[Patrick] did just that, and wrote a small Arduino library that allows for ... Check out a quick video of his LED array in action below.

Pumpkin Eyes uses two MAX7219 LED arrays, an Arduino nano, and a USB power supply. Yeah, it’s pretty simple — but after watching the video you’ll probably want to make one too. It’s just ...

The Nova is a tiny RP2040 board with a 7x10 LED matrix for creative projects. It works with MicroPython and Arduino IDE ... It features an equally cute array of LEDs for you to toy with, and ...