Some motion sensors are based on optical measurement technologies to provide accurate velocity and position measurements without requiring physical contact with the object or surface being monitored.

GlacialLight has added the GL-PIR10C, a versatile infrared motion sensing switch, to its popular range of lighting products.

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.

If your iPhone's sensors aren't working correctly, you may need to calibrate them. Here's how to calibrate an iPhone's brightness and motion sensors.

A presence sensor uses wave radar technology to sweep a room, looking for the slightest movement, not the broad gestures that would be caught by a motion sensor. Aqara is the best brand for ...

After months of delay, the Xiaomi Smart Ceiling Light D20 is finally available to buy. Its standout feature is a built-in radar sensor that detects motion to automatically turn the light on or off.

Eve’s new smart home motion sensor works with Apple HomeKit out of the box and is expected to be upgraded to Matter when the smart home standard arrives later this year.