+}
+
+[class*=" icons-"],
+[class=icons],
+[class^=icons-] {
+  font-size: 1.35rem;
+}
+
+*:has(> [class*=" icons-"], > [class=icons], > [class^=icons-]):has(+ * > [class*=" icons-"], + * > [class=icons], + * > [class^=icons-]) {
+  margin: 0 0.5rem 0 0;
+}
+
+[data-tooltip]:has(> [class*=" icons-"], > [class=icons], > [class^=icons-]) {
+  border: 0 !important;
+}
--- a/src_data/styles/iconly.css
+++ b/src_data/styles/iconly.css
@@ -0,0 +1,68 @@
+/*!
+ *  Icons icon font. Generated by Iconly: https://iconly.io/
+ */
+
+@font-face {
+  font-display: auto;
+  font-family: "Icons";
+  font-style: normal;
+  font-weight: 400;
+  src: url("/static/fonts/iconly.eot?1718563596894");
+  src: url("/static/fonts/iconly.eot?#iefix") format("embedded-opentype"), url("/static/fonts/iconly.woff2?1718563596894") format("woff2"), url("/static/fonts/iconly.woff?1718563596894") format("woff"), url("/static/fonts/iconly.ttf?1718563596894") format("truetype"), url("/static/fonts/iconly.svg?1718563596894#Icons") format("svg");
+}
+
+[class="icons"], [class^="icons-"], [class*=" icons-"] {
+  display: inline-block;
+  font-family: "Icons" !important;
+  font-weight: 400;
+  font-style: normal;
+  font-variant: normal;
+  text-rendering: auto;
+  line-height: 1;
+  -moz-osx-font-smoothing: grayscale;
+  -webkit-font-smoothing: antialiased;
+}
+
+.icons-plus:before {
+  content: "\e000";
+}
+
+.icons-minus:before {
+  content: "\e001";
+}
+
+.icons-unlocked:before {
+  content: "\e002";
+}
+
+.icons-locked:before {
+  content: "\e003";
+}
+
+.icons-wifi-strength-1:before {
+  content: "\e004";
+}
+
+.icons-wifi-strength-0:before {
+  content: "\e005";
+}
+
+.icons-wifi-strength-2:before {
+  content: "\e006";
+}
+
+.icons-wifi-strength-3:before {
+  content: "\e008";
+}
+
+.icons-down:before {
+  content: "\e009";
+}
+
+.icons-wifi-strength-4:before {
+  content: "\e00a";
+}
+
+.icons-up:before {
+  content: "\e00c";
+}
--- a/src_data/styles/pico.min.css
+++ b/src_data/styles/pico.min.css
--- a/tools/build.py
+++ b/tools/build.py
@@ -1,4 +1,5 @@
 import shutil
+import gzip
 import os
 Import("env")

@@ -12,6 +13,30 @@ def post_build(source, target, env):
  env.Execute("pio run --target buildfs --environment %s" % env["PIOENV"]);


+def before_buildfs(source, target, env):
+  env.Execute("npm install --silent")
+  env.Execute("npx gulp build_all --no-deprecation")
+"""
+  src = os.path.join(env["PROJECT_DIR"], "src_data")
+  dst = os.path.join(env["PROJECT_DIR"], "data")
+
+  for root, dirs, files in os.walk(src, topdown=False):
+    for name in files:
+      src_path = os.path.join(root, name)
+
+      with open(src_path, 'rb') as f_in:
+          dst_name = name + ".gz"
+          dst_path = os.path.join(dst, os.path.relpath(root, src), dst_name)
+
+          if os.path.exists(os.path.join(dst, os.path.relpath(root, src))) == False:
+            os.mkdir(os.path.join(dst, os.path.relpath(root, src)))
+
+          with gzip.open(dst_path, 'wb', 9) as f_out:
+            shutil.copyfileobj(f_in, f_out)
+          
+          print("Compressed '%s' to '%s'" % (src_path, dst_path))
+"""
+
 def after_buildfs(source, target, env):
  copy_to_build_dir({
    source[0].get_abspath(): "filesystem_%s_%s.bin" % (env["PIOENV"], env.GetProjectOption("version")),
@@ -31,4 +56,6 @@ def copy_to_build_dir(files, build_dir):


