So you want to control some mains electrical (or lower voltage) item using your phone, perhaps? This single ESP8266 plug-in controls a relay that is built in to the module. An Android app (.apk) ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Impulse relay is a viable alternative for lighting control from multiple locations. In modernistic houses and apartments, lighting schemes to control lights from two or more locations are becoming ...

Abstract: To investigate the response patterns of the relay module to conducted electromagnetic interference (EMI), a conductive susceptibility experiment was carried out using direct injection method ...

On the very first day of Olympic track and field in Paris, a world record was shattered. The U.S. mixed 4x400m relay team won their heat by a wide margin, and put themselves in the history books.

In need of a simple microcontroller board for your project? Then, an Arduino board might be exactly what you're looking for. This open-source hardware platform comes in a multitude of versions, from ...