Turn A Calculator Into A Metal Detector

Started by joeblow, May 09, 2008, 05:42:49 PM

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joeblow

May 09, 2008, 05:42:49 PM
Turn A Calculator Into A Metal Detector

http://www.metacafe.com/watch/940341/turn_a_calculator_into_a_metal_detector/

Make a homemade metal detector using household items.

http://www.metacafe.com/watch/958265/how_to_turn_a_calculator_into_a_metal_detector_improved_model/

Turn a normal calculator into a metal detector. With this improved model, you can increase detection depth range to about 6-10 inches and eliminate the static noise interference.
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