MPU-9150 9-axis accelerometer/gyroscope/magnetometer
         
The MPU-9150™ is the world's first 9-axis MotionTracking device designed for the low power, low cost, and high performance requirements of consumer electronics equipment including smartphones, tablets and wearable sensors. The MPU-9150 incorporates InvenSense's MotionFusion™ and run-time calibration firmware that enables manufacturers to eliminate the costly and complex selection, qualification, and system level integration of discrete devices in motion-enabled products, and guarantees that sensor fusion algorithms and calibration procedures deliver optimal performance for consumers.<br /><br /><i>(Source: InvenSense product description, 12/15/2012)</i>
         
 http://www.i2cdevlib.com/devices/mpu9150#source