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 ...

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

We may receive a commission on purchases made from links. While it may seem intimidating at first, there are plenty of easy DIY auto maintenance projects that even the most novice DIY-er can handle.

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

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 ...

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 ...

LAS VEGAS — In the high-energy gaming halls of CES 2026, where the latest virtual reality headsets and haptic vests compete for attention, a quiet breakthrough from Scotland is promising to change how ...

The new sensor array detects key VOCs in cooked rice, correlating aroma profiles with quality, and creating a route to ...

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

Aqara has announced the Spatial Multi-Sensor FP400, a new presence sensor that it says is precise enough to suss out whether you’re sitting, standing, or lying down. The FP400 builds on several past ...

Michigan residents may be turning to space heaters amid extreme cold, but experts warn there are dangers involved.

The sensor lineup includes smart plugs, air quality monitors, and motion detectors, and automatically connects to Sidewalk without a hub or Wi-Fi. I’m PCMag’s senior writer covering smart home and ...