- Please check the connection between the Bluetooth module and the flight cotroller.The TX of the BLE module should connect to the RX on the FC, and the RX of the BLE Bluetooth should connect to RX on the FC.
- If you have connected the BLE Switch, please disconnect it, and then test.
- Please check the setting of the UART which you have connected to the Bluetooth module, the MSP is on, and the baud rate is 19200.
- Please power the Flight controller through the battery, not use the USB cable.
- Test in short distance.
If still doesn’t work, please contact email@example.com with the model of your FC and the HD image for the connection between the Fc AND Bluetooth Module.