📑 Pinout
| Pins | Group | IO功能 |
|---|---|---|
| 1 | NC | - |
| 2 | NC | - |
| 3 | NC | - |
| 4 | MEMS_INT | MPU6050 中断引脚 |
| 5 | NC | - |
| 6 | NC | - |
| 7 | LED_SW1 | 蓝色 LED 控制线 |
| 8 | LED_SW2 | 红色 LED 控制线 |
| 9 | IIC_SCL | IIC时钟线，传输时钟信号 |
| 10 | IIC_SDA | IIC数据线，传输数据信号 |
| 11 | NC | - |
| 12 | NC | - |
| 13 | NC | - |
| 14 | NC | - |
| 15 | NC | - |
| 16 | NC | - |
| 17 | GND | 电源地 |
| 18 | V3.3 | 3.3V输入 |
| 19 | GND | 电源地 |
| 20 | V5.0 | 5.0V输入 |
