How does a Ring doorbell work? What you need to know about the video home-security device

The Ring doorbell works by allowing you to see who's at your door whenever there's motion detected, even if you're not home.

What is LiDAR? How everyday devices use lasers to scan your environment

LiDAR uses lasers to measure the distance, shape, and orientation of objects around you, making it great for both mapping and modeling.
How-To Geek on MSN

You Can Turn Almost Any Philips Hue Bulbs Into Motion Sensors, but There's a Catch

As long as you have a Hue Bridge Pro, for no additional cost, you can use MotionAware with compatible Philips Hue devices to ...
The New York Times

Echo’s Hidden Motion Sensor Can Turn On Your Lights and Other Cool Stuff

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› Advice, staff picks, mythbusting, and more. Let us help you. Published June 14, ...
Lifehacker

CES 2025: Aqara’s Newest ‘Presence Sensor’ Keeps the Lights on Better Than a Motion Detector

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 ...