chore: bump version

feat: added fault state GPIO setting
fix: outdoor sensor GPIO validation fixed
2025-12-11 18:54:28 +05:00 · 2024-05-26 17:41:12 +03:00 · 2024-05-25 02:51:10 +03:00 · 2024-05-25 00:17:55 +03:00 · 2024-04-25 13:38:03 +03:00 · 2024-04-23 10:30:42 +03:00
36 changed files with 4111 additions and 2105 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 .pio
 .vscode
 build/*.bin
+data/**/*.gz
 secrets.ini
 !.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)
@@ -16,7 +16,7 @@
   - PID
   - Equithermic curves - adjusts the temperature based on indoor and outdoor temperatures
 - Hysteresis setting (for accurate maintenance of room temperature)
- Ability to connect an external sensors to monitor outdoor and indoor temperature ([compatible sensors](#compatible-temperature-sensors))
+- Ability to connect an external sensors to monitor outdoor and indoor temperature ([compatible sensors](https://github.com/Laxilef/OTGateway/wiki/Compatibility#temperature-sensors))
 - Emergency mode. If the Wi-Fi connection is lost or the gateway cannot connect to the MQTT server, the mode will turn on. This mode will automatically maintain the set temperature and prevent your home from freezing. In this mode it is also possible to use equithermal curves (weather-compensated control).
 - Automatic error reset (not with all boilers)
 - Diagnostics:
@@ -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)
@@ -72,7 +71,7 @@ All available information and instructions can be found in the wiki:
 - [ESP32Scheduler](https://github.com/laxilef/ESP32Scheduler) (for ESP32)
 - [ArduinoJson](https://github.com/bblanchon/ArduinoJson)
 - [OpenTherm Library](https://github.com/ihormelnyk/opentherm_library)
- [ArduinoMqttClient](https://github.com/arduino-libraries/ArduinoMqttClient) /
+- [ArduinoMqttClient](https://github.com/arduino-libraries/ArduinoMqttClient)
 - [ESPTelnet](https://github.com/LennartHennigs/ESPTelnet)
 - [FileData](https://github.com/GyverLibs/FileData)
 - [GyverPID](https://github.com/GyverLibs/GyverPID)
--- 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/issue" 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/settings.html
+++ b/data/settings.html
@@ -1,357 +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-pin">
-              In GPIO
-              <input type="number" inputmode="numeric" class="opentherm-in-pin" name="opentherm[inPin]" min="0" max="99" step="1" required>
-            </label>
-            <label for="opentherm-in-pin">
-              Out GPIO
-              <input type="number" inputmode="numeric" class="opentherm-out-pin" name="opentherm[outPin]" min="0" max="99" step="1" required>
-            </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>
-            <mark>After changing GPIO, the ESP must be restarted for the changes to take effect.</mark>
-          </fieldset>
-
-          <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-pin">
-            GPIO
-            <input type="number" inputmode="numeric" class="outdoor-sensor-pin" name="sensors[outdoor][pin]" min="0" max="99" step="1" required>
-          </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-pin">
-            GPIO
-            <input type="number" inputmode="numeric" class="indoor-sensor-pin" name="sensors[indoor][pin]" min="0" max="99" step="1" required>
-          </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-pin">
-              Relay GPIO
-              <input type="number" inputmode="numeric" class="extpump-pin" name="externalPump[pin]" min="0" max="99" step="1" required>
-            </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/issue" 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/lib/CustomOpenTherm/CustomOpenTherm.h
+++ b/lib/CustomOpenTherm/CustomOpenTherm.h
@@ -8,6 +8,7 @@ public:
  typedef std::function<void(unsigned long, unsigned long, OpenThermResponseStatus, byte)> AfterSendRequestCallback;

  CustomOpenTherm(int inPin = 4, int outPin = 5, bool isSlave = false) : OpenTherm(inPin, outPin, isSlave) {}
+  ~CustomOpenTherm() {}

  CustomOpenTherm* setYieldCallback(YieldCallback callback = nullptr) {
    this->yieldCallback = callback;
@@ -46,7 +47,7 @@ public:

    unsigned long _response;
    OpenThermResponseStatus _responseStatus = OpenThermResponseStatus::NONE;
-    if (!this->sendRequestAync(request)) {
+    if (!this->sendRequestAsync(request)) {
      _response = 0;

    } else {
@@ -88,7 +89,7 @@ public:
      | (dhwBlocking << 6);
    data <<= 8;

-    return this->sendRequest(this->buildRequest(
+    return this->sendRequest(buildRequest(
      OpenThermMessageType::READ_DATA,
      OpenThermMessageID::Status,
      data
@@ -96,30 +97,60 @@ public:
  }

  bool setHeatingCh1Temp(float temperature) {
-    unsigned long response = this->sendRequest(this->buildRequest(
+    unsigned long response = this->sendRequest(buildRequest(
      OpenThermMessageType::WRITE_DATA,
      OpenThermMessageID::TSet,
-      this->temperatureToData(temperature)
+      temperatureToData(temperature)
    ));

    return isValidResponse(response);
  }

  bool setHeatingCh2Temp(float temperature) {
-    unsigned long response = this->sendRequest(this->buildRequest(
+    unsigned long response = this->sendRequest(buildRequest(
      OpenThermMessageType::WRITE_DATA,
      OpenThermMessageID::TsetCH2,
-      this->temperatureToData(temperature)
+      temperatureToData(temperature)
    ));

    return isValidResponse(response);
  }

  bool setDhwTemp(float temperature) {
-    unsigned long response = this->sendRequest(this->buildRequest(
+    unsigned long response = this->sendRequest(buildRequest(
      OpenThermMessageType::WRITE_DATA,
      OpenThermMessageID::TdhwSet,
-      this->temperatureToData(temperature)
+      temperatureToData(temperature)
+    ));
+
+    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);
@@ -128,9 +159,9 @@ public:
  bool sendBoilerReset() {
    unsigned int data = 1;
    data <<= 8;
-    unsigned long response = this->sendRequest(this->buildRequest(
+    unsigned long response = this->sendRequest(buildRequest(
      OpenThermMessageType::WRITE_DATA,
-      OpenThermMessageID::Command,
+      OpenThermMessageID::RemoteRequest,
      data
    ));

@@ -140,9 +171,9 @@ public:
  bool sendServiceReset() {
    unsigned int data = 10;
    data <<= 8;
-    unsigned long response = this->sendRequest(this->buildRequest(
+    unsigned long response = this->sendRequest(buildRequest(
      OpenThermMessageType::WRITE_DATA,
-      OpenThermMessageID::Command,
+      OpenThermMessageID::RemoteRequest,
      data
    ));

@@ -152,9 +183,9 @@ public:
  bool sendWaterFilling() {
    unsigned int data = 2;
    data <<= 8;
-    unsigned long response = this->sendRequest(this->buildRequest(
+    unsigned long response = this->sendRequest(buildRequest(
      OpenThermMessageType::WRITE_DATA,
-      OpenThermMessageID::Command,
+      OpenThermMessageID::RemoteRequest,
      data
    ));

@@ -162,24 +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/Network/NetworkManager.h
+++ b/lib/Network/NetworkManager.h
@@ -67,7 +67,7 @@ namespace Network {
      return this;
    }

-    Manager* setStaticConfig(IPAddress &ip, IPAddress &gateway, IPAddress &subnet, IPAddress &dns) {
+    Manager* setStaticConfig(IPAddress& ip, IPAddress& gateway, IPAddress& subnet, IPAddress& dns) {
      this->staticIp = ip;
      this->staticGateway = gateway;
      this->staticSubnet = subnet;
@@ -181,7 +181,12 @@ namespace Network {
      wifi_station_dhcpc_set_maxtry(5);
      #endif

+      #ifdef ARDUINO_ARCH_ESP32
+      // Nothing. Because memory leaks when turn off WiFi on ESP32, bug?
+      return true;
+      #else
      return WiFi.mode(WIFI_OFF);
+      #endif
    }

    void reconnect() {
@@ -328,12 +333,12 @@ namespace Network {
        } else if (!this->isConnecting() && this->hasStaCredentials() && (!this->prevReconnectingTime || millis() - this->prevReconnectingTime > this->reconnectInterval)) {
          Log.sinfoln(FPSTR(L_NETWORK), F("Try connect..."));

