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。

It's why DIY smart home projects suddenly got cheap (and actually doable) ...

You no longer need to spend money on expensive smart devices. If you take your data’s privacy seriously and want your smart home to operate locally, it’s high time to pick up a couple of ESP32 boards.

Wouldn’t it be great if you could keep all of your small Internet-connected hacks up to date with a single codebase? A couple of weeks ago, we wrote up a project that automagically pulls down OTA ...