But for a weekend project, [Vinod.S] took the ultrasonic transmitter and receiver from a distance-meter module and used amplitude modulation to send music ultrasonically from his laptop to a ...

For example, using pulse code modulation, pulses from different signals are interleaved in time, and by synchronizing the receiver and transmitter to look at the overall signal at a given time, the ...

Here’s how it works. The Microwave Radio Communications Reporter is a compact, rugged wireless camera transmitter offering full broadcast quality performance. Designed for a cameraperson to broadcast ...