74LS166

Quapple

Quadlink clone turns your ancient IBM PC into an Apple ][

schlae

86

ISA CGA

The Color Graphics Adapter Redux board is a more or less faithful clone of the original IBM CGA, based on the original schematics

hkzlab

46

80ColumnCard

An Apple II 80-Column Card. Based on the Videx Videoterm

btb

29

cpu6502

Hardware designs for 8-bit homebrew computer

nandgate

2

bbc keyboard

A bbc micro external keyboard

dominicbeesley

1

DigiTrainer

A trainer board for digital electronics

RetroStack

1

zx sdc

Hardware version of z-controller (SD Card)

7FFD

0

6809PC 6U

6809 PC

danwerner21

0

module io

tracetechnical

0