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

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 ...

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 ...

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 using your pulse and counting in your head or using a stopwatch or timer.

Is your outlet not working and you're unsure why? In this short video, we guide you through the simple process of checking ...

Dr. Jeff Bohmer, Medical Director of the Emergency Department at Northwestern Medicine Central DuPage Hospital, joins Bob Sirott to talk about who can get the COVID vaccine, why nearly half of ...

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 ...

By analyzing blood biomarkers in more than 5,700 Hispanic and Latino adults, researchers at UC San Diego identified proteins ...

An ammeter is always connected in series with the component whose current you want to measure. This means it is placed ...