Ardupilot Mega APM 2,8 2,6 Flight Controller mit Anti vibration für Racing Drone FPV Quadcopter Arducopter RC Modell|flight controller|apm 2.6ardupilot mega - AliExpress
APM 2,8 APM 2,8 ardupilot Flight Controller M8N 7M gps Gebaut in Kompass für RC Quadcopter Multicopter F450 S550|propeller shaft|propeller boatpropellers for rc planes - AliExpress
A Pixsurvey V3 flight controller is recommended, developed based on FMU V3, which is more suitable for VTOL aerial survey - Pixhawk family - ArduPilot Discourse