MPU-6000 (aka MPU-6050) 6-Axis MotionTracking 3-Axis Gyroscope 3-Axis Accelerometer Digital Motion Processor I2C Mini Module - NCD Store
ALAMSCN 3 Set GY-521 MPU-6050 MPU6050 Breakout Board, 6 DOF MPU-6050 3 Axis Accelerometer Gyroscope Sensor 16Bit AD Converter Data Output IIC I2C with 170 Point Mini Breadboard DIY Kit for Arduino: