This is a shot of it scrolling the message HAPPY HALLOWEEN ... the rabbit hole of LED Matrix design but before that let’s look at what it took to make this Jack-‘o-lantern.

[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 ...

A pumpkin lantern is an iconic Halloween decoration ... and ones that are too small may not fit a candle or LED light. While ...