Infrared Voice Transmitter Circuit
A highly unique Infrared voice transmitter circuit that is used in
situations where an RF transmitter can not be deployed, such as in
clandestine operations. All sounds, including conversations are picked
up by the electret element, amplified, and then through an
Most Infrared diodes will work. The Infrared light
waves are picked up by an Infrared receiver up to 200 feet away. The
total current consumption of this device @ 9 Volts is 20 Ma.