Sometimes one good chapter is all that’s necessary to make a book worthwhile for a design engineer. The chapter Low-Power Wearable and Wireless Sensors for Advanced Healthcare and Monitoring might be ...

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 ...

1. When ac excitation is applied to the transmitter (lower) coil, it generates a magnetic field. When the receiver (upper) coil is placed in proximity and aligned with the transmit coil, that magnetic ...

SMPS is the abbreviation of switching mode power supply, a kind of high-frequency power conversion device and a power supply device. Its function is to convert a level of voltage to the voltage or ...

As the world shifts toward sustainable transportation, electric vehicles (EVs) have emerged as a key solution to reducing greenhouse gas emissions. However, one major hurdle remains: efficient and ...

NTT Inc. and Mitsubishi Heavy Industries Ltd. (MHI) conducted an optical wireless power transmission experiment using a laser beam to wirelessly transmit energy over a distance of one kilometer. By ...