[Joe Wingbermuehle] has an interest in computers-of-old, and some past experience of building computers on perfboard from discrete transistors, so this next project, Q2, is a complete implementation ...

Kyle Hovey has decided to build his own 8-bit CPU from scratch, out of breadboard, NVRAM chips, surface-mount transistors, and lots and lots of wire -- and he's blogged his experience, so you can ...

Electronics-based computers are far superior in essentially every way, but the aesthetics of a mechanical computer are still unmatched, like this 8-bit machine built from K’nex.