This is the new 64mm ducted fans quad，with newest F3 FC , flashable to Cleanflight/Betaflight.
You just need the FrSky transmitter and FPV display or goggle，then you could experience indoor FPV racing with great fun!
Binding & Betaflight Setup Procedure with External FrSky RX
a.Turn on transmitter, create new mode and enter setup, the Mode must be D8.
b. Power on the quadcopter by connecting the battery,red LED at the tail of the drone will flash rapidly on receiver after 6 seconds, the receiver is in ready for binding mode.Then turn on the transmitter, enter the binding mode, the red LED will turn solid, this means it has binded successfully with the default mode in SBUS.
Connecting the USB cable will not power on the FrSky RX,so you MUST connect the battery when binding.
Turn on the transmitter for 6 to 30 second to be binded in SBUS mode; Turn on the transmitter after 30 seconds to be binded in PPM mode. The flight controller will default SBUS mode.
c.For each flight, turn on the transmitter firstly, then power on the quadcopter, if the receiver has a solid red LED,this means it is binded correctly,with RSSI telemetry.
With FrSky RX,there are several different configurations to DSMX RX with Betaflight GUI .
The FrSky receiver is serial.It outputs SBUS signal.
Ports Tab:Switch on Serial RX of UART2.And click the Save and Reboot button in the lower right corner.
Configuration Tab:Receiver Mode, choose RX_SERIAL; Serial Receiver Provider, choose SBUS.And click the Save and Reboot button in the lower right corner.