Module Baudrate Setting And Query; Module Reset And Factory Reset - Waveshare RP2040-BLE User Manual

2.3 MODULE BAUDRATE SETTING AND QUERY

1. Once the baud rate is set, the chip will memorize it. The next time you turn it on, the
baud rate will be the one you set.
2. After setting the baud rate, please wait for 1 second, then send the reset [AT+CZ], or
power off.
3. If you want to restore the default baud rate, please send the command to restore the
factory settings, then the chip will automatically erase all configurations.

2.3 MODULE RESET AND FACTORY RESET

Reset Command: AT+CZ\r\n
Please wait one second after entering the reset command.
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