It’s a fairly simple project, too: just hook an Arduino Uno up to a motion sensor and an electronic switch called a relay, then plug in your fan, and you’re good to go.

Having recently moved into a new home, I wanted to set up HomeKit lights in the kitchen that would turn on and off automatically. Ideally. So I got some Philips Hue bulbs, an Eve motion sensor ...

The motion sensor switch circuit can automatically turn on a water sprinkler but you can easily use it as a motion sensor light switch or motion activated alarm too. Before beginning the construction ...

Philips Hue motion sensor turns lights on for you All for the sake of convenience (and, let's be real, laziness).