Lucky Bhumkar's Blog: Metal Detector for Mobile Phone

Feb 14, 2011

Metal Detector for Mobile Phone

Surprisingly, Metal Detectors Apps detects metal properties via inbuilt compass. This provides simple and fun way to do this. Simply turn the program on and it will start scanning for signals transmitted by metal objects.

How it works:
Mobile Metal Detector Apps
The built-in compass uses the earth's magnetic field to calculate the deviation from magnetic north. As with every compass, if you put a piece of metal nearby, it gets deviated. That's what is used here to detect metal.

Place your device flat on a surface. After starting the app, the gauge should show zero. If it doesn't, take your device and write a couple of "eights" in the air (this is to get rid of magnetism which might get stuck in the sensors).
Then use a pair of scissor or something like and move it slowly to the right side of your device. At a distance of approx. 5 cm. the gauge should start to move. Take your device and move it with its right side near metals, and see if the gauge shows values. (Source :


QR Code:

  • Really detects metal!
  • Sounds and Vibrates when detects
  • Customizable display text 
  • Freeware 
  • Moody




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