AeroSky APM 2.5 Flight Controller Board with GPS Upgrade Kit for AeroSky C6 Quadcopter RC Remote Control Radio 05P-C6-6666-APM-GPS-Upgrade-KIT
Mauch M041 FC cable for pixhawk 1 / apm (df-13 6 pin) - aeroboticshop.com
Apm2.8 Apm 2.8 No Compass Flight Controller Board Horizontal Side Pin With Case For Diy Fpv Rc Drone Multicopter F17884 - Flight Controller - AliExpress
1pcs APM2.8 APM 2.8 Multicopter Flight Controller 2.5 2.6 Verbeterde Ingebouwde Kompas Rechte pin met Case voor RC Quadcopter|apm 2.8|ardupilot megaflight control board - AliExpress