Accelerometer: Difference between revisions

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	[[Accelerometer]] is a sensor that measures the proper acceleration or g-force of a [[device]]. Unlike coordinate acceleration (rate of change of velocity), proper acceleration takes gravity into account.		[[Accelerometer]] is a sensor that measures the proper acceleration or g-force of a [[device]]. Unlike coordinate acceleration (rate of change of velocity), proper acceleration takes gravity into account (accelerometer resting on the sea level of earth would measure 1g or 9.78 m/s^2 upwards). Measuring the acceleration of gravity allows the smartphone to know whether its held in portrait or landscape mode.

	In [[virtual reality\|virtual]] and [[augmented reality]], accelerometers are often part of [[IMU]]s used for [[rotational tracking]]. They are used to track the [[rotational movements]] of pitch, yaw, and roll.		In [[virtual reality\|virtual]] and [[augmented reality]], accelerometers are often part of [[IMU]]s used for [[rotational tracking]]. They are used to track the [[rotational movements]] of pitch, yaw, and roll.