The Nokia 5140 has a compass that works in the conventional method, by reading the Earth's magnetic field vectors.
http://europe.nokia.com/A4144100 See the user guides, which are made with Flash... :o Here is a page in Finnish with more information about the compass .. sorry, couldn't find this in English. http://www.nokia.fi/A4312238 A quick translation: *Nokia 5140i -electronic compass technologies: * - 2D sensor with a GUI - detects the horizontal x and y vectors of the Earth's magnetic field - tilt indicator (air bubble) *Compass function:* - Electronics: - Driver & control interface detector (?) = magnetometer - Test circuit = continuous magnetic field generator - Software: - Compass with a needle + angle in degrees - Direction on-screen arrow - Direction may be set on a landmark and followed, and the offset from North may be entered - 1 degree precision - Mechanics - tilt detection 2008/1/23, Schmidt András <[EMAIL PROTECTED]>: > > Hi! > > I was thinking about the same problem. But once I have seen a working > compass in a phone already (we have crossed thick woods following the > compass :-) - it was a friend's phone, I think a Nokia). So it is not > impossible to integrate into a phone. >
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