-          this->reconnectFlag = false;        
+          this->reconnectFlag = false;
          Connection::reset();
          if (!this->connect(true, this->connectionTimeout)) {
            Log.straceln(FPSTR(L_NETWORK), F("Connection failed. Status: %d, reason: %d"), Connection::getStatus(), Connection::getDisconnectReason());
          }
-          
+
          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/lib/WebServerHandlers/UpgradeHandler.h
+++ b/lib/WebServerHandlers/UpgradeHandler.h
@@ -174,7 +174,7 @@ public:
        Log.serrorln(
          FPSTR(L_PORTAL_OTA),
          F("File '%s', on writing %d bytes: %s"),
-          upload.filename.c_str(), upload.totalSize, result->error
+          upload.filename.c_str(), upload.totalSize, result->error.c_str()
        );

      } else {
--- a/platformio.ini
+++ b/platformio.ini
@@ -15,9 +15,9 @@ extra_configs = secrets.default.ini
 [env]
 framework = arduino
 lib_deps = 
-	bblanchon/ArduinoJson@^7.0.3
-	;ihormelnyk/OpenTherm Library@^1.1.4
-	https://github.com/Laxilef/opentherm_library/archive/refs/heads/fix_start_bit.zip
+	bblanchon/ArduinoJson@^7.0.4
+	;ihormelnyk/OpenTherm Library@^1.1.5
+	https://github.com/Laxilef/opentherm_library/archive/refs/heads/fix_lambda.zip
 	arduino-libraries/ArduinoMqttClient@^0.1.8
 	lennarthennigs/ESP Telnet@^2.2
 	gyverlibs/FileData@^1.0.2
@@ -27,47 +27,49 @@ lib_deps =
 	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 USE_SERIAL=${secrets.use_serial}
 	-D USE_TELNET=${secrets.use_telnet}
 	-D DEBUG_BY_DEFAULT=${secrets.debug}
-	-D HOSTNAME_DEFAULT='"${secrets.hostname}"'
-	-D AP_SSID_DEFAULT='"${secrets.ap_ssid}"'
-	-D AP_PASSWORD_DEFAULT='"${secrets.ap_password}"'
-	-D STA_SSID_DEFAULT='"${secrets.sta_ssid}"'
-	-D STA_PASSWORD_DEFAULT='"${secrets.sta_password}"'
-	-D PORTAL_LOGIN_DEFAULT='"${secrets.portal_login}"'
-	-D PORTAL_PASSWORD_DEFAULT='"${secrets.portal_password}"'
-	-D MQTT_SERVER_DEFAULT='"${secrets.mqtt_server}"'
-	-D MQTT_PORT_DEFAULT=${secrets.mqtt_port}
-	-D MQTT_USER_DEFAULT='"${secrets.mqtt_user}"'
-	-D MQTT_PASSWORD_DEFAULT='"${secrets.mqtt_password}"'
-	-D MQTT_PREFIX_DEFAULT='"${secrets.mqtt_prefix}"'
+	-D DEFAULT_HOSTNAME='"${secrets.hostname}"'
+	-D DEFAULT_AP_SSID='"${secrets.ap_ssid}"'
+	-D DEFAULT_AP_PASSWORD='"${secrets.ap_password}"'
+	-D DEFAULT_STA_SSID='"${secrets.sta_ssid}"'
+	-D DEFAULT_STA_PASSWORD='"${secrets.sta_password}"'
+	-D DEFAULT_PORTAL_LOGIN='"${secrets.portal_login}"'
+	-D DEFAULT_PORTAL_PASSWORD='"${secrets.portal_password}"'
+	-D DEFAULT_MQTT_SERVER='"${secrets.mqtt_server}"'
+	-D DEFAULT_MQTT_PORT=${secrets.mqtt_port}
+	-D DEFAULT_MQTT_USER='"${secrets.mqtt_user}"'
+	-D DEFAULT_MQTT_PASSWORD='"${secrets.mqtt_password}"'
+	-D DEFAULT_MQTT_PREFIX='"${secrets.mqtt_prefix}"'
 upload_speed = 921600
 monitor_speed = 115200
 monitor_filters = direct
 board_build.flash_mode = dio
 board_build.filesystem = littlefs
-version = 1.4.0-rc.15
+version = 1.4.0

 ; Defaults
 [esp8266_defaults]
 platform = espressif8266
 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
+platform = espressif32@^6.6
+platform_packages =
+  platformio/framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32/archive/refs/tags/2.0.15.zip
 board_build.partitions = esp32_partitions.csv
 lib_deps =
 	${env.lib_deps}
@@ -91,12 +93,12 @@ extra_scripts = ${esp8266_defaults.extra_scripts}
 board_build.ldscript = ${esp8266_defaults.board_build.ldscript}
 build_flags = 
 	${esp8266_defaults.build_flags}
-	-D OT_IN_PIN_DEFAULT=4
-	-D OT_OUT_PIN_DEFAULT=5
-	-D SENSOR_OUTDOOR_PIN_DEFAULT=12
-	-D SENSOR_INDOOR_PIN_DEFAULT=14
-	-D LED_STATUS_PIN=13
-	-D LED_OT_RX_PIN=15
+	-D DEFAULT_OT_IN_GPIO=4
+	-D DEFAULT_OT_OUT_GPIO=5
+	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
+	-D DEFAULT_SENSOR_INDOOR_GPIO=14
+	-D DEFAULT_STATUS_LED_GPIO=13
+	-D DEFAULT_OT_RX_LED_GPIO=15

 [env:d1_mini_lite]
 platform = ${esp8266_defaults.platform}
@@ -107,12 +109,12 @@ extra_scripts = ${esp8266_defaults.extra_scripts}
 board_build.ldscript = ${esp8266_defaults.board_build.ldscript}
 build_flags = 
 	${esp8266_defaults.build_flags}
-	-D OT_IN_PIN_DEFAULT=4
-	-D OT_OUT_PIN_DEFAULT=5
-	-D SENSOR_OUTDOOR_PIN_DEFAULT=12
-	-D SENSOR_INDOOR_PIN_DEFAULT=14
-	-D LED_STATUS_PIN=13
-	-D LED_OT_RX_PIN=15
+	-D DEFAULT_OT_IN_GPIO=4
+	-D DEFAULT_OT_OUT_GPIO=5
+	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
+	-D DEFAULT_SENSOR_INDOOR_GPIO=14
+	-D DEFAULT_STATUS_LED_GPIO=13
+	-D DEFAULT_OT_RX_LED_GPIO=15

 [env:d1_mini_pro]
 platform = ${esp8266_defaults.platform}
@@ -123,31 +125,37 @@ extra_scripts = ${esp8266_defaults.extra_scripts}
 board_build.ldscript = ${esp8266_defaults.board_build.ldscript}
 build_flags = 
 	${esp8266_defaults.build_flags}
-	-D OT_IN_PIN_DEFAULT=4
-	-D OT_OUT_PIN_DEFAULT=5
-	-D SENSOR_OUTDOOR_PIN_DEFAULT=12
-	-D SENSOR_INDOOR_PIN_DEFAULT=14
-	-D LED_STATUS_PIN=13
-	-D LED_OT_RX_PIN=15
+	-D DEFAULT_OT_IN_GPIO=4
+	-D DEFAULT_OT_OUT_GPIO=5
+	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
+	-D DEFAULT_SENSOR_INDOOR_GPIO=14
+	-D DEFAULT_STATUS_LED_GPIO=13
+	-D DEFAULT_OT_RX_LED_GPIO=15

 [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 OT_IN_PIN_DEFAULT=33
-	-D OT_OUT_PIN_DEFAULT=35
-	-D SENSOR_OUTDOOR_PIN_DEFAULT=9
-	-D SENSOR_INDOOR_PIN_DEFAULT=7
-	-D LED_STATUS_PIN=11
-	-D LED_OT_RX_PIN=12
+	-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 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 +163,24 @@ 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 OT_IN_PIN_DEFAULT=35
-	-D OT_OUT_PIN_DEFAULT=36
-	-D SENSOR_OUTDOOR_PIN_DEFAULT=13
-	-D SENSOR_INDOOR_PIN_DEFAULT=12
-	-D LED_STATUS_PIN=11
-	-D LED_OT_RX_PIN=10
+	-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 DEFAULT_STATUS_LED_GPIO=11
+	-D DEFAULT_OT_RX_LED_GPIO=10

