spy gear
Laser Voice Transmitter and Receiver
Make Kit Reviews
Scitoys
Laser Voice Transmitter and Receiver
$25 and $7
Reviewed: November 8th, 2011
Make Kit Reviews
Scitoys
Laser Voice Transmitter and Receiver
$25 and $7
Reviewed: November 8th, 2011
This amazing demo shows how you can transmit sound over a laser beam. The transmitter modulates power to a laser pointer with audio from a headphone jack. The receiver is just an earphone and a solar cell; no power source. I assembled both in minutes, and it was strange (in a good way) to hear music […]
