Radek

What boardo you have with the Marlins?

I'm not asking about the Marlin version, but about the board model. SKR ???, MKS ???

You must set the communication speed the same as the one you have set on the display

I have the same configuration and ESP works fine

https://youtu.be/Dj6bc1YF-wk

Probably yes

if there is a problem with the WiFi connector on the TFT, you can use the WiFi connector on the SKR V1.4. However, there is a need to configure the...

In order for the wifi port to work on the SKR, you must define serial port 3. If you are using 2.0.7.2 you will need to make further adjustments. However,...

wifi on SKR V1.4 https://youtu.be/vq6Jx1QF02o

There are two serial ports that you can define -1 USB port 0 TFT display connector 3 WIFI connector If you define TFT and WIFI, .... You no longer need...