 [env:c3_mini] 
 platform = ${esp32_defaults.platform}
+platform_packages =
+    platformio/framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32/archive/refs/tags/2.0.15.zip
 board = lolin_c3_mini
 board_build.partitions = ${esp32_defaults.board_build.partitions}
 lib_deps = 
@@ -179,15 +193,16 @@ build_unflags =
 build_flags = 
 	${esp32_defaults.build_flags}
 	-D USE_BLE=1
-	-D OT_IN_PIN_DEFAULT=8
-	-D OT_OUT_PIN_DEFAULT=10
-	-D SENSOR_OUTDOOR_PIN_DEFAULT=0
-	-D SENSOR_INDOOR_PIN_DEFAULT=1
-	-D LED_STATUS_PIN=4
-	-D LED_OT_RX_PIN=5
+	-D DEFAULT_OT_IN_GPIO=8
+	-D DEFAULT_OT_OUT_GPIO=10
+	-D DEFAULT_SENSOR_OUTDOOR_GPIO=0
+	-D DEFAULT_SENSOR_INDOOR_GPIO=1
+	-D DEFAULT_STATUS_LED_GPIO=4
+	-D DEFAULT_OT_RX_LED_GPIO=5

 [env:nodemcu_32s]
 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 +213,17 @@ extra_scripts = ${esp32_defaults.extra_scripts}
 build_flags = 
 	${esp32_defaults.build_flags}
 	-D USE_BLE=1
-	-D OT_IN_PIN_DEFAULT=21
-	-D OT_OUT_PIN_DEFAULT=22
-	-D SENSOR_OUTDOOR_PIN_DEFAULT=12
-	-D SENSOR_INDOOR_PIN_DEFAULT=13
-	-D LED_STATUS_PIN=2 ; 18
-	-D LED_OT_RX_PIN=19
+	-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 DEFAULT_STATUS_LED_GPIO=2 ; 18
+	-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 = 
@@ -218,9 +234,9 @@ extra_scripts = ${esp32_defaults.extra_scripts}
 build_flags = 
 	${esp32_defaults.build_flags}
 	-D USE_BLE=1
-	-D OT_IN_PIN_DEFAULT=21
-	-D OT_OUT_PIN_DEFAULT=22
-	-D SENSOR_OUTDOOR_PIN_DEFAULT=12
-	-D SENSOR_INDOOR_PIN_DEFAULT=18
-	-D LED_STATUS_PIN=2
-	-D LED_OT_RX_PIN=19
+	-D DEFAULT_OT_IN_GPIO=21
+	-D DEFAULT_OT_OUT_GPIO=22
+	-D DEFAULT_SENSOR_OUTDOOR_GPIO=12
+	-D DEFAULT_SENSOR_INDOOR_GPIO=18
+	-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
@@ -27,7 +27,6 @@ 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;
@@ -51,17 +50,7 @@ protected:
    return 3;
  }

-  void setup() {
-    #ifdef LED_STATUS_PIN
-      pinMode(LED_STATUS_PIN, OUTPUT);
-      digitalWrite(LED_STATUS_PIN, LOW);
-    #endif
-
-    if (settings.externalPump.pin != 0) {
-      pinMode(settings.externalPump.pin, OUTPUT);
-      digitalWrite(settings.externalPump.pin, LOW);
-    }
-  }
+  void setup() {}

  void loop() {
    network->loop();
@@ -89,20 +78,31 @@ protected:
      Log.sinfoln(FPSTR(L_MAIN), F("Restart signal received. Restart after 10 sec."));
    }

-    if (!tOt->isEnabled() && settings.opentherm.inPin > 0 && settings.opentherm.outPin > 0 && settings.opentherm.inPin != settings.opentherm.outPin) {
-      tOt->enable();
+    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()) {
-      vars.sensors.rssi = WiFi.RSSI();
-
      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) {
@@ -126,12 +126,12 @@ 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"));
        }
@@ -140,9 +140,7 @@ protected:
    this->yield();


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

@@ -211,16 +209,32 @@ protected:
    }
  }

-  void ledStatus(uint8_t ledPin) {
+  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(ledPin);
-      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()) {
@@ -247,14 +261,14 @@ protected:
    if (!this->blinker->running() && millis() - endBlinkTime >= 5000) {
      if (errCount == 0) {
        if (!ledOn) {
-          digitalWrite(ledPin, HIGH);
+          digitalWrite(configuredGpio, HIGH);
          ledOn = true;
        }

        return;

      } else if (ledOn) {
-        digitalWrite(ledPin, LOW);
+        digitalWrite(configuredGpio, LOW);
        ledOn = false;
        endBlinkTime = millis();
        return;
@@ -275,6 +289,34 @@ 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();
@@ -283,11 +325,9 @@ protected:
      this->heatingEnabled = true;
    }
    
-    if (!settings.externalPump.use || settings.externalPump.pin == 0) {
+    if (!settings.externalPump.use) {
      if (vars.states.externalPump) {
-        if (settings.externalPump.pin != 0) {
-          digitalWrite(settings.externalPump.pin, LOW);
-        }
+        digitalWrite(configuredGpio, LOW);

        vars.states.externalPump = false;
        vars.parameters.extPumpLastEnableTime = millis();
@@ -300,7 +340,7 @@ protected:

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

        vars.states.externalPump = false;
        vars.parameters.extPumpLastEnableTime = millis();
@@ -308,7 +348,7 @@ 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.pin, LOW);
+        digitalWrite(configuredGpio, LOW);

        vars.states.externalPump = false;
        vars.parameters.extPumpLastEnableTime = millis();
@@ -324,7 +364,7 @@ protected:
      this->externalPumpStartTime = millis();
      this->extPumpStartReason = MainTask::PumpStartReason::HEATING;

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

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

@@ -333,7 +373,7 @@ protected:
      this->externalPumpStartTime = millis();
      this->extPumpStartReason = MainTask::PumpStartReason::ANTISTUCK;

-      digitalWrite(settings.externalPump.pin, 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;
@@ -69,10 +90,10 @@ protected:
  }*/

  int getTaskPriority() {
-    return 1;
+    return 2;
  }

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

@@ -175,13 +196,15 @@ 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 +236,24 @@ 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 +309,35 @@ 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 +346,8 @@ 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 +355,6 @@ protected:
    this->haHelper->publishNumberEquithermFactorK();
    this->haHelper->publishNumberEquithermFactorT();

-    // tuning
-    this->haHelper->publishSwitchTuning();
-    this->haHelper->publishSelectTuningRegulator();
-
    // states
    this->haHelper->publishBinSensorStatus();
    this->haHelper->publishBinSensorOtStatus();
@@ -362,14 +365,16 @@ 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 +384,36 @@ 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 editableOutdoorTemp = settings.sensors.outdoor.type == 1;
-    bool editableIndoorTemp = settings.sensors.indoor.type == 1;
+    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 +431,17 @@ 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 +451,8 @@ 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 +462,10 @@ 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 +476,10 @@ 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
--- a/src/PortalTask.h
+++ b/src/PortalTask.h
@@ -62,7 +62,7 @@ protected:
  }*/

  int getTaskPriority() {
-    return 0;
+    return 1;
  }

  void setup() {
@@ -86,9 +86,21 @@ protected:
    this->webServer->addHandler(indexPage);*/
    this->webServer->addHandler(new StaticPage("/", &LittleFS, "/index.html", PORTAL_CACHE));

+    // dashboard page
+    auto dashboardPage = (new StaticPage("/dashboard.html", &LittleFS, "/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;
@@ -103,7 +115,7 @@ protected:
    // network settings page
    auto networkPage = (new StaticPage("/network.html", &LittleFS, "/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;
        }
@@ -115,7 +127,7 @@ protected:
    // settings page
    auto settingsPage = (new StaticPage("/settings.html", &LittleFS, "/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;
        }
@@ -127,7 +139,7 @@ protected:
    // upgrade page
    auto upgradePage = (new StaticPage("/upgrade.html", &LittleFS, "/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 +150,7 @@ 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 +184,7 @@ 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 +208,7 @@ 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);
        }
@@ -253,7 +265,7 @@ 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 +279,7 @@ 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);
        }
@@ -298,8 +310,14 @@ 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)
@@ -312,33 +330,11 @@ 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 +344,11 @@ 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);
@@ -374,7 +374,7 @@ 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 +388,7 @@ 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 +419,17 @@ 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 +438,13 @@ 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 +475,76 @@ 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 ? Network::Manager::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"]["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();
+      
+      #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]() {
@@ -559,8 +615,8 @@ protected:
    }
  }

