I’ve a 3.5 enhanced unit that I erroneously powered in reverse. The display and touch screen still work, but serial comms seem to be dead.
Things I’ve checked:
- Project upload via SD card – WORKS
- Project upload via USB to TTL – DOES NOT CONNECT
- Arduino project that works with working replacement Nextion – NO SERIAL COMMS
Does anyone have ideas/suggestions of things I could look at to repair this unit?
Thanks in advance,