From 69ec7e15e009d2987a5c80f2b2ea504d57a0cda4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A5kan=20B=C3=A5stedt?=
 <11662298+MetalMusings@users.noreply.github.com>
Date: Thu, 21 Dec 2023 11:21:46 +0100
Subject: [PATCH] Update README.md

---
 Pcb-1-lan9252/README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Pcb-1-lan9252/README.md b/Pcb-1-lan9252/README.md
index 3be3ae5..e89542b 100644
--- a/Pcb-1-lan9252/README.md
+++ b/Pcb-1-lan9252/README.md
@@ -22,5 +22,6 @@ Access the folder with a file browser and click on index.html to make or update
 and to Twincat esi xml file directory `c:\twincat\3.1\io\modules\ethercat`
 The original EEPROM_generator is found here <https://github.com/kubabuda/EEPROM_generator>
 
+##### **CubeMX-files** are for reference only.
 
-
+The .ioc file can be opened in CubeMX. The STM23F407 processor has functions tied to specific pins, the .ioc file has this info. This is just for reference.