-  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 {
@@ -12,9 +10,6 @@ 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;
@@ -32,7 +27,7 @@ protected:
  }
  
  void loop() {
-    byte newTemp = vars.parameters.heatingSetpoint;
+    float newTemp = vars.parameters.heatingSetpoint;

    if (vars.states.emergency) {
      if (settings.heating.turbo) {
@@ -41,74 +36,60 @@ 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 != 1) {
+    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 != 1) {
+    } 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 +104,17 @@ 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 +124,11 @@ 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 +143,12 @@ 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 +156,10 @@ 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 +167,46 @@ 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 +214,41 @@ 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 +257,4 @@ 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
@@ -32,11 +32,13 @@ 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;
@@ -60,33 +62,58 @@ protected:
  }

  void loop() {
-    if (settings.sensors.outdoor.type == 2 && settings.sensors.outdoor.pin) {
+    bool indoorTempUpdated = false;
+    bool outdoorTempUpdated = false;
+
+    if (settings.sensors.outdoor.type == SensorType::DS18B20 && GPIO_IS_VALID(settings.sensors.outdoor.gpio)) {
      outdoorTemperatureSensor();
+      outdoorTempUpdated = true;
    }

-    if (settings.sensors.indoor.type == 2 && settings.sensors.indoor.pin) {
+    if (settings.sensors.indoor.type == SensorType::DS18B20 && GPIO_IS_VALID(settings.sensors.indoor.gpio)) {
      indoorTemperatureSensor();
+      indoorTempUpdated = true;
+    }
+    #if USE_BLE
+    else if (settings.sensors.indoor.type == SensorType::BLUETOOTH) {
+      indoorTemperatureBluetoothSensor();
+      indoorTempUpdated = true;
+    }
+    #endif
+
+    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 USE_BLE
-    if (settings.sensors.indoor.type == 3) {
-      bluetoothSensor();
-    }
-#endif
+    if (indoorTempUpdated) {
+      float newTemp = settings.sensors.indoor.offset;
+      if (settings.system.unitSystem == UnitSystem::METRIC) {
+        newTemp += this->filteredIndoorTemp;

-    if (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);
-    }
+      } else if (settings.system.unitSystem == UnitSystem::IMPERIAL) {
+        newTemp += c2f(this->filteredIndoorTemp);
+      }

-    if (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 (fabs(vars.temperatures.indoor - newTemp) > 0.099f) {
+        vars.temperatures.indoor = newTemp;
+        Log.sinfoln(FPSTR(L_SENSORS_INDOOR), F("New temp: %f"), vars.temperatures.indoor);
+      }
    }
  }

 #if USE_BLE
-  void bluetoothSensor() {
+  void indoorTemperatureBluetoothSensor() {
    static bool initBleNotify = false;
    if (!initBleSensor && millis() > 5000) {
      Log.sinfoln(FPSTR(L_SENSORS_BLE), F("Init BLE"));
@@ -136,7 +163,7 @@ 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) {
@@ -204,10 +231,16 @@ protected:

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

-      this->oneWireOutdoorSensor->begin(settings.sensors.outdoor.pin);
+      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),
@@ -270,10 +303,16 @@ protected:

  void indoorTemperatureSensor() {
    if (!this->initIndoorSensor) {
-      Log.sinfoln(FPSTR(L_SENSORS_INDOOR), F("Starting on gpio %hhu..."), settings.sensors.indoor.pin);
+      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.pin);
+      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
@@ -1,5 +1,5 @@
 struct NetworkSettings {
-  char hostname[25] = HOSTNAME_DEFAULT;
+  char hostname[25] = DEFAULT_HOSTNAME;
  bool useDhcp = true;

  struct {
@@ -10,14 +10,14 @@ struct NetworkSettings {
  } staticConfig;

  struct {
-    char ssid[33] = AP_SSID_DEFAULT;
-    char password[65] = AP_PASSWORD_DEFAULT;
+    char ssid[33] = DEFAULT_AP_SSID;
+    char password[65] = DEFAULT_AP_PASSWORD;
    byte channel = 6;
  } ap;

  struct {
-    char ssid[33] = STA_SSID_DEFAULT;
-    char password[65] = STA_PASSWORD_DEFAULT;
+    char ssid[33] = DEFAULT_STA_SSID;
+    char password[65] = DEFAULT_STA_PASSWORD;
    byte channel = 0;
  } sta;
 } networkSettings;
@@ -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;
-    char login[13] = PORTAL_LOGIN_DEFAULT;
-    char password[33] = PORTAL_PASSWORD_DEFAULT;
+    bool auth = false;
+    char login[13] = DEFAULT_PORTAL_LOGIN;
+    char password[33] = DEFAULT_PORTAL_PASSWORD;
  } portal;

  struct {
-    byte inPin = OT_IN_PIN_DEFAULT;
-    byte outPin = OT_OUT_PIN_DEFAULT;
+    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 {
-    char server[81] = MQTT_SERVER_DEFAULT;
-    unsigned short port = MQTT_PORT_DEFAULT;
-    char user[33] = MQTT_USER_DEFAULT;
-    char password[33] = MQTT_PASSWORD_DEFAULT;
-    char prefix[33] = MQTT_PREFIX_DEFAULT;
+    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;
@@ -100,16 +122,14 @@ struct Settings {

  struct {
    struct {
-      // 0 - boiler, 1 - manual, 2 - ds18b20
-      byte type = 0;
-      byte pin = SENSOR_OUTDOOR_PIN_DEFAULT;
+      SensorType type = SensorType::BOILER;
+      byte gpio = DEFAULT_SENSOR_OUTDOOR_GPIO;
      float offset = 0.0f;
    } outdoor;

    struct {
-      // 1 - manual, 2 - ds18b20, 3 - ble
-      byte type = 1;
-      byte pin = SENSOR_INDOOR_PIN_DEFAULT;
+      SensorType type = SensorType::MANUAL;
+      byte gpio = DEFAULT_SENSOR_INDOOR_GPIO;
      uint8_t bleAddresss[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
      float offset = 0.0f;
    } indoor;
@@ -117,7 +137,7 @@ struct Settings {

  struct {
    bool use = false;
-    byte pin = EXT_PUMP_PIN_DEFAULT;
+    byte gpio = DEFAULT_EXT_PUMP_GPIO;
    unsigned short postCirculationTime = 600;
    unsigned int antiStuckInterval = 2592000;
    unsigned short antiStuckTime = 300;
@@ -127,11 +147,6 @@ struct Settings {
 } settings;

 struct Variables {
-  struct {
-    bool enable = false;
-    byte regulator = 0;
-  } tuning;
-
  struct {
    bool otStatus = false;
    bool emergency = false;
@@ -141,6 +156,7 @@ struct Variables {
    bool fault = false;
    bool diagnostic = false;
    bool externalPump = false;
+    bool mqtt = false;
  } states;

  struct {
@@ -155,14 +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
@@ -1,28 +1,27 @@
-#define PROJECT_NAME                "OpenTherm Gateway"
-#define PROJECT_VERSION             "1.4.0-rc.15"
-#define PROJECT_REPO                "https://github.com/Laxilef/OTGateway"
+#define PROJECT_NAME                    "OpenTherm Gateway"
+#define PROJECT_VERSION                 "1.4.0"
+#define PROJECT_REPO                    "https://github.com/Laxilef/OTGateway"

-#define EMERGENCY_TIME_TRESHOLD     120000
-#define MQTT_RECONNECT_INTERVAL     15000
-#define MQTT_KEEPALIVE              30
+#define MQTT_RECONNECT_INTERVAL         15000

-#define OPENTHERM_OFFLINE_TRESHOLD  10
+#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 GPIO_IS_NOT_CONFIGURED          0xff

-#define CONFIG_URL                  "http://%s/"
-#define SETTINGS_VALID_VALUE        "stvalid" // only 8 chars!
+#define DEFAULT_HEATING_TARGET_TEMP     40
+#define DEFAULT_HEATING_MIN_TEMP        20
+#define DEFAULT_HEATING_MAX_TEMP        90

-#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_DHW_TARGET_TEMP         40
+#define DEFAULT_DHW_MIN_TEMP            30
+#define DEFAULT_DHW_MAX_TEMP            60

-
-#ifndef WM_DEBUG_MODE
-  #define WM_DEBUG_MODE WM_DEBUG_NOTIFY
-#endif
+#define THERMOSTAT_INDOOR_DEFAULT_TEMP  20
+#define THERMOSTAT_INDOOR_MIN_TEMP      5
+#define THERMOSTAT_INDOOR_MAX_TEMP      30

 #ifndef USE_SERIAL
  #define USE_SERIAL true
@@ -36,80 +35,110 @@
  #define USE_BLE false
 #endif

-#ifndef HOSTNAME_DEFAULT
-  #define HOSTNAME_DEFAULT "opentherm"
+#ifndef DEFAULT_HOSTNAME
+  #define DEFAULT_HOSTNAME "opentherm"
 #endif

-#ifndef AP_SSID_DEFAULT
-  #define AP_SSID_DEFAULT "OpenTherm Gateway"
+#ifndef DEFAULT_AP_SSID
+  #define DEFAULT_AP_SSID "OpenTherm Gateway"
 #endif

