参考文档
- https://docs.micropython.org/en/latest/library/machine.Pin.html
- https://zhuanlan.zhihu.com/p/496208408?utm_id=0 IoT项目在线仿真（Arduino, ESP32, Raspiberry Pi pico）
- https://github.com/JetBrains/intellij-micropython
- https://docs.singtown.com/micropython/zh/latest/moxingstm32f4/library/machine.html
- https://pico.wiki/index.php/2021/06/08/getting-started-with-raspberry-pi-pico-i2c.html