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 ...

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

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 ...

Ford’s CEO says 5,000 jobs are open. Mechanics say there is little wonder why.

Aqara is introducing a new presence sensor that is a natural addition for HomeKit users who want reliable automations without the need for a camera. The new Aqara FP300 combines mmWave presence ...

There's a chance of a severe storm every winter that threatens to knock out the power, block the roads, and even trap ...

We can't get enough of our Suunto Vertical 2 — this rugged smartwatch has everything athletes and outdoor explorers may ever ...

Announced at IFA 2025, the Luna Smart Ring Gen 2 is the second generation that tracks your biomarkers, and helps you ...

The chief medical officer is interested in an easier path to market for health screening features in wearable devices.

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 ...

Light and thin wearable offers basic but effective health and fitness tracking along with outstanding battery life ...