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

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 ...

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

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

The best way to tell if you’re getting what you’re paying for each month is by running a simple internet speed test. We'll show you how.

There are many tools available to check your heart rate, but if you don’t have one, you can still obtain an accurate reading ...

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 ...

Our best laser tape measures review includes two Bosch laser tape measure models. We tested them both under real-world conditions to see how the models, from different ends of the pricing spectrum, ...