Simple Lie Detector


Posted on Apr 18, 2012

Here`s a simple lie detector that can be built in a few minutes, but can be incredibly useful when you want to know if someone is really telling you the truth. It is not as sophisticated as the ones the professionals use, but it works. It works by measuring skin resistance, which goes down when you lie.


Simple Lie Detector
Click here to download the full size of the above Circuit.




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