I've done a post about hooking up an 8x8 LED matrix display (obtained fairly cheaply from Adafruit) to a MAX7219 multiplexing chip. This is it in action, displaying the letter "c": [image] Circuit: [image] More details (code, other issues) here: Gammon Forum : Electronics : Microproc…

Interfacing an 8x8 LED matrix with the MAX7219 driver

system January 30, 2012, 11:52pm 2

Nice Nick.

I wonder where did you get the chip MAX7219 ?