High voltage is no joke, but you don’t need special electrical knowhow or skills to safely replace your light switch or ...

Learn why high-voltage environments require advanced testing tools—and how engineering teams maintain measurement integrity under demanding conditions.

An ammeter is always connected in series with the component whose current you want to measure. This means it is placed ...

This video documents the restoration of a rare 1920s Health-O-Meter scale. The process involved disassembling the scale to understand the restoration, restoring all cast iron parts, smoothing sharp ...

Over on YouTube our hacker [VIP Love Secretary] shows us how to make a simple MOSFET tester. This is a really neat, useful, elegant, and simple hack, but the video is kind of terrible. We found ...

In part 1, we examined the operation of power supply supervisory ICs that can detect when the supply voltage is too low, and ...

Tapo's smart power strip packs six outlets and tracks real-time energy usage - even when devices are turned off.