Includes 3-axis gyro, accelerometer, along with a high-performance barometer
Onboard 4 MegaByte Dataflash chip for automatic datalogging
Optional off-board GPS, 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.