We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are ...

In November, Withings released its long-awaited U-Scan: a home monitoring system for your urine. The gadget resembles an ...

When a car keeps cutting out at red lights, the problem rarely feels minor to […] ...

The OnePlus 15R has a lot going for it: a beefy battery, a brilliant display, a solid user experience, and if you're in the ...

Searching for the best baby monitor? Discover our top choices for clear audio, video, and smart features - helping you keep a close eye on your little one for peace of mind, day and night.

PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...

This all-purpose presence sensor is a master at monitoring indoor activity and linking it to smart home features you already use. For more than 10 years Tyler has used his experience in smart home ...

Vivoo's attachable smart toilet sensor was unveiled at CES 2026 and is designed to analyze hydration levels in real time. Corin Cesaric is a Flex Editor at CNET. She received her bachelor's degree in ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

TL;DR: A one-time $27.99 turns your phone into a full-featured document scanner and PDF editor forever—no bulky hardware required. It’s 2026. We have self-checkout everywhere, AI writing emails, and ...