Retrocomputing

223 boards

KiCad boards from 113 GitHub repositories tagged “retrocomputing”, the most starred first; open any of them in PCBKit.

6 layers290.7 × 322 mm
Board presignal
epatel/discrete6502
A MOS 6502 CPU rebuilt from 4,051 discrete transistors on a 291x322mm six-layer board that reproduces the original die layout
5,425 parts14
2 layers51.8 × 26.4 mm
OpenAmigaFourPlayerAdapter
SukkoPera/OpenAmigaFourPlayerAdapter
Connect up to four joysticks to your Amiga!
6 parts14
2 layers115 × 57.2 mm
TeensyBoardZ80
mecparts/TeensyBoardZ80
A Teensy 4.0 emulated Z80 ZCPR3.3/ZSDOS computer.
42 parts13MIT
2 layers60.8 × 85 mm
16up
SukkoPera/16up
User Port Cartridge for the Commodore 16, 116 and Plus/4
20 parts13
2 layers41 × 43.6 mm
DatassetteAudioAdapter
SukkoPera/DatassetteAudioAdapter
Replace the Commodore Datassette with any audio source!
20 parts13
2 layers95.3 × 50.8 mm
TinyDiskII
GLGPrograms/tinyDiskII
Homemade floppy disk emulator for Apple II series computers
52 parts12GPL-3.0
4 layers214.1 × 131.7 mm
Qsic
dabridgham/QSIC-verilog
QBUS Storage and I/O Card
263 parts11
2 layers170.2 × 78.7 mm
ROsiM
hkzlab/ROsiM
ROsiM is a ROM simulator/emulator, supporting up to 512k/16bit ROMs
93 parts11GPL-3.0
2 layers41.3 × 33 mm
Pc8801mkII vga
barbeque/pc8801mkII-vga
PCB for getting VGA from a PC8801mkII
8 parts10
4 layers165 × 142.5 mm
Testboard
anthonydotmoe/68040pc
A general purpose computer platform for retrocomputing enthusiasts
175 parts9
2 layers38.1 × 85.1 mm
Pontag
hkzlab/pontag
PONTAG is an active adapter that converts a mouse using PS/2 protocol into an RS232 mouse (Microsoft protocol), commonly used on IBM XT/AT and compatibles.
35 parts9
2 layers187.3 × 109.5 mm
Z80RP2350b
kysilv/z80-rp2350b-zx-compatible
Retrocomputer compatible with ZX Spectrum based on real Z80 + discrete RAM/ROM + rp2350b as ULA
131 parts9GPL-3.0
2 layers55.9 × 43.9 mm
Rfreplacement
pmandes/C64-RF-Modulator
Commodore C64C RF modulator replacement with S-Video and stereo audio output.
36 parts9MIT
4 layers56.6 × 57.7 mm
Tashrecorder
lampmerchant/tashrecorder
Clone of the Farallon MacRecorder and Apple MIDI Interface.
53 parts8GPL-3.0
2 layers188 × 102.9 mm
RC200-Dev Backplane
MarkD833/RCBUS-68xxx
My Motorola 68000 & 68302 processors (+ SIO, PIO & MFP boards) for the RCBus ecosystem.
102 parts8GPL-3.0
2 layers56.3 × 82 mm
Hannes256
SukkoPera/Hannes256
256 kB RAM Expansion for the Commodore 16/+4
38 parts8
2 layers54.3 × 72.2 mm
Hannes512
SukkoPera/Hannes512
512 kB RAM Expansion for the Commodore 16/+4
25 parts8
2 layers60.8 × 99.9 mm
SoundX
SukkoPera/SoundX
An AdLib card for your Commodore 16/116/+4!
55 parts8
2 layers55 × 65 mm
PS2-MSX F1
evandrosouza-developer/ps2tomsxUSB
This one is a full open design (electronics, pcb and firmware) of a PS/2 Keyboard adapter with USB console for use in MSX and other legacy computers - 15x8 matrix(BCD input - 8 bits "Low active" output).
35 parts7MIT
2 layers59.7 × 45.1 mm
EGA2RGBC
hkzlab/EGA-2-RGBS
EPROM based EGA/CGA to analog RGBS converter
27 parts7CC-BY-SA-4.0
2 layers219 × 95 mm
Pc8801-expansion protoboard
leaded-solder/pc8801-expansion-protoboard
A prototyping board for making NEC PC-8801 expansion cards (in development)
13 parts7
2 layers25.7 × 76.6 mm
OpenKickstartSwitcher
SukkoPera/OpenKickstartSwitcherCDTV
Open Hardware Kickstart Switcher for the Commodore CDTV
12 parts7
2 layers119.6 × 123.9 mm
Cpc6128 rom board
bmpc/amstrad_cpc6128_romboard
A ROM Board for the Amstrad CPC 6128 capable of loading two expansion ROMs simultaneously from an SD card.
44 parts6
2 layers33.5 × 62.7 mm
Fixteen
SukkoPera/Fixteen
Internal 64 kB RAM Expansion for the Commodore 16
16 parts6