This example demostrates how to use ST7920 128x64 LCD Module with ESP-IDF in Serial Mode (NOT SPI). The module works using Serial Communication with MCU. Texts, Graphis (using bitmap) and any fonts ...
If you have similar problams as I had, i.e. not able to control the LCD ST7567S device using I2C on ESP32 microcontroller, then this repo might help you :) In my case, I have used GM12864-59N V2 LCD ...