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

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

This free app lets you play around with smartphone sensors you probably didn't know existed.

I used Microsoft's free Windows 11 battery health tool to diagnose my PC - and got helpful results ...

Tommy Liu builds a vehicle-mounted particulate matter monitoring system powered from harvested wind energy and an integrated ...

Using the ATX 9801 is easy -- plug one end into a mains outlet, and it acts like a short extension lead with a digital display. The socket on the front accepts pretty much every power plug worldwide, ...