-#ifndef AP_PASSWORD_DEFAULT
-  #define AP_PASSWORD_DEFAULT "otgateway123456"
+#ifndef DEFAULT_AP_PASSWORD
+  #define DEFAULT_AP_PASSWORD "otgateway123456"
 #endif

-#ifndef STA_SSID_DEFAULT
-  #define STA_SSID_DEFAULT ""
+#ifndef DEFAULT_STA_SSID
+  #define DEFAULT_STA_SSID ""
 #endif

-#ifndef STA_PASSWORD_DEFAULT
-  #define STA_PASSWORD_DEFAULT ""
+#ifndef DEFAULT_STA_PASSWORD
+  #define DEFAULT_STA_PASSWORD ""
 #endif

 #ifndef DEBUG_BY_DEFAULT
  #define DEBUG_BY_DEFAULT false
 #endif

-#ifndef PORTAL_LOGIN_DEFAULT
-  #define PORTAL_LOGIN_DEFAULT ""
+#ifndef DEFAULT_STATUS_LED_GPIO
+  #define DEFAULT_STATUS_LED_GPIO GPIO_IS_NOT_CONFIGURED
 #endif

-#ifndef PORTAL_PASSWORD_DEFAULT
-  #define PORTAL_PASSWORD_DEFAULT ""
+#ifndef DEFAULT_PORTAL_LOGIN
+  #define DEFAULT_PORTAL_LOGIN ""
 #endif

-#ifndef MQTT_SERVER_DEFAULT
-  #define MQTT_SERVER_DEFAULT ""
+#ifndef DEFAULT_PORTAL_PASSWORD
+  #define DEFAULT_PORTAL_PASSWORD ""
 #endif

-#ifndef MQTT_PORT_DEFAULT
-  #define MQTT_PORT_DEFAULT 1883
+#ifndef DEFAULT_MQTT_SERVER
+  #define DEFAULT_MQTT_SERVER ""
 #endif

-#ifndef MQTT_USER_DEFAULT
-  #define MQTT_USER_DEFAULT ""
+#ifndef DEFAULT_MQTT_PORT
+  #define DEFAULT_MQTT_PORT 1883
 #endif

-#ifndef MQTT_PASSWORD_DEFAULT
-  #define MQTT_PASSWORD_DEFAULT ""
+#ifndef DEFAULT_MQTT_USER
+  #define DEFAULT_MQTT_USER ""
 #endif

-#ifndef MQTT_PREFIX_DEFAULT
-  #define MQTT_PREFIX_DEFAULT "opentherm"
+#ifndef DEFAULT_MQTT_PASSWORD
+  #define DEFAULT_MQTT_PASSWORD ""
 #endif

-#ifndef OT_IN_PIN_DEFAULT
-  #define OT_IN_PIN_DEFAULT 0
+#ifndef DEFAULT_MQTT_PREFIX
+  #define DEFAULT_MQTT_PREFIX "opentherm"
 #endif

-#ifndef OT_OUT_PIN_DEFAULT
-  #define OT_OUT_PIN_DEFAULT 0
+#ifndef DEFAULT_OT_IN_GPIO
+  #define DEFAULT_OT_IN_GPIO GPIO_IS_NOT_CONFIGURED
 #endif

-#ifndef SENSOR_OUTDOOR_PIN_DEFAULT
-  #define SENSOR_OUTDOOR_PIN_DEFAULT 0
+#ifndef DEFAULT_OT_OUT_GPIO
+  #define DEFAULT_OT_OUT_GPIO GPIO_IS_NOT_CONFIGURED
 #endif

-#ifndef SENSOR_INDOOR_PIN_DEFAULT
-  #define SENSOR_INDOOR_PIN_DEFAULT 0
+#ifndef DEFAULT_OT_RX_LED_GPIO
+  #define DEFAULT_OT_RX_LED_GPIO GPIO_IS_NOT_CONFIGURED
 #endif

-#ifndef EXT_PUMP_PIN_DEFAULT
-  #define EXT_PUMP_PIN_DEFAULT 0
+#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
+
+#ifndef DEFAULT_SENSOR_INDOOR_GPIO
+  #define DEFAULT_SENSOR_INDOOR_GPIO GPIO_IS_NOT_CONFIGURED
+#endif
+
+#ifndef DEFAULT_EXT_PUMP_GPIO
+  #define DEFAULT_EXT_PUMP_GPIO GPIO_IS_NOT_CONFIGURED
 #endif

 #ifndef PROGMEM
  #define PROGMEM 
 #endif

+#ifndef GPIO_IS_VALID_GPIO
+  #define GPIO_IS_VALID_GPIO(gpioNum) (gpioNum >= 0 && gpioNum <= 16)
+#endif
+
+#define GPIO_IS_VALID(gpioNum) (gpioNum != GPIO_IS_NOT_CONFIGURED && GPIO_IS_VALID_GPIO(gpioNum))
+
+enum class SensorType : byte {
+  BOILER,
+  MANUAL,
+  DS18B20,
+  BLUETOOTH
+};
+
+enum class UnitSystem : byte {
+  METRIC,
+  IMPERIAL
+};
+
 char buffer[255];
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -109,12 +109,19 @@ 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);
@@ -143,7 +150,7 @@ void setup() {
  tMqtt = new MqttTask(false, 500);
  Scheduler.start(tMqtt);

-  tOt = new OpenThermTask(false, 750);
+  tOt = new OpenThermTask(true, 750);
  Scheduler.start(tOt);

