Abstract: This article focused on investigating the resonance frequency of piezoelectric transducers (PZTs) and the impact of different compensation methods on the performance of ultrasonic wireless ...

Discover the SendX Audio HD Wireless Transmitter/Receiver System! Whether you're upgrading your audio setup or going wireless, this system promises HD sound quality. Watch the demo and review!

Engineers at the University of California, Berkeley, have developed a tiny flying robot inspired by flying insects. It is less than 1 centimeter in size with only two tiny magnets and weighs only 21 ...

Radio waves travel fast, and they can bounce, too. If you are able to operate a 25-meter dish, a transmitter, a solid software-defined radio, and an atomic clock, the answer is: yes, they can go ...

There are many ways to build a radio receiver, but most have a few things in common, such as oscillators, tuned circuits, detectors, mixers, and amplifiers. Put those together in the right order ...