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

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 ...

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

There you are at the surplus store, staring into the bin of faded orange, yellow, red, and black, boxes–a treasure trove of vintage vacuum tubes—dreaming about building a tube amp for your ...

Abstract: As Moore's Law approaches its limits, 3-D integrated circuits (ICs) have emerged as promising alternatives to conventional scaling methodologies. However, the benefits of 3-D integration in ...

In a showcase of its DST, NI/Emerson displays a means of testing SDRs, digital T/R modules, and other mixed-signal devices in a manner evoking test of traditional RF-only ...

Dr. Jeff Bohmer, Medical Director of the Emergency Department at Northwestern Medicine Central DuPage Hospital, joins Bob Sirott to talk about who can get the COVID vaccine, why nearly half of ...

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

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Whether you're updating a new light fixture or adding an outlet, you'll probably need to reconnect wires, or connect a new ...