Which is the user serial port of the NB module? What is the baud rate?
Last Updated on：2023-03-16 09:24:19
Baud rate supports 9600 and 115200 adaptive.
You can refer to the specifications of the specific module：https://developer.tuya.com/en/docs/iot/nb-module?id=Kaiuymgk901fv
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