We all know you can build a computer out of relays, and if you’re a regular reader of Hackaday, you’ve probably seen a few. Actually designing and fabricating a computer built around relays is another ...

You may not have noticed, but we here at Hackaday really love our clicky stuff. Clicky mechanical keyboards, unnecessarily noisy flip-dot displays, and pretty much anything made with a lot of relays — ...

We haven't been this excited about a "new" computer since John Pultorak built a replica Apollo Guidance Computer in his basement. Our new hero is Harry Porter, a wizard from Oregon, who is building a ...

As you may recall, one of my current hobby projects involves “Building a 4-Bit Computer from the Ground Up.” I’m working on this project with my chum Joe Farr, who is based in the U.K. In the fullness ...

A lot of wire wrapping went into the Magic-1 homebrew CPU Some people like to build their own computers. A smaller number like to modify them to boost the speed of the processor and make them more ...

Once you’ve seen this beauty of a relay computer in action, you’ll find it hard to resist the lure of building something similar yourself. Once you’ve seen this beauty of a relay computer in action, ...