Most of us have an 8x8 LED matrix from one of our Arduino kits. What can we do with them? This module investigates how to use these interesting devices. Along the way, we describe a fun electronics ...

This technical animation shows the setup and function of the Digital Matrix LED headlights in the Audi Q3 SUV. Pete Hegseth fires Navy chief of staff Jon Harrison McDonald's Halloween Boo Buckets Are ...

This module introduces the use of a LED Matrix with Adafruit Mini 8x8 LED Backpack. It uses the LED Matrix to practice calculating the perimeter and area of the rectangles which are displayed on it.

[Michal Janyst] wrote in to tell us about a little project he made for his nephew in preparation for Halloween – a jack-o-lantern with facial expressions. Pumpkin Eyes uses two MAX7219 LED arrays, an ...