Simple Lie Detector

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The simplest form of 'lie detection' is skin conduction. Which can be measured with two electrodes in close contact on a fingertip or palm.
 
I can't imagine that circuit works that well. It might be a fun school project or party game, but it certinly isn't going to show if somone is lying.
 
Andy1845c said:
I can't imagine that circuit works that well. It might be a fun school project or party game, but it certinly isn't going to show if somone is lying.
It's a lie detector that lies about the results!
 
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