(Note: electronic lie detectors are not healthy for human trust and results of such machine is not admissible in U.S. court of law. Such results to sway case determination judgment casts fate of a case to only two outcomes, excluding judgment in disposition that before and after other case results will affect at case opening that may interject the outcome as a human position of a judgment overruling. The source of this schematic was acquired from Google.com/images search results)
Searching for lie detector brought up this schematic, it was hard to read when I printed it so I put it in everycircuit.com, this one is a game just for fun. This obviously not a polygraph, is also available as a open face circuit for 11.99$ on the internet. It seems very well for testing the level of sweat or perspiration (and water) on the subjects fingers. - nforystek
