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DIY wireless power transfer: Build a simple coil circuit to light up LEDs!

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 ...
Electronics For You

Control AC Loads Wirelessly with This RF Relay Switch

The demand for convenient and reliable switching systems is increasing across homes, offices, and industrial environments.
IEEE

Enhancing Misalignment Tolerance Using Naturally Decoupled Identical Dual-Transmitter–Dual-Receiver Coils for Wireless EV Charging System

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 ...
Nature

Microwave Transmission Circuits Technique of Microwave Measurements Microwave Duplexers Crystal Rectifiers Microwave Mixers Microwave Receivers

AS readers of these columns will be aware, workers in the Radiation Laboratory of the Massachusetts Institute of Technology are producing a series of books on microwave techniques which, when complete ...
IEEE

A Dynamic Wireless Power Transfer System Using DC-Controlled Variable Inductor for Segment Transmitter Automatic Switching

Abstract: Segmented transmitter coils are commonly employed in dynamic wireless power transfer, and automatic switching is a preferred function to limit the transmitter current. This letter proposes a ...