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 ...

This 2-in-1 Bluetooth transmitter and receiver adds wireless connectivity to non-Bluetooth devices, making it easy to stream ...

[GreatScott] does exactly this in the video after the break, building both a transmitter and receiver. At the most basic level, AM radio works by generating a carrier wave with an oscillator ...

Use FM transmitter devices to play phone ... FM radio apps may work even if your phone doesn't have an FM receiver. That's because many radio stations—both FM and AM—now also broadcast online.

He designed a transmitter to send and a receiver to detect radio waves. By the end of the century Marconi had managed to send signals over several miles with no wires, and the idea was taking hold ...

Space communication systems are increasingly based on optical laser beams rather than radio waves ... demands on both ...