High-Voltage Fun With An Inexpensive Power Supply

It used to be that nearly every home had at least one decent high-voltage power supply. Of course, it was dedicated to accelerating electrons and slamming them into phosphors so we could bathe ours…

Scrambling Pocket Calculators Made Easy With EMP Box V2

[Rostislav Persion] has for some time been interested in making small, portable EMP devices capable of interfering with nearby electronics. In these EMP devices, high voltage is used to create a po…

Spark Plug And Plumbing Parts Bring Nitrogen Laser Under Control

When it comes to high-speed, high-voltage switching, there are a wealth of components to choose from — MOSFETS, thyristors, IGBTs, and even vacuum tubes like thyratrons. But who needs all tha…

This Modular Differential Probe Shows Great Attention To Detail

[Petteri Aimonen] presents for us a modular differential probe, as his entry into the 2021 Hackaday Prize. This project shows a simple and well polished implementation of a differential-to-single-e…

Is That An EMP Generator In Your Pocket Or Is My Calculator Just Broken?

Ah, what fond memories we have of our misspent youth, walking around with a 9,000-volt electromagnetic pulse generator in our Levi’s 501s and zapping all the electronic devices nobody yet car…