Andoer ArduPilot Mega APM2.6 Flight Controller Board+ Ublox 6M GPS with Compass DIY Drones APM 2.6 for FPV Multirotor Quadcopter Part Arduino ArduPilot Mega APM 2.6 Ublox 6M GPS Arduino Compatible! Comes pre-soldered (with angle pins) and tested. Includes 3-axis gyro, accelerometer along with a high-performance barometer