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 ...

This all-purpose presence sensor is a master at monitoring indoor activity and linking it to smart home features you already use. For more than 10 years Tyler has used his experience in smart home ...

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.

Vivoo's attachable smart toilet sensor was unveiled at CES 2026 and is designed to analyze hydration levels in real time. Corin Cesaric is a Flex Editor at CNET. She received her bachelor's degree in ...

The sensor operates by transmitting ultrasound generated by PMN-PT single-crystal 1–3 composites into blood vessels, analyzing the reflected echoes to measure the vascular diameter and calculating ...

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, ...

Gamers across the UK are sitting on a combined £4.14 billion in unused consoles and are being urged by Virgin Media O2 to trade them in for cash. Around 49 million gaming consoles are sitting unused ...

The Thermostat Hub W200 combines many of the best features of Aqara's lineup to make a very compelling smart home thermostat. Reading time 2 minutes Aqara just announced a swath of new smart home ...

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, ...

Meta’s Reels has become a $50 billion business. Above is the launch video for the product from 2020. META Meta Platforms Chief Executive Mark Zuckerberg announced on an October earnings call that ...

These companies will play a crucial role in supporting the AI era. The AI revolution is driving nearly insatiable demand for hardware like high-performance GPUs, CPUs, networking equipment, and ...