https://esphome.io/components/display/max7219digit/
MAX7219 Digit Display - ESPHome - Smart Home Made Simple
Instructions for setting up MAX7219 Digit displays.
max7219 digit displaysmart homeesphomemadesimple
https://www.adafruit.com/product/453
MAX7219CNG LED Matrix/Digit Display Driver [MAX7219] : Adafruit Industries, Unique & fun DIY...
When you need some help driving a lot of LEDs, the MAX7219 is the best friend you could hope for. Many of us know that if you want to control a lot of LEDs,...
ledmatrixdigitdisplaydriver