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 ...

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 ...

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 ...

The global sensor patch market revenue was around US$ 2.2 billion in 2023 and is estimated to reach US$ 56.4 billion by 2032, growing at a compound annual growth rate (CAGR) of 43.2% during the ...

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 ...

A research team led by Professor Jiang Changlong at the Hefei Institutes of Physical Science, Chinese Academy of Sciences, has developed a highly sensitive, real-time sensor for detecting trace water, ...

If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds deceptively simple. There’s a metal plate with current flowing across it in one ...

A new survey finds 38% of drivers have ignored a check-engine light in the past year, making it the most common risky ...

The RDO Trio's smart wiping system turns on automatically when dissolved oxygen readings drop below a user-set level. It clears away buildup that can cause incorrect low dissolved oxygen readings.

There are a lot of aviation apps out there that allow you to access useful aviation and weather data from your wrist. Here we ...