Test builds for Eachine 3D X4, CG023, Attop YD-829 and YD-829C Requires NRF24L01 module Protocol name: EAchine4 Channels mapping: AETR Channel 5: light Channel 6: flip Channel 7: take picture (if supported) Channel 8: start/stop video (if supported) Channel 9: headless (if supported)