rai0012

I already got it thanks for nothing

Uart3 works for me with marlin

Yes, in Marlin and in Klipper. What I can't get is the wifi to work in Marlin.

But the wifi works for you

Let's clarify a bit. I use marlin I have the dgus screen connected to uart 3 and working, I have the wifi module connected in its slot and it already...