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

The MAP sensor is an important part of a car's operating system. But lots of things can make it go bad. Here's how you'll ...

A vehicle’s Check Engine light can turn any car ride into a harrowing experience. As soon as the check engine light ...

Babies cannot explain what they are feeling, but the smart pacifier could give clinicians a clearer picture of respiratory ...

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 ...

Palm reading, also known as palmistry, has been practiced for centuries as a way to understand personality traits, emotional patterns, and possible future paths by analyzing the lines and shapes of ...

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 ...

Fifteen years ago, Daniel Ek broke into America’s digital-content wars with his streaming music start-up, Spotify, which has ...

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 ...

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 ...