It's evident right in the name why a multimeter can be so handy — it measures multiple things, including voltage, current, and electric resistance. This makes it useful whether you're a professional ...

A capacitor is an essential component in many electrical and electronic circuits. It stores and releases electrical energy when needed, helping regulate voltage and maintain power stability. Over time ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Proper precision calibration resistors are expensive and usually bulky, often in a large box or can. These are overkill for low-cost handheld digital multimeters (DMMs) and LCR Meters, especially when ...

A technician going at an appliance with a multimeter can seem like techno-wizardry, even if they're doing something as boring as diagnosing a dishwasher that isn't drying dishes. The magic is actually ...

The UNIX ping command lets you test network servers and latency. Here's how to use it in the macOS Terminal app. The UNIX ping command is a tiny UNIX network tool that allows you to test your network, ...

The AirPods Pro 2 models have a Hearing Aid feature. First, you take a five-minute hearing test on your iPhone. As long as you have mild to moderate hearing loss, your AirPods Pro 2 will adjust to ...

Excessive drinking can damage the liver. Yet, unlike obesity or high cholesterol, clinicians only screen for alcohol use by asking their patients how much they drink. Turns out that method is not ...

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.” ...

You can check if someone's using your WhatsApp account by navigating to the Linked Devices section on the app. If you find a suspicious device or activity, you can remove it from your WhatsApp account ...