Last year, I took a look at some mostly low-cost passive infrared (PIR) motion sensor modules. Then recently, I became more aware of cheap microwave radar motion sensor modules. The popular version of ...

There's really not much to the motion sensor. The sensor shoots out an invisible light field that spans 100 degrees horizontally and 100 degrees vertically. Its blind spot is 180-degrees to its sides.

Philips Hue's new motion sensor will light up the room Coming in October, the new $40 accessory can trigger Philips Hue lighting changes whenever it spots you entering the room.

Kangaroo’s new sensor (we’ve previously reviewed its motion-only sensor) makes for an enticing choice given its no-tools, no-hub setup, not to mention its $30 price tag.

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.

We add motion-sensing capabilities to the lab with the D-Link DCH-S150. Tyler tells us all about it and his experiences with the product and app.

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.

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

Two of the other products in the Eve lineup are the Eve Light Switch, a rather typical smart light switch, and Eve Motion, a battery-operated motion sensor.