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 […]

128×64 eBay OLED display based on SSD1306

Finding cool electronic parts on eBay is great and buying them from asian countries is even better, one of these is an 128×64 pixel OLED display! (Example: http://goo.gl/4nL2eL) I’ve got an SPI version of this display and with lots of help from the data sheet, I’ve made a library suitable for the STM32F0 discovery board, its […]