please tell me the pinout of this module. I am also interested in whether it is possible to programmatically block the uart port so that AT commands do not pass.
This model’s hardware design note have not be released and I will send you another document about uart.
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thank you very much. Please tell me if it is possible to programmatically block the uart. I came across a couple of ready-made devices that have mc25 chips, but there are no AT commands. Boot mode only. how to do this in my projects
AT commands are sent via USB port not UART. You can try to block the uart programmatically and I think it’s possible.