The neon glow lamp tester is a staple in every electronics hobbyist’s lab. Here’s how to build one right in your own home. You may wonder what’s so cool about the “historical” neon glow lamp. For ...

There was this test system that comprised a huge row of equipment racks into which various items of test equipment would be mounted. Those items were a digital multimeter, an oscilloscope, several ...

Small pinwheel type ion motors fall into the category of a fun science experiment or something neat to do with high voltage, but Hackaday’s own [Manuel Rodriguez-Achach] added a neat twist that ...