It's working. I reviewed the files and I forgot to uncomment
//#define TFT_CS -1 // Not connected
Because I thought it wasn't important.
Thanks!

Hello, I stumbeled upon the same problem while experimenting. I got a ESP32 38-pin where I got this st7889 display working. Now I want to have it working on the ESP32C3 as well. I tried your suggestions but I can't get it to work (yet). Nothing happens when I wire the board like you suggested edit: ...