This code is for the Youtube video about a simple DIY RGB Led Matrix Clock see here: https://youtu.be/xni7RW5ren0
Needed library's for Arduino:
ESP32: https://dl.espressif.com/dl/package_esp32_index.json
Adafruit GFX library
Adafruit BusIO library
The code includes a modified version of this Library: https://github.com/mrfaptastic/ESP32-RGB64x32MatrixPanel-I2S-DMA