Question

Can one be simulated by periodicly syncing with GPS and in the meen while working with the accelerometer? I know for example that the N95 accelerometer is invarient to rotation on the Y axis (while beeing face up/down).

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Solution

The original iPhone and the iPhone 3G use GPS to calculate the heading, however the iPhone 3GS now has a 3-dimensional magnetometer compass in it.

This can only be done taking two GPS coordinates (while moving) and determining the direction from point A to B.

OTHER TIPS

iPhone doesn't have a built in compass; but there is one created in software. It's called Compass Free, and unsurprisingly perhaps, it's free.

Extra info: The IPHONE 1 did not have GPS or compass.

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