Digital multimeters (DMM), once called voltmeters, have been described as the tape measure for engineers in the new millennium. With electronics and electrical circuits included in almost every ...

Engineering consultant Frank Hertel outlines a method of measuring an inductor’s value using only an oscilloscope and a signal or function generator.

Despite their limited use for testing wall chargers and power banks, USB inline testers let you compare power sources. In three videos, we take you through their features, and we also try an inline ...

Believe it or not, not all USB ports yield the same amount of power, but here's a $10 gadget that can show you which ones you ...

This simple tools allows you to troubleshoot nearly any RV or camper problem, potentially saving you a lot of time, hassle, and money in replacement parts.

If your new iPad just started acting up, don't panic. You can actually fix most common iPad issues without paying for repairs ...

Oscilloscopes detect, analyse, and measure the electrical signals of an input and present the data as waveforms on the display. While observing a circuit, the oscilloscope screen depicts an array of ...

In this video, I take a multimeter and show you how to use various functions on the multimeter on how to test a few different ...

Measuring conditions in volatile clouds of superheated gases known as plasmas is central to pursuing greater scientific ...

Every generator and power station has two numbers listed on it: starting watts (sometimes called surge or peak watts) and ...

After years of confusion, a new study confirms the proton is tinier than once thought. That enables a test of the standard model of particle physics.

How to use Windows 11's hidden battery health tool to diagnose your PC (before it's too late) ...