In this video, I'm making a carbon monoxide monitor for my home using an MQ7 carbon monoxide sensor, a DHT11 temperature and humidity sensor, and a NodeMCU microcontroller board. This sensor is ...

Naomi Hoyer, DVM, DAVDC, discusses her recent CE lectures at the 2026 Veterinary Meeting & Expo and provides dental practice guidance.

When automating your smart home, much of the attention centers on cameras and lights, but I believe HomeKit door sensors are arguably among the most critical devices to add to your setup. I’ve written ...

Researchers from Guangxi University, China have developed a new gas sensor that detects ammonia with a record speed of 1.4 seconds. The sensor's design mimics the structure of alveoli—the tiny air ...

Discover how the Outdoor Research Versaliner Sensor Gloves perform in real outdoor conditions with this 4K gear review and test, highlighting fit, dexterity, touchscreen compatibility, and weather ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

Bald, faceless and empirically lifelike, this dummy may not be much to look at. But experts say it is a quantum leap forward in a decades-long effort to make cars safer for women. In November, ...

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.

For electrical engineers working in almost any part of the wired or wireless spectrum, the spectrum analyzer is a critical test and measurement tool. For optical engineering, the equivalent tool is ...

To make the iPhone as capable as it is, Apple equipped it with several sensors. One of these is the LiDAR scanner. LiDAR — short for Light Detection and Ranging — is a sensor that essentially measures ...

The Gen III TacIRST distributed infrared threat‑warning system will equip the F-22 Raptor, with an evaluation planned in 2026. Lockheed Martin has announced the first flight of the latest iteration of ...