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.

Automated test stations don’t always need proprietary test tools. Using a microcontroller, a PC, and free software tools, we developed an automated test station to test and align motion sensors. Test ...

Blinding light, guiding light, or something in between, the best outdoor motion sensor lights make sense as a home accessory.

If you can install a conventional outdoor light fixture, you can install a motion sensor light, although aiming and adjusting it takes extra effort.

An outdoor motion sensor light offers security and illumination. Our home security expert recommends six models, including battery- and solar-powered lights.

One editor tests out Amazon's EZVALO Rechargeable Motion Sensor Light. Check out her review and photos of the product that went viral on TikTok.

Ring says its outdoor motion sensor “lets you monitor for motion in areas where you don’t need a light, doorbell, or camera….” That seems like a silly justification at first blush.

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

Applied Technology Associates, Inc., (ATA) has developed a new angular motion sensor based on the laws of magnetohydrodynamics for the Department of Transportation. The magnetohydrodynamic angular ...

The new second-generation Eve Motion HomeKit sensor adds Thread support, an integrated light sensor, and costs less than the previous model.