Requires .net4.0 running environment, see attachment.
Requires CH551/CH552 microcontroller production.
Lichuang Mall https://item.szlcsc.com/112518.html
video:
https://www.bilibili.com/video/BV1uG4y1q7Xn?vd_source=1f0f89712a577ee7669c25f161b40d4e
The 2-cent microcontroller used in the project
Lichuang Mall https://item.szlcsc.com/746389.html
Exchange and discussion
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