[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 ...
A reference design from Maxim Integrated Products features four MAX7219 LED drivers, allowing designers to create a 16 x 16 LED display. According to the company, the reference design simplifies the ...