The UGreen Bluetooth 5.0 Transmitter and Receiver solves that conundrum by making our wireless headphones compatible with such outdated technologies.

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 transmitter is basic but allows transmission of audio to an AM radio. It consists of an RF oscillator operating in the AM broadcast band, together with a modulator stage, which mixes the incoming ...

This infrared tranmitter is intended for use with this infrared receiver. It works with 2 – 1.5V batteries or a 3V lithium battery. To give a compact infrared device assembly and still a good ...

The transmitter resembles an oversized recessed spotlight and can power multiple receivers within the 80-degree cone beneath it.