Long before electricity was a common household utility, humanity had been building machines to do many tasks that we’d now just strap a motor or set of batteries onto and think nothing of it.

Shadowman39, a K'nex enthusiast who posts to YouTube and Instructables has built a fully mechanical 8-bit computer using K'nex parts. The computer uses a simple architecture and will load programs ...

Here’s the most amazing 8-bit DIY computer implemented using a bunch of simple logic chips — along with a cornucopia of flashing LEDs — mounted on a cluster of breadboards. I stand in awe. As I’ve ...

Homebrew 8-bit computers tend to have fairly limited displays, often one or more seven-segment displays and an array of LEDs to show the values of RAM or perhaps some other states of the computer.