When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

Ever wondered how pros test auto wiring without stripping wires? This Harbor Freight kit helps you do it, like they do, without zapping yourself.

Over on YouTube our hacker [VIP Love Secretary] shows us how to make a simple MOSFET tester. This is a really neat, useful, elegant, and simple hack, but the video is kind of terrible. We found ...

Measuring tiny differences in high-voltage circuits usually requires specialized differential test probes, which are often expensive. Fortunately, it’s possible to build your own high-voltage probe ...

India's chip mission is just getting started. These 3 under-the-radar semiconductor stocks are making big bets. Can they ...

Find out how a digital technique performs multiplication on two bitstreams and avoids the cost of the analog multiplier.

Chinese LiDAR makers like Hesai and RoboSense are using robotic mowers to fast-track digital solid-state LiDAR, cutting costs ...

Following scrubbed launches on Sunday and Monday, SpaceX managed to launch the Starship rocket on its 10th launch flight on Tuesday. The most powerful rocket ever built blasted off the launchpad at ...

As USB-C PD becomes more and more common, it’s useful to have a tool that lets you understand exactly what it’s doing—no longer is it limited to just 5 V. This DIY USB-C PD tool, sent ...

1 Biology Department, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates 2 Department of Biosciences, Integral University, Lucknow, Uttar Pradesh, India Melatonin (ML) ...