Most switch-mode power supplies rely on a PWM (pulse-width-modulated) output that is controlled via voltage feedback. A 555-timer IC can inexpensively perform PWM. The circuit in Figure 1 shows how to ...

Over the years, various power-off circuits have been published. However, the circuit proposed here is very simple and has excellent characteristics. It features a fast power-off transition, with only ...

A digital switch is useful when you need to automate electrical appliances like your AC, geyser, water pump, irrigation pump, sauna, charging for solar inverter, and the like. It helps you handle ...

When you want to make your lights smarter without changing the bulbs, you’re likely looking at upgrading to a smart light switch. One of the more vital functions of a smart switch is its ability to ...

The new Power Timer, Model TMR-30KE P/N 390-0030-5 from Kussmaul Electronics, eliminates dead batteries caused by power drain from radios and data terminals that operate while the engine is off. The ...

Fast, Low-Resistance Nano Gap Electromechanical Switch for Power Gating Applications” was published by researchers at KAIST and Chonnam National University. Abstract “The growing demand for artificial ...