As the only electronics engineer in my family and circle of friends, it is sometimes not possible to evade an appeal for help. This time the request came from a friendly elderly lady in a retirement ...

We frequently get home automation tips, many of which have simple circuit-based on/off control for lights. [Paulo Borges] has created something quite different, however, with his in-the-wall ...

This light activated remote switch circuit could be operated using a flashlight beam and could eb used for toggling a specified load from a distance using an external light source such as a flashlight ...

Wall switches are more fun than you think.

From scrappy startups to mega giants like Philips and GE, it seems like everyone wants to build a smart lightbulb. After all, who wouldn’t want to be able to flip off that light they left on ...