How to Use the O3 Air Unit as a Receiver (F405 WING APP & Mini)

1， First, properly connect the wires according to the method shown in the images provided in the instruction manual. F405 Wing Mini Download (speedybee.com)

Details: POWER-POWER,GND-GND,TX5-RX,RX5-TX,GND-GND,SBUS-HDL

2， Carry out the correct frequency pairing by referring to the method outlined in the following link: How can we configure the DJI FPV remote controller 2 in the F405 V4 flight controller?
3， Proceed with setting up the Configurator.
      3.1 In the configurator, go to the Ports page and enable Serial RX for UART2, while ensuring Serial RX is disabled for all other UARTs, And open the MSP DisplayPorts of UART5.

      3.2 Check the receiver protocol settings in your goggles.
      3.3 Navigate to the Receiver page;

           if the protocol in your goggles is SBUS, then set the receiver protocol to SBUS in the configurator settings.
      If the protocol in your goggles is SBUS_FAST, then set the receiver protocol to SBUS_FAST in the configurator settings, save, and reboot.

By following these steps, your O3 Air Unit should be successfully set up as a receiver.