I think the accelerometers don't provide enough accuracy. 2008/1/23, joerg <[EMAIL PROTECTED]>: > Am Mi 23. Januar 2008 schrieb Tilman Baumann: > > François TOURDE wrote: > > > > Maybe the 3D accels can do that. And the GPS can be used as a bearing > > > indicator, when you move. No magnetic device needed in this case. > As stated in prev posting, GPS _can_not_ deliver bearing of device at all. > Imagine having the GTA in your pocket while moving - there's not the > faintest > relation between movement vector as seen by GPS and bearing of GTA. > > > > > Gyroscopes is what you look for. ;) > > Accelerameters don't see rotational movings. > Though gyro won't help here at all, i think TWO 3D-accelerometers placed > some > distance from each other in a system make a nice gyro with the aid of some > mathematics in driver. IIRC there was mentioned more than one acc-meter for > the GTA. I thought that's exactly for this purpose. > > jOERG > > _______________________________________________ > OpenMoko community mailing list > [email protected] > http://lists.openmoko.org/mailman/listinfo/community >
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