[Alexis] stuffed this Jack o Lantern with a lot of brain power and even connected it up to the internet for community control. At the core of the festive decoration is a spark core, which allows ...

[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 ...