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HALJIA MMA8452 3 Axial Triaxial Digital Accelerometer Accelerator Sensor Module Shield$8.42
IIC digital ouput Up to two interruption function Three motion detection channels Free fall down or motion detection Pulse detection Vibration detection Features: Model: GY - 45 Power supply: 3-5v (communication fully compatible with 5v working system) Module size: 14.5mm - 20.5mm ...IIC digital ouput Up to two interruption function Three motion detection channels Free fall down or motion detection Pulse detection Vibration detection Features: Model: GY - 45 Power supply: 3-5v (communication fully compatible with 5v working system) Module size: 14.5mm - 20.5mm (long - width) Diameter of hole: 3mm Hole pitch: 15mm ApplicationS: Great for DIY projects Packing List: 1 x Sensor Module