modulated sounds waves. The transmitter and receiver For the transmitter, he turned an Arduino Pro Micro into a USB sound card which he could plug into his laptop. That outputs both the audio ...

[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 ...

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, as the signal ... demands ...

which sends radio waves of different frequencies from an RF transmitter, through a soil sample to an RF receiver, which reveals the effect the soil—and how much lead is in it—has on the signal.

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 ...