Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper wire, an LED, a 2N2222A transistor, and a 9V battery. This step-by-step ...

Each microphone can deliver crisp audio to the receiver at a maximum transmission distance of up to 400 meters. That’s a quarter mile range.

"After a few years installing and working with liquid-cooled transmitters, my feelings about them are mixed," writes.

Abstract: The rapid reduction of power transfer efficiency with misalignment is a matter of grave concern for compact high-power wireless power transfer (WPT) systems. The misalignment tolerance can ...