Abstract—(MEMS) Microelectromechanical systemsin consumer electronics are growing faster each year, with increasing demands from the mobile market, which is dominating the growth for this emerging ...

How do piezoelectric accelerometers — vibration sensors — work? The force caused by vibration or a change in motion (acceleration) causes the sensor's mass to “squeeze” contained piezoelectric ...

Detects when an object is near to the phone. Most commonly used to sense when a phone is held up to the users ear to turn off the display. This saves both battery life and prevents accidental screen ...