Dear Chegewara: Thanks very much for your support. After several days attempting to solve the problem, finally we got it. It is related with the GPIO0, that by some reason can not be used to control the A0/DC pin of the TFT. As a GPIO pin, it works perfectly well (we tested it using the blink projec...

Hi: I appreciate any help for this problem. I have an ESP32-SOLO DevKitC V4, with a TFT LCD Module (ST7735) connected by SPI to the pins: CS - GPIO17 RST - GPIO2 A0/DC - GPIO0 CLK - GPIO27 MOSI/SDA - GPIO4 Operating perfectly well. In my customized PCB board, I am using the same chip (ESP-SOLO) with...