Flight Controller for Racing Drone

Beitian

Beitian BN - 880 Dual Module Flight Controller GPS with Compass and Cable for FPV Racing Drone

Speedybee

SpeedyBee F405 Mini Flight Stack with BLS 35A 4-in-1 ESC 20x20

ARRIS

Betaflight Omnibus F4 Pro V3S Plus Flight Controller Built-in OSD Barometer for FPV Quadcopter