Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

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

What started as an unexpected flat tire during my week with the 2025 Toyota 4Runner Hybrid Trailhunter turned into a real-world moment that revealed how this SUV handles problems, pressure, and ...

The iconic sleep-tracking smart ring is accurate and comfortable—but smart rings make poor activity trackers.

Abstract: Aiming at the demand of oxygen partial pressure measurement in aerospace and aviation, a tunable diode laser absorption spectroscopy (TDLAS) technique is proposed to realize the oxygen ...

Abstract: Automatic food portion size estimation (FPSE) with minimal user burden is a challenging task. Most of the existing FPSE methods use fiducial markers and/or virtual models as dimensional ...

Differential pressure sensor is an electronic device designed to measure and calculate pressure difference between two points, one connected to each side of the sensor. Silicon-based board mounted ...