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 ...

Most homes have far fewer electrical outlets on the outside than on the inside, which can pose a challenge when powering outdoor devices. The Power Mole V2 is here to help, by transmitting even more ...

transmitter/receiver used by the French underground to communicate with the Allies. Many of these radios were dropped behind enemy lines and could run on European AC or 6 V DC with the added ...

This design consists of a differential transmitter (Tx), incorporating the differential transmission's inherent noise rejection advantage, and a two stage differential receiver (Rx) which improves ...