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. | ||