 env.AddPostAction("buildprog", post_build)
+env.AddPreAction("$BUILD_DIR/spiffs.bin", before_buildfs)
+env.AddPreAction("$BUILD_DIR/littlefs.bin", before_buildfs)
 env.AddPostAction("buildfs", after_buildfs)
Author	SHA1	Message	Date
Yurii	ca3c318d8f	chore: bump version	2024-06-21 02:05:34 +03:00
Yurii	2648918dda	feat: added multilanguage for portal	2024-06-21 02:01:38 +03:00
Yurii	8b50fdec21	fix: fix typo	2024-06-20 06:41:32 +03:00
Yurii	5b6e23251a	fix: use static IP at startup fixed #70	2024-06-18 10:25:58 +03:00
Yurii	769daa0857	chore: bump version to 1.4.2	2024-06-15 03:03:50 +03:00
Yurii	76979531b8	feat: added more info about the build to the portal	2024-06-15 03:03:31 +03:00
Yurii	7779076498	refactor: optimizing work with network	2024-06-14 18:18:43 +03:00
Yurii	45e2e0334e	chore: added nodemcu v3 board; changed default gpio for nodemcu 32s	2024-06-14 18:17:12 +03:00
Yurii	b631b496cb	chore: bump version to 1.4.1	2024-06-13 17:15:37 +03:00
Yurii	36328a1db5	refactor: NetworkMgr code optimization	2024-06-13 17:09:41 +03:00
Yurii	a28c7f67b5	chore: added min version of espressif8266 for build #68	2024-06-13 17:07:53 +03:00
Yurii	bb9b6a5f4c	fix: casting types in setupForm fixed #61	2024-06-11 20:19:54 +03:00
Yurii	ce7bd7e23b	feat: migrate to arduino-esp32 core 3.0.1	2024-06-10 16:20:03 +03:00
Yurii	249d32ce35	chore: more info when scan wifi	2024-06-10 14:55:14 +03:00
Yurii	baf8adfb02	fix: validation GPIO and reset wifi for arduino-esp32 core 3.x.x fixed	2024-06-06 16:37:57 +03:00
Yurii	018a1c5188	fix: set ssid on portal fixed	2024-06-06 02:56:19 +03:00
Yurii	b600c130f0	fix: conflicts with sdk 3.x.x for esp32 fixed	2024-06-05 23:11:27 +03:00
Yurii	59eb05726a	chore: bump platformio/framework-arduinoespressif32 to 2.0.17	2024-05-26 23:22:19 +03:00
Yurii	f245f37dfd	chore: bump version	2024-05-26 17:41:12 +03:00
Yurii	a825412f37	feat: added fault state GPIO setting	2024-05-25 02:51:10 +03:00
Yurii	935f8bd0a8	fix: outdoor sensor GPIO validation fixed	2024-05-25 00:17:55 +03:00
Yurii	f78d2f38b8	fix: equitherm with BLE indoor sensor in emergency mode fixed	2024-04-25 13:38:03 +03:00
Yurii	ef083991e3	feat: added board info on portal	2024-04-23 10:30:42 +03:00
Yurii	3c0f846335	fix: added set target indoor temp to CH2 for native heating control #58	2024-04-23 08:13:03 +03:00
Yurii	85011ce4ea	chore: bump version	2024-04-22 08:19:41 +03:00
Yurii	8687e122ca	feat: added native heating control by boiler; refactoring; emergency settings removed from HA	2024-04-22 08:18:59 +03:00
Yurii	d35ea81080	fix: PID optimization, correction of default PID settings	2024-04-18 00:04:23 +03:00
Yurii	cca8ec58b4	fix: fix radio on settings page (portal)	2024-04-16 18:58:28 +03:00
Yurii	301b14bbd4	chore: bump version	2024-04-15 15:07:28 +03:00
Yurii	41ce9b268e	fix: fix set heating temp on ITALTHERM TIME MAX 30F	2024-04-15 15:00:41 +03:00
Yurii	646939179e	fix: serial on s2, s3 fixed	2024-04-15 05:49:46 +03:00
Yurii	73dddd18f0	fix: scan networks on s3 fixed	2024-04-15 02:47:42 +03:00
Yurii	f069de0415	chore: fix typo	2024-04-12 21:47:09 +03:00
Yurii	f4a4afeb29	chore: bump version	2024-04-12 20:47:02 +03:00
Yurii	f9824337dc	chore: delete .gz files	2024-04-12 20:39:56 +03:00
Yurii	1cd8c6a336	chore: html files moved to src_data dir; compression files	2024-04-12 04:13:44 +03:00
