Courtesy of www.MikeHolt.com. Based on the 2020 NEC. Article 725 of the National Electrical Code (NEC) covers remote-control, signaling, and power-limited circuits that are not integral to a device or ...

E-T-A Circuit Breakers has introduced the E-T-A 4930, a new remotely controlled, single pole circuit breaker (RCCB) approved to MIL-PRF-83383 for the protection of aircraft electrical systems and ...

The article provides details on device types such as dc supplies, converters, transformers and protection devices used in ...

[fahadshihab], a young tinkerer, shared his circuit design for a simple remote control using 555 timers. Using a 555 calculator, he designed a clock circuit that would run at 11.99 Hz. Two transistors ...

Courtesy of www.MikeHolt.com. Based on the 2020 NEC. Class 2 circuits are limited to voltage and current values that don’t (usually) present a shock or fire hazard. The power supply for a Class 2 ...

This application note describes the concepts and design of a boost preregulator for power factor correction. This note covers the important specifications for power factor correction, the boost power ...

A monolithic GaN mains power converter IC was the target of Leibniz University Hannover, which worked with Texas Instruments. And the result is a 15W off-line PSU that can feed a 30-60V LED string ...

Advances in methods that allow targeted remote control of neuronal activity open new possibilities for investigating and manipulating the function of neuronal circuits in vivo. The group of Michael ...

In a twist on nontraditional uses of ultrasound, neuroscientists have developed pulsed ultrasound techniques that can remotely stimulate brain circuit activity. The findings provide insights into how ...