Set The Name And Address Of Bluetooth - Waveshare RP2040-BLE User Manual

Factory reset command: AT+CW\r\n
Please wait five seconds after entering the factory reset command.

2.4 SET THE NAME AND ADDRESS OF BLUETOOTH

1. After setting the bluetooth name, please reset the module, and use the mobile phone to
search again after reset.
2. The maximum length of the Bluetooth name is 30 bytes.
3. After modifying the Bluetooth name, if the device name displayed on the mobile phone does
not change, the main reason may be that you have not modified the Bluetooth address, resulting in
the mobile phone not being updated synchronously. At this time, what you need to do is to change
the pairing information on the mobile phone. Delete and search again, or search with another device.
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RP2040-BLE
User Manual