How to build a lie detector for under $20
November 29, 2007 by Kiltak |Here’s a short video tutorial that will teach you how to make a cheap lie detector for under $20. Can anyone here confirm if “commercial” lie detectors also work that way?
You Might Also Like:
- Mastering the Costanza: Eight Steps to Beating a Lie Detector
- Monday Morning Links Serving: The July 30th Edition
- Articles and Reviews
- AVG Does Freebie RootKit Detector
Did you enjoy this post? If so, subscribe to the geeksaresexy RSS feed.
Subscribe by Email














I can’t verify if commercial lie detectors are similar, but wow, that’s an awesome vid. I’m saving that for later… experimentation.
good one!(no lie) i think i will build one.(no lie) i’ll get back to you on that (sound quality changes)…..
jon
nice vdo , human creativity is unlimited
Nice one!
so how to know if that person is lying?
the sound pitch will get lower or higher?
i’m a little confused.