简 介： 由于使用MicroPython，如果使用指令查询方式读取AM2302的数据，无法控制到非常精确读取时间信息。利用ESP32 MicroPython中的IO中断，获取AM2302的上升沿时间，利用ticks_cpu() 对于上升沿进行标定。然后在通过比较两个上升沿时间的差异，获取输出0,1数据。

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