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 ...

The motion sensor can be placed anywhere to control up to two rooms of lights. It has a motion detection range of about 5 meters, or 16.5 feet, so whenever anyone walks near it, lights turn on.

This motion sensor is tied to a stay-on switch for the kitchen. So, when I take out the trash, the kitchen lights do not turn off abruptly just because I have left the room for more than a minute.

Philips Hue is extending its Apple HomeKit compatibility for Hue accessories: Hue tap, Hue dimmer switch and Hue motion sensor. Meaning with a press of a button, or movement of your body, you can ...

Sensify is a new technology that can turn Zigbee switches, bulbs, and plugs into sensors with a firmware update. This could be how Philips Hue will bring ambient sensing to its smart lights.