New Functions (Purchased After 2023/02/20); Bluetooth Status Detection Pin; Spp Password Setting - Waveshare RP2040-BLE User Manual

3. NEW FUNCTIONS (PURCHASED AFTER 2023/02/20)

3.1 BLUETOOTH STATUS DETECTION PIN

AT+CF00\r\n
AT+CF01\r\n
After the Bluetooth is connected, it is in high-level.
After setting, it takes effect after resetting/rebooting.

3.2 SPP PASSWORD SETTING

AT+B100\r\n
AT+B101\r\n
AT+BE1234\r\n
Note:
1. Connection passwords must consist only of digits; letters are not allowed.
2. The length of the connection password must be exactly 4 bytes.
3. Enabling a password will occur automatically after setting it.
4. After setting a password, it will not affect previously configured devices unless the Bluetooth
address is changed.
5. All settings take effect after a restart.
Output low level when the Bluetooth is not connected
When the Bluetooth is not connected, high and low level changes
Closed pairing password, the next time you connect without having
to enter the password to connect
Turn on the pairing password, the next time you connect you need
to enter the password to connect
Set the Bluetooth connection password to "1234", which can only
be a number but not a letter.
13
at a frequency of 1 Hz
RP2040-BLE
User Manual