SpeedyBee F405 V4 Flight controller and ESC Stack.

Original 3DR Robotics Solo PixHawk 2.0 Cube for Flight Controller Drones - 2231

Aikon F7 Mini HD 20X20 V3 Flight Controller for FPV Drone New In Box

Pixhawk Pixracer R15 Autopilot Xracer PX4 flight controller

NEW- Diatone Mamba F722 Mini MK4 6S FPV Flight Controller ICM42688P 20mm x 20mm

Pixhawk 2 Cube - Used in great condition

Pixhawk Pixracer R15 Autopilot Xracer PX4 flight controller

Pixhawk Pixracer V1.0 Autopilot Flight Controller Module For RC Model Aircraft