SIMPLE LASER COMMUNICATOR

TALK IN SECRET OVER YOUR PRIVATE LASER BEAM LIGHT LINK.

image

BY SIMON QUELLEN FIELD

image
image

LIGHT CONVERSATION: No one will suspect you’re communicating through a laser.

Photography by Garry McLeod

How would you like to talk over a laser beam? In about 15 minutes you can set up your own laser communication system using a cheap laser pointer and a few parts from RadioShack. The audio signal from a microphone varies the power feeding ...

Get Make: Technology on Your Time Volume 16 now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.