SPI Receiver CC2500
Come with the build-in SPI Receiver CC2500, F4 1S AIO FC(SPI Rx) can compatible with Futaba S-FHSS, Frsky D8 and D16 protocol. The default Frksy protocol is Frsky D16, if pilots buy the wrong receiver of the SPI Frsky version or upgrade the wrong firmware accidentally, which needs to switch the protocol to Futaba or FrskyD8, please upgrade the Betaflight Firmware according to this tutorial.
Configuration
Protocol
FRSKY_D
Frsky D8
FRSKY_X Frsky D16 FCC
FRSKY_X_LBT
Frsky D16 LBT
SFHSS
Futaba S-FHSS"