Learn to interface an 8×8 LED dot matrix with STM32 using SPI and MAX7219. Covers initialization, wiring (PA5/SCK, PA7/MOSI, PA4/CS), and code walkthrough.
Learn STM32, ESP32, and embedded systems by writing code from scratch using datasheets and reference manuals. All tutorials are tested on actual hardware to help you build reliable, real-world projects with full control and understanding.