  tSensors = new SensorsTask(true, EXT_SENSORS_INTERVAL);
--- a/src/utils.h
+++ b/src/utils.h
--- a/src_data/dashboard.html
+++ b/src_data/dashboard.html
@@ -0,0 +1,415 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>Dashboard - 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>
+        <hgroup>
+          <h2>Dashboard</h2>
+          <p></p>
+        </hgroup>
+
+        <div id="dashboard-busy" aria-busy="true"></div>
+        <div id="dashboard-container" class="hidden">
+          <details open>
+            <summary><b>Control</b></summary>
+            <div class="grid">
+              <div class="thermostat" id="thermostat-heating">
+                <div class="thermostat-header">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">Current: <span id="thermostat-heating-current"></span> <span class="temp-unit"></span></div>
+                </div>
+                <div class="thermostat-minus"><button id="thermostat-heating-minus" class="outline"><b>-</b></button></div>
+                <div class="thermostat-plus"><button id="thermostat-heating-plus" class="outline"><b>+</b></button></div>
+                <div class="thermostat-control">
+                  <input type="checkbox" role="switch" id="thermostat-heating-enabled" value="true">
+                  <label htmlFor="thermostat-heating-enabled">Enable</label>
+
+                  <input type="checkbox" role="switch" id="thermostat-heating-turbo" value="true">
+                  <label htmlFor="thermostat-heating-turbo">Turbo mode</label>
+                </div>
+              </div>
+
+              <div class="thermostat" id="thermostat-dhw">
+                <div class="thermostat-header">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">Current: <span id="thermostat-dhw-current"></span> <span class="temp-unit"></span></div>
+                </div>
+                <div class="thermostat-minus"><button class="outline" id="thermostat-dhw-minus"><b>-</b></button></div>
+                <div class="thermostat-plus"><button class="outline" id="thermostat-dhw-plus"><b>+</b></button></div>
+                <div class="thermostat-control">
+                  <input type="checkbox" role="switch" id="thermostat-dhw-enabled" value="true">
+                  <label htmlFor="thermostat-dhw-enabled">Enable</label>
+                </div>
+              </div>
+            </div>
+          </details>
+
+          <hr />
+
+          <details>
+            <summary><b>States and sensors</b></summary>
+            <table>
+              <tbody>
+                <tr>
+                  <th scope="row">OpenTherm connected:</th>
+                  <td><input type="radio" id="ot-connected" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row">MQTT connected:</th>
+                  <td><input type="radio" id="mqtt-connected" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row">Emergency:</th>
+                  <td><input type="radio" id="ot-emergency" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row">Heating:</th>
+                  <td><input type="radio" id="ot-heating" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row">DHW:</th>
+                  <td><input type="radio" id="ot-dhw" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row">Flame:</th>
+                  <td><input type="radio" id="ot-flame" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row">Fault:</th>
+                  <td><input type="radio" id="ot-fault" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row">Diagnostic:</th>
+                  <td><input type="radio" id="ot-diagnostic" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row">External pump:</th>
+                  <td><input type="radio" id="ot-external-pump" aria-invalid="false" checked disabled /></td>
+                </tr>
+                <tr>
+                  <th scope="row">Modulation:</th>
+                  <td><b id="ot-modulation"></b> %</td>
+                </tr>
+                <tr>
+                  <th scope="row">Pressure:</th>
+                  <td><b id="ot-pressure"></b> <span class="pressure-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row">DHW flow rate:</th>
+                  <td><b id="ot-dhw-flow-rate"></b> <span class="volume-unit"></span>/min</td>
+                </tr>
+                <tr>
+                  <th scope="row">Fault code:</th>
+                  <td><b id="ot-fault-code"></b></td>
+                </tr>
+                <tr>
+                  <th scope="row">Indoor temp:</th>
+                  <td><b id="indoor-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row">Outdoor temp:</th>
+                  <td><b id="outdoor-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row">Heating temp:</th>
+                  <td><b id="heating-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row">Heating setpoint temp:</th>
+                  <td><b id="heating-setpoint-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row">Heating return temp:</th>
+                  <td><b id="heating-return-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row">DHW temp:</th>
+                  <td><b id="dhw-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+                <tr>
+                  <th scope="row">Exhaust temp:</th>
+                  <td><b id="exhaust-temp"></b> <span class="temp-unit"></span></td>
+                </tr>
+              </tbody>
+            </table>
+          </details>
+
+          <hr />
+
+          <details>
+            <summary><b>OpenTherm diagnostic</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">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>
+      let modifiedTime = null;
+      let noRegulators;
+      let prevSettings;
+      let newSettings = {
+        heating: {
+          enable: false,
+          turbo: false,
+          target: 0
+        },
+        dhw: {
+          enable: false,
+          target: 0
+        }
+      };
+
+      window.onload = async function () {
+        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/index.html
+++ b/src_data/index.html
@@ -0,0 +1,191 @@
+<!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 id="main-busy" aria-busy="true"></div>
+          <table id="main-table" class="hidden">
+            <tbody>
+              <tr>
+                <th scope="row">Hostname:</th>
+                <td><b id="network-hostname"></b></td>
+              </tr>
+              <tr>
+                <th scope="row">MAC:</th>
+                <td><b id="network-mac"></b></td>
+              </tr>
+              <tr>
+                <th scope="row">Connected:</th>
+                <td><input type="radio" id="network-connected" aria-invalid="false" checked disabled /></td>
+              </tr>
+              <tr>
+                <th scope="row">SSID:</th>
+                <td><b id="network-ssid"></b></td>
+              </tr>
+              <tr>
+                <th scope="row">Signal:</th>
+                <td><b id="network-signal"></b> %</td>
+              </tr>
+              <tr>
+                <th scope="row">IP:</th>
+                <td><b id="network-ip"></b></td>
+              </tr>
+              <tr>
+                <th scope="row">Subnet:</th>
+                <td><b id="network-subnet"></b></td>
+              </tr>
+              <tr>
+                <th scope="row">Gateway:</th>
+                <td><b id="network-gateway"></b></td>
+              </tr>
+              <tr>
+                <th scope="row">DNS:</th>
+                <td><b id="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 id="system-busy" aria-busy="true"></div>
+          <table id="system-table" class="hidden">
+            <tbody>
+              <tr>
+                <th scope="row">Version:</th>
+                <td><b id="version"></b>, core/sdk: <b id="core-version"></b></td>
+              </tr>
+              <tr>
+                <th scope="row">Build date:</th>
+                <td><b id="build-date"></b></td>
+              </tr>
+              <tr>
+                <th scope="row">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">Free memory:</th>
+                <td><b id="free-heap"></b> of <b id="total-heap"></b> bytes (min: <b id="min-free-heap"></b> bytes)<br />max free block: <b id="max-free-block-heap"></b> bytes (min: <b id="min-max-free-block-heap"></b> bytes)</td>
+              </tr>
+              <tr>
+                <th scope="row">Board:</th>
+                <td>Chip <b id="chip-model"></b> (rev. <span id="chip-revision"></span>)<br />Cores: <b id="chip-cores"></b>, frequency: <b id="cpu-freq"></b> mHz<br />Flash size: <b id="flash-size"></b> MB (real: <b id="flash-real-size"></b> MB)</td>
+              </tr>
+              <tr>
+                <th scope="row">Last reset reason:</th>
+                <td><b id="reset-reason"></b></td>
+              </tr>
+            </tbody>
+          </table>
+
+          <div class="grid">
+            <a href="/dashboard.html" role="button">Dashboard</a>
+            <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>
+    </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() {
+          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('#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);
+            
+            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/network.html
+++ b/src_data/network.html
@@ -31,32 +31,38 @@

        <div id="network-settings-busy" aria-busy="true"></div>
        <form action="/api/network/settings" id="network-settings" class="hidden">
-          <label for="hostname">
+          <label for="network-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>
+            <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" class="network-use-dhcp" name="useDhcp" value="true">
+            <input type="checkbox" id="network-use-dhcp" name="useDhcp" value="true">
            Use DHCP
          </label>
-          <br>
-          <hr>
+          <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>
+            <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">
            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>
+            <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">
            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>
+            <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">
            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>
+            <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">Save</button>
        </form>
      </div>
@@ -70,7 +76,7 @@
        </hgroup>

        <form action="/api/network/scan" id="network-scan">
-          <figure style="max-height: 25em;">
+          <div style="max-height: 25rem;" class="overflow-auto">
            <table id="networks" role="grid">
              <thead>
                <tr>
@@ -81,29 +87,33 @@
              </thead>
              <tbody></tbody>
            </table>
-          </figure>
+          </div>
+
          <button type="submit">Refresh</button>
        </form>

-        <hr>
+        <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>
+              <input type="text" id="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>
+              <input type="password" id="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>
+              <input type="number" inputmode="numeric" id="sta-channel" name="sta[channel]" min="0" max="12" step="1" required>
              <small>set 0 for auto select</small>
            </label>

@@ -119,20 +129,24 @@
          <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>
+            <input type="text" id="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>
+            <input type="text" id="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>
+            <input type="number" inputmode="numeric" id="ap-channel" name="ap[channel]" min="1" max="12" step="1" required>
          </label>
+
          <button type="submit">Save</button>
        </form>
      </div>
@@ -145,7 +159,7 @@
      • <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/issue" target="_blank" class="secondary">Issue & questions</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>
@@ -153,7 +167,34 @@
  <script src="/static/app.js"></script>
  <script>
    window.onload = async function () {
-      await loadNetworkSettings();
+      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();
+        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);
+
+      } catch (error) {
+        console.log(error);
+      }

      setupForm('#network-settings');
      setupNetworkScanForm('#network-scan', '#networks');
@@ -163,4 +204,4 @@
  </script>
 </body>

