Module, tested 10 found 3 that could not be communicated normally, and the module was just fine. After the problem of a single module connecting the power and ground pins, the 15 -pin P11 STA was a low level.
A:
Module, tested 10 found 3 that could not be communicated normally, and the module was just fine. After the problem of a single module connecting the power and ground pins, the 15 -pin P11 STA was a low level.
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