The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially a small generator that converts mechanical energy into electricity, bolted to the ...

The Harbor Freight MADDOX back-probe kit lets DIYers test automotive sensors safely. Just insert between wire and insulation, ...

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 ...

In part 1, we examined the operation of power supply supervisory ICs that can detect when the supply voltage is too low, and ...

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

For Linux users, the Google Stressful Application Test (GSAT) is an excellent tool for diagnosing memory errors. Alternatively, you can run GSAT in Windows using the Windows Subsystem for Linux (WSL).

This new paper by the International Federation of Clinical Chemistry and Laboratory Medicine (IFCC)–International Osteoporosis Foundation (IOF) Committee on Bone Metabolism details how to calculate, ...

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 ...

This universal battery tester couldn't be easier to use, and is a great way to determine which ones are still good.