Monday, May 14, 2012

Lie Catcher


Here is a circuit that you can have fun with your friends. Especially you can catch your girl friend or your boy friend when ever they say lies. Circuit is very simple and you can build it with in few hours. But you will surprise with the results.
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For two electrodes you can use wires but to get best results use electrode pads which use in the hospitals. Attach the electrode pads to the back of the hand from one inch apart. Make sure meter should be zero before you start. If the person is lying the meter point will get move.

To operate the circuit it needs two voltages separately as shown in the diagram. You can use alkaline batteries for long use or two 4.5 V two power packs if you want.



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