STM32F0 Graphic Equalizer

Another cool buy that I’ve found on eBay is a 8×8 LED matrix powered by the MAX7219 (Example:¬†http://goo.gl/lkyY4c). Its really easy to interface and uses SPI which I’m beginning to think is my favourite protocol! The STM32F0 is a pretty high quality processor based on the ARM Cortex M0 and doing a simple 8 point […]