74LS174

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

myFPGA CLB slice

My own FPGA architecture simulated in VHDL, realized with 7400-logic on PCB.

mnemocron

41

80ColumnCard

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

btb

29

sg1000

A homebrew Sega SG-1000, with an eye towards SC-3000 compatibility

barbeque

25

mbc3 multi typeB 2 0

A collection of my Game Boy cartridge circuit board designs

MouseBiteLabs

12

mbc5 multi typeB 2 0

A collection of my Game Boy cartridge circuit board designs

MouseBiteLabs

12

AmigaDualFloppyInterface

Amiga 500 6A Dual Internal Floppy Drive Interface

roddersuk

9

CPU

GeraKuznetsov

9

Mainboard

Open hardware clone of the Commodore PET 4032

DLehenbauer

8

io i2c

Debugger/Monitor for small "computers"

palazzol

8

ROM Card

A z80 based computer, designed from scratch

tristanvandeweg

4

Sorcerer DreamDisk

Exidy Sorcerer DreamDisk Disk Controller

RetroStack

4

DigiTrainer

A trainer board for digital electronics

RetroStack

1

aZ80 DIO

attraktorhh

1

DragonRevX4Plus

Dragon Rev X4 Kitchen Sink

jimbro1000

1

6809PC 6U

6809 PC

danwerner21

0

preperf 10x10

ApophisXIV

0

micromod reset

Keyboard breadboard devboard cupboard

tzarc

0

OPD Computer One Disk Interface

Recreation of the Computer One floppy disk interface for the ICL One Per Desk.

stephen-usher

0

P3

Powertran/ETI polysynth

icnagy

0

Schematic

Jipxmaster

0