Yurii	63228baebd	chore: auto file compression when building a FS	2024-04-12 04:10:55 +03:00
Yurii	6bb261dfd7	feat: ability to use compressed files for StaticPage	2024-04-12 04:08:28 +03:00
Yurii	a026a962f0	fix: fixed thermostat temperature limits for different unit systems on dashboard	2024-04-12 02:03:43 +03:00
Yurii	db2faad741	feat: added Italtherm to vendor list	2024-04-12 01:58:33 +03:00
Yurii	fbc43dc535	feat: added settings for status led gpio, opentherm rx led gpio, emergency treshold time	2024-04-11 23:53:15 +03:00
Yurii	31dfc21d69	refactor: added info for emergency mode in settings	2024-04-11 04:38:12 +03:00
Yurii	96289cb0f7	fix: reset onewire before begin (fix DS18B20)	2024-04-11 04:09:11 +03:00
Yurii	73da3ee07a	fix: fixing button groups on the mobile version	2024-04-11 03:13:39 +03:00
Yurii	a14281924f	chore: bump version	2024-04-11 03:08:35 +03:00
Yurii	3dec390cce	feat: many features * added dashboard on portal * added settings for serial port and telnet * added on/off settings for mqtt * added event selection for emergency mode * refactor html & css	2024-04-11 03:06:56 +03:00
Yurii	9a29819d4f	refactor: reworked layout and styles of the portal	2024-04-08 05:37:36 +03:00
Yurii	2af159d566	chore: updated css framework	2024-04-07 23:00:22 +03:00
Yurii	92ca257d32	feat: added slave parameters to index page on portal; added poll ID125 (opentherm protocol version)	2024-04-07 22:59:43 +03:00
Yurii	44b6620431	fix: rounding the DHW flow rate value	2024-04-07 19:22:15 +03:00
Yurii	b89f61ed58	chore: bump version	2024-04-06 20:28:41 +03:00
Yurii	ab1566bd45	fix: memory leak on esp32 fixed	2024-04-06 20:28:05 +03:00
Yurii	86734ab622	refactor: update portal (unit system)	2024-04-06 18:25:30 +03:00
Yurii	0a8dd2a076	feat: added support unit systems for pressure and flow rate	2024-04-06 18:19:06 +03:00
Yurii	a7a561622e	Merge branch 'unit-system'	2024-04-06 17:38:24 +03:00
Yurii	b0e0f6fd7d	feat: added setting to enable/disable polling of min and max temperatures via opentherm	2024-04-06 15:51:49 +03:00
Yurii	53eaa1d7f1	chore: bump version	2024-04-04 21:26:48 +03:00
Yurii	a7d796e0cc	refactor: removed unused methods, replaced some methods to native	2024-03-31 22:29:53 +03:00
Yurii	4490b38130	fix: fixed reading exhaust gas temperature	2024-03-31 19:41:33 +03:00
Yurii	0ede2240a2	fix: temperature_unit for climate fixed; temp in vars.parameters.* by default fixed	2024-03-31 07:29:32 +03:00
Yurii	0cff35ee12	feat: update portal for unit systems	2024-03-31 06:32:23 +03:00
Yurii	14aef20234	fix: typo for HA_TEMPERATURE_UNIT	2024-03-31 02:49:36 +03:00
Yurii	560f8fbd51	feat: optimizing with different unit systems	2024-03-31 02:47:20 +03:00
Yurii	946414ad31	Merge branch 'master' into unit-system	2024-03-31 01:02:59 +03:00
Yurii	39a29042e1	fix: set max temp (ID57) as setpoint heating temp	2024-03-31 00:37:18 +03:00
Yurii	f544f01caa	feat: polling of exhaust gas temperature (#42 ) and heating return temperature; added new sensors to HA	2024-03-30 00:04:51 +03:00
Yurii	41cca76bfa	chore: update README	2024-03-24 20:38:02 +03:00
Yurii	942bc53043	chore: bump version	2024-03-24 19:28:26 +03:00
Yurii	1bad689b6b	fix: revert board_build.ldscript for esp8266, update OpenTherm Library	2024-03-24 19:27:16 +03:00
Yurii	2f4dbcc205	feat: added unit system selection	2024-03-20 02:37:20 +03:00
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