If you’ve seen a big air-variable capacitor, you may have noticed that some of the plates may have slots cut into them. Why? [Mr Carlson] has the answer in the video below. The short answer: ...

Some kind of continuity beeper has been a standard piece of gear since the dawn of electronics. Sure, you probably have an ...

The invention of sprites triggered a major shift in video game design, enabling games with independent moving objects and ...

Although rare-earth elements (REEs) are not very rare, their recovery and purification is very cumbersome, with no ...

We’ve seen a few H-bridge circuits around these parts before, and here’s another application. This time we have an Old Train ...

Courtesy of the complex routing and network configurations that Cloudflare uses, their engineers like to push the Linux ...

If you’re a regular reader of Hackaday, you may have noticed a certain fondness for Meshtastic devices, and the LoRa protocol ...

Humans have lots of basic requirements that need to be met in order to stay alive. Food is a necessary one, though it’s ...

A friend of mine and I both have a similar project in mind, the manufacture of custom footwear with our hackerspace’s shiny ...

Although Nissan has been in the doldrums ever since getting purchased by Renault in the early 2000s, it once had a reputation ...

It’s no surprise that NVIDIA is gradually dropping support for older videocards, with the Pascal (GTX 10xx) GPUs most ...

The worst thing about the getting people together is when everyone starts fighting over their favourite map projection– maybe ...