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

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

Honor launched the global version of the Magic8 Pro today in London, and I have been putting it through its paces as my main ...

Knowing a few precise mechanic terms can turn a confusing estimate into a clear conversation and keep you from paying for work you do not need. By understanding what these 14 concepts actually mean, ...

A mechanic who received a Nissan truck at his shop was completely shocked when he saw what was causing a “red light” under the vehicle.

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

The Oura Ring does not directly measure blood pressure. This feature is not currently available on the device. Oura focuses on sleep quality, heart rate variability (HRV), resting heart rate, and body ...

Home automation with high usefulness and low annoyance tends to rely on reliable person sensing, and [francescopace]’s ...

Getting started guide & review of the SONOFF Dongle Plus MG24 Zigbee adapter with Home Assistant, AirGuard TH monitor, and ...

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

I tested six popular thermometers and compared their ease of use, reading speed and design, and found two models I’d recommend to anyone for at-home use.

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...