Compass

iPhone 3GS Tip: Use Digital Compass with Google Maps

by Simon Ng on August 28, 2009

You may know iPhone 3GS comes with a built-in magnetometer (i.e. digital compass) which works exactly the same as the magnetic needle compass. Built as a standalone application, the digital compass app comes with a beautifully designed interface. When it’s launched, the app shows you the position you’re facing along with the coordinates.
From some [...]

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