Occasionally a design requires capacitors that are much closer to being identical in value to one another than the usual ...

When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

Ever wondered how pros test auto wiring without stripping wires? This Harbor Freight kit helps you do it, like they do, without zapping yourself.

Measuring tiny differences in high-voltage circuits usually requires specialized differential test probes, which are often expensive. Fortunately, it’s possible to build your own high-voltage probe ...

Blood glucose monitoring is an essential tool for managing diabetes. It helps identify how your blood sugar levels respond to factors like diet, exercise, and medications so you can change your ...

Learn how to test a transformer: insulation resistance, TTR, winding resistance, polarity, continuity, and dielectric checks.

Radio experimenters often need a variable capacitor to tune their circuits, as the saying goes, for maximum smoke. In decades past these were readily available from almost any scrap radio, but the ...

The new statewide cellphone ban takes effect this school year, as educators continue to learn how and when to use AI. School is back in session across Oregon. Some districts, such as Portland and ...

As you may already know, by default, Windows 11/10 contains Command Prompt and PowerShell. We can use either of them to check the battery level. To do the same, you need to launch Command Prompt and ...

Vishay’s SMDY1 automotive-grade safety capacitors for EMI/RFI suppression and filtering offers a Y1 rating in a surface-mount ...

We've all been there. You're ready for your morning cuppa or bowl of cereal, only to discover that the last bottle of milk in the fridge is passed its use-by date. For many, the temptation is to give ...

A new brainwave test could detect early signs of Alzheimer’s years before diagnosis — in just three minutes. That’s according to researchers at the University of Bath and the University of Bristol, ...