Motion Detection Use

by burrkie » Mon, 12 Oct 2009 21:49:25 GMT

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I was wondering if anybody knew if it is possible to track the speed
the phone is moving using the motion sensors. I've researched a bit
into how to calculate data from it but I was wondering if it is
possible to check say how fast the person holding the phone is moving,
and if they speed up or slow down?

or can it be used to determine the direction the phone is moving? I no
gps can do this but for the project I have in mind it would need to be
alot more accurate.

Motion Detection Use

by Mark Murphy » Mon, 12 Oct 2009 22:07:54 GMT


The "motion sensors" sense *acceleration*, not movement.

For any significant distance (e.g., 50 meters or more), I suspect GPS
will likely be more accurate than the accelerometer and the compass.

Mark Murphy (a Commons Guy)  | 

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