A demo to monitor QMC5883L's data.
- STM32F401RCT6
- QMC5883L
- OLED Screen (SPI, SSD1306, 128x64)
| Device | Pin |
|---|---|
| Board | LED --> C13 |
| QMC5883L | SCL --> B6, SDA --> B7 |
| Screen (SPI, SSD1306, 128x64) | SCK --> A5, MOSI --> A7, CS --> A8, RESET --> A11, DC --> A12 |
| UART | Host's RX --> A9 --> MCU's TX, Host's TX --> A10 --> MCU's RX |