APM 2.8 Flight Controller with Built in Compass

Specifications : Straight Needle Arduino Compatible! Onboard 4 MegaByte Dataflash chip for automatic data logging. Optional off-board GPS, a uBlox LEA-6H module with Compass. One of the first open source autopilot systems to use Invensense’s 6 DoF Accelerometer/Gyro MPU-6000. Barometric pressure sensor upgraded to MS5611-01BA03, from Measurement Specialties. Atmel’s ATMEGA2560 and ATMEGA32U-2 chips for processing and USB functions respectively.