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Tag: Lie Detector

Simple Lie Detector

January 14, 2010 Circuitguy

To know someone is lying  or not we can use lie detector. This is a simple lie detector that can be made in minutes. It works to detect the someone who telling lie but it is not as sophisticated as the ones the professionals use. Here is the schematic diagram of this circuit: The skin resistance will go down when […]

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Category: Bio and Medical, Testing and Measurement Tags: Lie Detector

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