A live YouTube subscriber counter for the ESP8266 or ESP32, and 2 MAX7219 displays.
This requires Brian Lough's 'YoutubeAPI' Library, the ArduinoJSON Library, and libraries for the sketch you're using, either max7219 or m5stack.
More Info Here: https://joeybabcock.me/blog/projects/arduino-esp8266-live-subscriber-display/
ESP8266 Pins:
| LED Matrix | ESP8266 |
|---|---|
| VCC | +3.3V |
| GND | GND |
| DIN | D7 |
| CS | D4 |
| CLK | D5 |