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 ...

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, ...