How To: Make a fun lie detector

Make a fun lie detector

Make a simple lie detector that can tell the truth, or a lie. The schematic is on the video. No, it doesn't work on cats.

Want to help support Gadget Hacks and get a great deal on some sweet new tech? Check out all the deals on the new Gadget Hacks Shop.

Our Best Phone Hacks

Delivered daily to your inbox.

1 Comment

can I hook this up to my wife?

Share Your Thoughts

  • Hot
  • Latest