We may earn a commission from links on this page. One of the most common first sensors people buy for their home is a motion sensor. But in almost all cases, you want a presence sensor instead. The ...

Kangaroo’s latest motion sensor adds entry detection to the mix, but its lack of geofencing capabilities or support for any type of security camera makes it tough to recommend. It’s one thing to snap ...

The presented schematic shows how to build a simple PIR motion sensor. PIR sensors allow motion sensing, it is almost always used to detect whether someone has moved in or out of the sensors range.

Tying together accessories across manufacturers is a key reason I love building around a smart home platform vs. picking manufacturers. One of the most underrated accessory types for HomeKit is motion ...

Need a cheap and easy way to deter intruders? For homeowners, outdoor lighting is a game changer for providing a line of sight on potential trepassers without running up costly energy bills. If you're ...

The ability to detect human presence can be a pretty powerful attribute for a number of devices. Versions of this technology have been around for quite some time, but artificial intelligence and ...