Hans writes - This LED Matrix Clock is a feasability study for a much larger project I am building for my employer, Click here for a larger photo (800 x 350, 36K). The intention was to prove to myself (and my employer!) that I am able to drive an LED matrix from a PC. This is the first project I have made which is driven by a PC. The clock uses 3 B64CDM8/B48CDM8 8x8 5mm LED Matrix modules from Nexus Machines, each having an onboard MAX7219 display driver chip. These require an SPI serial inter....
MAKE Magazineon Jul 11, 07
