Fortunately, if you’ve ever needed to test the voltage on your USB-C devices, there is a tool for you. There are quite a few USB-C voltage meters on the market, including one from one of my favourite ...

Have you ever plugged in your laptop or phone and wondered why things are taking so long? How fast is it really charging?! Well, you’re not alone. For those interested in finding out how much power ...

I'm looking at getting a NOCO 10x4 charger. I have a 20A circuit in my garage. I'm not an electrician and I'd like to understand the math behind how this will work? I was told this wound't trip a 20A ...

You just finished installing a dual, 12-inch electric fan package in your Chevelle and life is good. With both fans spinning, it keeps the engine between 180 and 190 ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. Plugable is one of those fascinating companies that make ...

In today’s boats, electric power rivals the importance of engine horsepower. Even the electronic control unit on today’s marine engines—that brain that makes outboards and inboards do what we want ...

As analog engineers, it’s tempting to fantasize about one day coming close to designing the ideal operational amplifier we encountered in college: infinite bandwidth, zero output resistance, and so on ...

The input transformer is likely to be the most expensive part of the entire project. As an alternative, a couple of 12 Volt car batteries could be used. The input voltage to the regulator must be at ...

When it came time to test the lab prototype described in part 1, I realized that I had no signal generator with enough output voltage swing of any waveform to exercise the circuit. I have generators ...