Some MD0657C2-R LED dot matrix displays for not a lot needed a project. The displays are mounted in groups of four on small PCBs, driven by a MAX6952, which are then controlled by a Pi Pico.

Contribute to wemos/WEMOS_Matrix_LED_Shield_Arduino_Library development by creating an account on GitHub.

Tobers Multidisplay turns your LED-Matrix display into a widely configurable and customizable message center. For ESP8266 or ESP32 and MAX7219 8x8 LED matrix modules.