Back in the early days of electricity, lab workers could measure electric current in a circuit using an ammeter (galvanometer) and voltage using a voltmeter. From there, they could calculate ...

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...

We earn commissions from purchases you make using links in our articles. Learn more. Anyone who works on their car should have a multimeter, but they come in handy around the house too. Whether you ...

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 ...

Try shopping for a USB-C cable and you’ll no doubt be struck by the confusing disparities in cable pricing and performance claims. These are just cables, right? Can they really be that different? At ...

High Performance HF Power meter using Arduino and a Directional Coupler This device can measure power over a wide dynamic range from 10uW to 1 KW and will derive SWR for a 50 Ohm load The front end ...

Onkyo marks its 80th anniversary with the Muse Y-40 and Y-50—compact streaming integrated amps with AirPlay 2, MM/MC phono, and HDMI ARC. The Muse Series consists of two models—the Y-50 and Y-40—both ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

Don’t worry, it’s not just you. Everyone dropped their first, or likely fortieth, F-bomb when their dad had them hold the spark plug while he hit the kickstarter on their dirt bike. While it might ...