-</html>
+</html>
--- a/src_data/settings.html
+++ b/src_data/settings.html
@@ -0,0 +1,832 @@
+<!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>
+      <hgroup>
+        <h2>Settings</h2>
+        <p></p>
+      </hgroup>
+
+      <details>
+        <summary><b>Portal settings</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">
+                Login
+                <input type="text" id="portal-login" name="portal[login]" maxlength="12" required>
+              </label>
+
+              <label for="portal-password">
+                Password
+                <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">
+              Require authentication
+            </label>
+            <br />
+
+            <button type="submit">Save</button>
+          </form>
+        </div>
+      </details>
+
+      <hr />
+
+      <details>
+        <summary><b>System settings</b></summary>
+        <div>
+          <div id="system-settings-busy" aria-busy="true"></div>
+          <form action="/api/settings" id="system-settings" class="hidden">
+            <fieldset>
+              <legend>Unit system</legend>
+
+              <label>
+                <input type="radio" class="system-unit-system" name="system[unitSystem]" value="0" />
+                Metric (celsius, liters, bar)
+              </label>
+
+              <label>
+                <input type="radio" class="system-unit-system" name="system[unitSystem]" value="1" />
+                Imperial (fahrenheit, gallons, psi)
+              </label>
+            </fieldset>
+
+            <fieldset>
+              <label for="system-status-led-gpio">
+                Status LED GPIO
+                <input type="number" inputmode="numeric" id="system-status-led-gpio" name="system[statusLedGpio]" min="0" max="254" step="1">
+                <small>blank - not use</small>
+              </label>
+            </fieldset>
+
+            <fieldset>
+              <legend>Diagnostic</legend>
+
+              <label for="system-debug">
+                <input type="checkbox" id="system-debug" name="system[debug]" value="true">
+                Debug mode
+              </label>
+
+              <label for="system-serial-enable">
+                <input type="checkbox" id="system-serial-enable" name="system[serial][enable]" value="true">
+                Enable Serial port
+              </label>
+
+              <label for="system-telnet-enable">
+                <input type="checkbox" id="system-telnet-enable" name="system[telnet][enable]" value="true">
+                Enable Telnet
+              </label>
+
+              <div class="grid">
+                <label for="system-serial-baudrate">
+                  Serial port baud rate
+                  <input type="number" inputmode="numeric" id="system-serial-baudrate" name="system[serial][baudrate]" min="9600" max="115200" step="1" required>
+                  <small>Available: 9600, 19200, 38400, 57600, 74880, 115200</small>
+                </label>
+
+                <label for="system-telnet-port">
+                  Telnet port
+                  <input type="number" inputmode="numeric" id="system-telnet-port" name="system[telnet][port]" min="1" max="65535" step="1" required>
+                  <small>Default: 23</small>
+                </label>
+              </div>
+
+              <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>
+      </details>
+
+
+      <hr />
+
+      <details>
+        <summary><b>Heating settings</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">
+                Minimum temperature
+                <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">
+                Maximum temperature
+                <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">
+                Hysteresis
+                <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">
+                Max modulation level
+                <input type="number" inputmode="numeric" id="heating-max-modulation" name="heating[maxModulation]" min="1" max="100" step="1" required>
+              </label>
+            </div>
+
+            <button type="submit">Save</button>
+          </form>
+        </div>
+      </details>
+
+      <hr />
+
+      <details>
+        <summary><b>DHW settings</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">
+                Minimum temperature
+                <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">
+                Maximum temperature
+                <input type="number" inputmode="numeric" id="dhw-max-temp" name="dhw[maxTemp]" min="0" max="0" step="1" required>
+              </label>
+            </div>
+
+            <button type="submit">Save</button>
+          </form>
+        </div>
+      </details>
+
+      <hr />
+
+      <details>
+        <summary><b>Emergency mode settings</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">
+                Enable
+              </label>
+
+              <small>
+                <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.
+              </small>
+            </fieldset>
+
+            <div class="grid">
+              <label for="emergency-target">
+                Target temperature
+                <input type="number" inputmode="numeric" id="emergency-target" name="emergency[target]" min="0" max="0" step="1" required>
+                <small>
+                  <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>
+                </small>
+              </label>
+
+              <label for="emergency-treshold-time">
+                Treshold time <small>(sec)</small>
+                <input type="number" inputmode="numeric" id="emergency-treshold-time" name="emergency[tresholdTime]" min="60" max="1800" step="1" required>
+              </label>
+            </div>
+
+            <fieldset>
+              <legend>Events</legend>
+
+              <label for="emergency-on-network-fault">
+                <input type="checkbox" id="emergency-on-network-fault" name="emergency[onNetworkFault]" value="true">
+                On network fault
+              </label>
+
+              <label for="emergency-on-mqtt-fault">
+                <input type="checkbox" id="emergency-on-mqtt-fault" name="emergency[onMqttFault]" value="true">
+                On MQTT fault
+              </label>
+            </fieldset>
+
+            <fieldset>
+              <legend>Using regulators</legend>
+
+              <label for="emergency-use-equitherm">
+                <input type="checkbox" id="emergency-use-equitherm" name="emergency[useEquitherm]" value="true">
+                <span>
+                  Equitherm <small>(requires at least an external/boiler <u>outdoor</u> sensor)</small>
+                </span>
+              </label>
+              <label for="emergency-use-pid">
+                <input type="checkbox" id="emergency-use-pid" name="emergency[usePid]" value="true">
+                <span>
+                  PID <small>(requires at least an external/BLE <u>indoor</u> sensor)</small>
+                </span>
+              </label>
+            </fieldset>
+
+            <button type="submit">Save</button>
+          </form>
+        </div>
+      </details>
+
+      <hr />
+
+      <details>
+        <summary><b>Equitherm settings</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">
+                Enable
+              </label>
+            </fieldset>
+
+            <div class="grid">
+              <label for="equitherm-n-factor">
+                N factor
+                <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">
+                K factor
+                <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">
+                T factor
+                <input type="number" inputmode="numeric" id="equitherm-t-factor" name="equitherm[t_factor]" min="0" max="10" step="0.01" required>
+                <small>Not used if PID is enabled</small>
+              </label>
+            </div>
+
+            <button type="submit">Save</button>
+          </form>
+        </div>
+      </details>
+
+      <hr />
+
+      <details>
+        <summary><b>PID settings</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">
+                Enable
+              </label>
+            </fieldset>
+
+            <div class="grid">
+              <label for="pid-p-factor">
+                P factor
+                <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">
+                I factor
+                <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">
+                D factor
+                <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">
+              DT <small>in seconds</small>
+              <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">
+                Minimum temperature
+                <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">
+                Maximum temperature
+                <input type="number" inputmode="numeric" id="pid-max-temp" name="pid[maxTemp]" min="0" max="0" step="1" required>
+              </label>
+            </div>
+
+            <button type="submit">Save</button>
+          </form>
+        </div>
+      </details>
+
+      <hr />
+
+      <details>
+        <summary><b>OpenTherm settings</b></summary>
+        <div>
+          <div id="opentherm-settings-busy" aria-busy="true"></div>
+          <form action="/api/settings" id="opentherm-settings" class="hidden">
+            <fieldset>
+              <legend>Unit system</legend>
+
+              <label>
+                <input type="radio" class="opentherm-unit-system" name="opentherm[unitSystem]" value="0" />
+                Metric (celsius)
+              </label>
+
+              <label>
+                <input type="radio" class="opentherm-unit-system" name="opentherm[unitSystem]" value="1" />
+                Imperial (fahrenheit)
+              </label>
+            </fieldset>
+
+            <div class="grid">
+              <label for="opentherm-in-gpio">
+                In GPIO
+                <input type="number" inputmode="numeric" id="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" id="opentherm-out-gpio" name="opentherm[outGpio]" min="0" max="254" step="1">
+              </label>
+            </div>
+
+            <div class="grid">
+              <label for="opentherm-rx-led-gpio">
+                RX LED GPIO
+                <input type="number" inputmode="numeric" id="opentherm-rx-led-gpio" name="opentherm[rxLedGpio]" min="0" max="254" step="1">
+                <small>blank - not use</small>
+              </label>
+
+              <label for="opentherm-member-id-code">
+                Master MemberID code
+                <input type="number" inputmode="numeric" id="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" id="opentherm-dhw-present" name="opentherm[dhwPresent]" value="true">
+                DHW present
+              </label>
+
+              <label for="opentherm-sw-mode">
+                <input type="checkbox" id="opentherm-sw-mode" name="opentherm[summerWinterMode]" value="true">
+                Summer/winter mode
+              </label>
+
+              <label for="opentherm-heating-ch2-enabled">
+                <input type="checkbox" id="opentherm-heating-ch2-enabled" name="opentherm[heatingCh2Enabled]" value="true">
+                Heating CH2 always enabled
+              </label>
+
+              <label for="opentherm-heating-ch1-to-ch2">
+                <input type="checkbox" id="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" id="opentherm-dhw-to-ch2" name="opentherm[dhwToCh2]" value="true">
+                Duplicate DHW to CH2
+              </label>
+
+              <label for="opentherm-dhw-blocking">
+                <input type="checkbox" id="opentherm-dhw-blocking" name="opentherm[dhwBlocking]" value="true">
+                DHW blocking
+              </label>
+
+              <label for="opentherm-sync-modulation-with-heating">
+                <input type="checkbox" id="opentherm-sync-modulation-with-heating" name="opentherm[modulationSyncWithHeating]" value="true">
+                Sync modulation with heating
+              </label>
+
+              <label for="opentherm-get-min-max-temp">
+                <input type="checkbox" id="opentherm-get-min-max-temp" name="opentherm[getMinMaxTemp]" value="true">
+                Get min/max temp from boiler
+              </label>
+
+              <hr />
+              <fieldset>
+                <label for="opentherm-fault-state-gpio">
+                  Fault state GPIO
+                  <input type="number" inputmode="numeric" id="opentherm-fault-state-gpio" name="opentherm[faultStateGpio]" min="0" max="254" step="1">
+                  <small>Can be useful to switch on another boiler <u>via relay</u>. Blank - not use.</small>
+                </label>
+  
+                <label for="opentherm-invert-fault-state">
+                  <input type="checkbox" id="opentherm-invert-fault-state" name="opentherm[invertFaultState]" value="true">
+                  Invert fault state
+                </label>
+              </fieldset>
+              
+              <hr />
+              <label for="opentherm-native-heating-control">
+                <input type="checkbox" id="opentherm-native-heating-control" name="opentherm[nativeHeatingControl]" value="true">
+                Native heating control (boiler)<br />
+                <small>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.</small>
+              </label>
+            </fieldset>
+
+            <button type="submit">Save</button>
+          </form>
+        </div>
+      </details>
+
+      <hr />
+
+      <details>
+        <summary><b>MQTT settings</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">
+                Enable
+              </label>
+
+              <label for="mqtt-ha-discovery">
+                <input type="checkbox" id="mqtt-ha-discovery" name="mqtt[homeAssistantDiscovery]" value="true">
+                Home Assistant Discovery
+              </label>
+            </fieldset>
+
+            <div class="grid">
+              <label for="mqtt-server">
+                Server
+                <input type="text" id="mqtt-server" name="mqtt[server]" maxlength="80" required>
+              </label>
+
+              <label for="mqtt-port">
+                Port
+                <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">
+                User
+                <input type="text" id="mqtt-user" name="mqtt[user]" maxlength="32" required>
+              </label>
+
+              <label for="mqtt-password">
+                Password
+                <input type="password" id="mqtt-password" name="mqtt[password]" maxlength="32">
+              </label>
+            </div>
+
+            <div class="grid">
+              <label for="mqtt-prefix">
+                Prefix
+                <input type="text" id="mqtt-prefix" name="mqtt[prefix]" maxlength="32" required>
+              </label>
+
+              <label for="mqtt-interval">
+                Publish interval <small>(sec)</small>
+                <input type="number" inputmode="numeric" id="mqtt-interval" name="mqtt[interval]" min="3" max="60" step="1" required>
+              </label>
+            </div>
+
+            <button type="submit">Save</button>
+          </form>
+        </div>
+      </details>
+
+      <hr />
+
+      <details>
+        <summary><b>Outdoor sensor settings</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>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" id="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" id="outdoor-sensor-offset" name="sensors[outdoor][offset]" min="-10" max="10" step="0.01" required>
+            </label>
+
+            <button type="submit">Save</button>
+          </form>
+        </div>
+      </details>
+
+      <hr />
+
+      <details>
+        <summary><b>Indoor sensor settings</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>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" id="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" id="indoor-sensor-offset" name="sensors[indoor][offset]" min="-10" max="10" step="0.01" required>
+              </label>
+
+              <label for="indoor-sensor-ble-addresss">
+                BLE addresss
+                <input type="text" id="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>
+      </details>
+
+      <hr />
+
+      <details>
+        <summary><b>External pump settings</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">
+                Use external pump
+              </label>
+            </fieldset>
+
+            <div class="grid">
+              <label for="extpump-gpio">
+                Relay GPIO
+                <input type="number" inputmode="numeric" id="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" id="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" id="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" id="extpump-as-time" name="externalPump[antiStuckTime]" min="1" max="20" step="1" required>
+              </label>
+            </div>
+
+            <button type="submit">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">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 () {
+      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.bleAddresss);
+        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);
+        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);
+        setupForm('#outdoor-sensor-settings', fillData);
+        setupForm('#indoor-sensor-settings', fillData);
+        setupForm('#extpump-settings', fillData);
+
+      } catch (error) {
+        console.log(error);
+      }
+    };
+  </script>
+</body>
+
+</html>
--- a/src_data/static/app.css
+++ b/src_data/static/app.css
@@ -1,22 +1,47 @@
+@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;
 	}
 }

