The Aqara FP300 is a battery-powered presence sensor with Thread and mmWave radar, giving HomeKit precise motion and ...

Bermuda enables device proximity in a room without using any trackers or apps. Using an ESP32, it works as a Bluetooth proxy, ...

If you’re shopping for one today, though, you can snag a nice 26% discount on the Philips Hue Outdoor Motion Sensor, which ...

At the heart of every camera is a sensor, whether that sensor is a collection of light-detecting pixels or a strip of 35-millimeter film. But what happens when you want to take a picture of something ...

An interdisciplinary research team from Dresden University of Technology (TUD), Rostock University Medical Center (UMR) and Dresden University Hospital has developed an innovative, implantable and ...

Most of the universe is missing, yet its pull shapes galaxies and bends light. Trump officials restrict top ratings for staff across federal agencies Judge refuses to grant Sarah Palin a new trial in ...

This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.

If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds ...

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. This past year, I've tested many ...