While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

We may receive a commission on purchases made from links. Electrical diagnostic work is one of the most challenging parts of automotive repair. It can be incredibly daunting for beginners or DIY ...

I’m about to buy a digital multimeter to troubleshoot all sorts of electrical issues around my home. I’ll be blunt. Do you own one? If so, which one? What do you like about the one you have? There ...

A multimeter and its test leads allow electrical workers to reach into an energized panel, touch live circuit components with the end of the test leads, and capture electrical readings like voltage, ...

Multimeters are a vital part of any electronics project, but learning how to use one isn't as simple as it looks. Thankfully, the above video from Adafruit walks you through pretty much everything you ...

How do you know if a resistor is correctly restricting the flow of electricity? Using a multimeter is an obvious answer. However, there is more to it than meets the eye. This article will explain what ...

If you own a recent iPhone and a MacBook or Apple desktop computer and you want to add a great webcam, I have news for you: You may already own one. Apple’s Continuity Camera feature lets your Mac ...

The reality is that like almost every component under the hood, a car battery has a finite lifespan and will conk out on you eventually. Weather conditions, corrosion, electrical shorts, charging ...

The Mac’s FaceTime camera sucks–720p or 1080p, it doesn’t matter. But Apple does make great cameras, like those in the iPhone, and with macOS Ventura and iOS 16, Apple is leveraging its iPhone cameras ...