Did you know all EVs have a traditional 12-volt battery, and without it they won't start? Learn more about this surprising EV ...

Electromechanical relays are electrically operated switches used to isolate circuits or batteries, detect faults on transmission and distribution lines, and control a high powered circuit using a low ...

SparkFun’s latest tutorial shows you how to work with relays. A relay is an electrically operated switch. In this case, they’re using it to switch a 120V AC outlet. The article carries the ...

Solid state relays (SSR) are electrically operated switches with no moving components and are used to isolate circuits or batteries, detect faults on transmission and distribution lines, and control ...