First please make sure your RXSR receiver has flashed the correct F.Port PROTOCOL FIRMWARE , download from https://www.frsky-rc.com/r-xsr/ Connection diagram(Please careful weld since the tiny soldering pin) Betaflight setup: Enable Serial RX for UART2 and select Serial-based receiver for the Receiver Mode, then choose Frsky FPort in the tab list from Serial Receiver provider. Don’t…
How to add flysky ibus receiver or Specturm dsm2/dsmx receiver for the Crazybee F4 PRO V3.0 flight controller (Both version compatible)
Weld the signal pin of the ibus or dsm2/dsmx receiver to RX1 pad of the flight controller. Enable Serial_RX for UART1 and VTX(TBS_Smartaudio for UART2) ,then choose the serial-based receiver for receiver mode in the configuration of Betaflight, and then choose the correct receiver provider based on your receiver brand .
New Crazybee F4 V3.0 Frsky New Crazybee F4 V3.0 Flysky