GEPRC AIO Flight Controller GEP-F7-35-45A F4-35A ESC All In One F411 F722 Flight Stack Board per RC DIY FPV Racing Drone
Amazon.com: SpeedyBee F4 Flight Controller Stack:30x30 Bluetooth Stack with 4in1 50A ESC,Wireless Betaflight Configuration,Blackbox,Barometer for DJI Air Unit FPV Drone Fixed-Wing X8 (FC ESC Stack) : Toys & Games