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 ...

[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 ...

Invest in a transmitter/receiver and ditch trailing cables with our pick of the best wireless guitar systems from beginner to pro It used to be that the best guitar wireless systems were reserved for ...