-.hidden {
-	display: none !important;
-}
-
-header,
-main,
-footer {
+header, main, footer {
 	padding-top: 1rem !important;
 	padding-bottom: 1rem !important;
 }
@@ -29,6 +54,23 @@ footer {
 	text-align: center;
 }

+nav li a:has(> div.logo) {
+	margin-bottom: 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);
@@ -75,6 +117,80 @@ tr.network:hover {
  font-family: var(--pico-font-family-monospace);
 }

-nav li a:has(> div.logo) {
-	margin-bottom: 0;
-}
+.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;
+}
--- a/src_data/static/app.js
+++ b/src_data/static/app.js
@@ -1,4 +1,4 @@
-function setupForm(formSelector) {
+function setupForm(formSelector, onResultCallback = null) {
  const form = document.querySelector(formSelector);
  if (!form) {
    return;
@@ -27,7 +27,7 @@ function setupForm(formSelector) {
      button.setAttribute('aria-busy', true);
    }

-    const onSuccess = (response) => {
+    const onSuccess = (result) => {
      if (button) {
        button.textContent = 'Saved';
        button.classList.add('success');
@@ -41,7 +41,7 @@ function setupForm(formSelector) {
      }
    };

-    const onFailed = (response) => {
+    const onFailed = () => {
      if (button) {
        button.textContent = 'Error';
        button.classList.add('failed');
@@ -71,15 +71,20 @@ function setupForm(formSelector) {
        body: form2json(fd)
      });

-      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();
    }
  });
 }
@@ -410,6 +415,9 @@ function setupUpgradeForm(formSelector) {
  form.addEventListener('submit', async (event) => {
    event.preventDefault();

+    hide('.upgrade-firmware-result');
+    hide('.upgrade-filesystem-result');
+
    if (button) {
      button.textContent = 'Uploading...';
      button.setAttribute('disabled', true);
@@ -437,157 +445,15 @@ 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-pin', result.opentherm.inPin);
-  setInputValue('.opentherm-out-pin', result.opentherm.outPin);
-  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-pin', result.sensors.outdoor.pin);
-  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-pin', result.sensors.indoor.pin);
-  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-pin', result.externalPump.pin);
-  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 +467,14 @@ 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) {
@@ -629,15 +497,106 @@ 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;
+  }
+
+  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) {
  let method = function (object, pair) {
--- a/src_data/static/pico.min.css
+++ b/src_data/static/pico.min.css
--- a/src_data/upgrade.html
+++ b/src_data/upgrade.html
@@ -36,7 +36,7 @@
            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>
@@ -50,7 +50,7 @@
        <hgroup>
          <h2>Upgrade</h2>
          <p>
-            In this section you can upgrade the firmware and filesystem of your device.<br>
+            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>
@@ -64,7 +64,7 @@
                <button type="button" class="upgrade-firmware-result hidden" disabled></button>
              </div>
            </label>
-          
+
            <label for="filesystem-file">
              Filesystem:
              <div class="grid">
@@ -73,7 +73,7 @@
              </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>
@@ -91,7 +91,7 @@
      • <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/issue" target="_blank" class="secondary">Issue & questions</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>
@@ -105,4 +105,4 @@
  </script>
 </body>

-</html>
+</html>
--- a/tools/build.py
+++ b/tools/build.py
@@ -1,4 +1,5 @@
 import shutil
+import gzip
 import os
 Import("env")

@@ -12,6 +13,23 @@ def post_build(source, target, env):
  env.Execute("pio run --target buildfs --environment %s" % env["PIOENV"]);


+def before_buildfs(source, target, env):
+  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)
+
+          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 +49,6 @@ 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	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
Yurii	9e3ef7a465	chore: bump version	2024-03-14 13:08:11 +03:00
Yurii	a5f6749101	refactor: added SensorType enum	2024-03-14 13:07:42 +03:00
Yurii	b07dd46f55	refactor: optimization * names changed: pin => gpio * ability to change OpenTherm GPIO without rebooting	2024-03-10 04:10:18 +03:00
Yurii	07ab121788	chore: bump OpenTherm Library to master	2024-03-09 00:03:34 +03:00
Yurii	7cbc52a8b0	chore: bump version	2024-03-01 00:26:41 +03:00
Laxilef	e090be380c	Merge pull request #49 from blitzu/patch-3 fix: fix typo in settings.html	2024-03-01 00:22:32 +03:00
Laxilef	0bf49d2249	Merge pull request #50 from blitzu/patch-2 fix: fix typo in network.html	2024-03-01 00:22:13 +03:00
Laxilef	a83d94d361	Merge pull request #51 from blitzu/patch-1 fix: fix typo in index.html	2024-03-01 00:21:49 +03:00
Laxilef	358980da4c	Merge pull request #48 from blitzu/patch-4 fix: fix typo in upgrade.html	2024-03-01 00:21:13 +03:00
blitzu	f91e39d067	Update upgrade.html	2024-02-29 18:52:31 +02:00
blitzu	1d53f21d46	Update settings.html	2024-02-29 18:52:08 +02:00
blitzu	c225e7c2a8	Update network.html	2024-02-29 18:51:25 +02:00
blitzu	6831c4331f	Update index.html	2024-02-29 18:50:36 +02:00
Yurii	8fb62ce8ae	fix: set temperature for sensors in manual mode fixed	2024-02-23 03:50:30 +03:00