[chuck-users] Bluetooth and Wiimote: a long-term feature request

Luigi Rensinghoff luigi.rensinghoff at freenet.de
Mon Apr 21 09:13:54 EDT 2008

Back to the old thread..

I would be interested in a more precise description of that simple  
trick actually...

or is there a paper or some reading ???

How do you calculate the exact x-y-z position from that ??



Am 17.04.2008 um 22:52 schrieb Inventor-66 at comcast.net:

> Normally one would use two 3-axis accelerometers and some signal  
> processing to get a full 6-DOF (Degree Of Freedom) tracker, but  
> there is a simple trick that uses only one.  What you do is you  
> obtain pitch, roll, and yaw from the gravity vector, or low-pass- 
> filtered component, and the X, Y, and Z from the dynamic  
> acceleration, or high-pass-filtered component.  It isn't perfect  
> but it does save you a sensor


Luigi Rensinghoff
luigi.rensinghoff at freenet.de

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