Unimplemented Trap

Building my own paper tape punch

Modernising a vintage digital clock

Picontosh: The Pi-Icon-Macintosh...

SB-A1: My Apple 1 clone with printer and SD Card storage

SB42 Random Number Generator

A small cabinet for the PiDP-8 and 11

Arduino games console with a vacuum fluorescent display

SB116 Programmers Calculator

SB181: A 74LS181 based “logic operator”

The world’s least powerful computer? 1-bit CPU with the MC14500B industrial control unit

“Programmable” LED Matrix Driver without a Microcontroller

Modding a sheet metal brake into a box and pan brake

ebd: Eight Bit Dump - A hexdump utility for 8 bit software development