2 layers245.1 × 160 mm
8-Bit CPU 32k
slu4coder/Minimal-64x4-Home-Computer
My DIY TTL home computer with VGA and PS/2 and 4x the processing power of a Commodore C64 or Apple II.
139 parts326
Boards using the 74HC166D
30 boardsBoards in 22 GitHub repositories, designed in KiCad, that use the 74HC166D by MDD (SOP-16L Shift Registers ROHS). See how each wires it, with its parts, size, README and files; the 74HC166D’s symbol, footprint and pinout are on its own page.
- 2 layers229.9 × 111.8 mm
- 2 layers306.1 × 130.2 mm
8-Bit CPU 32k
slu4coder/Minimal-64-Home-Computer
Legacy: Full TTL-only home computer with VGA and PS/2 and twice the processing power of a Commodore 64
132 parts94 - 2 layers62.9 × 50.8 mm
ArduinoPC
slu4coder/Minimal-Terminal
UPDATE 2026: Minimal UART Terminal with 50 x 30 characters VGA output and PS/2 keyboard
27 parts80 - 2 layers167 × 115 mm
- 2 layers188.3 × 114.3 mm
6502 Computer
The-Invent0r/6502-Computer-PCB
These are the PCB files for the modified BE6502 computer I put together.
34 parts31 - 2 layers177.8 × 130.8 mm
- 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 layers284.9 × 96.5 mm
- 2 layers190 × 100 mm
- 4 layers188 × 128.3 mm
- 4 layers215.3 × 96.8 mm
Zak181
agkaminski/ZAK181
Improved ZAK180: DIY all-in-keyboard computer featuring Z180 and floppy drive.
123 parts - 2 layers213.1 × 129 mm
- 2 layers84 × 84.5 mm
RainGauge ST Morpho Shield V1.2
alexandreberg/SAPI_an_open_source_FEWS
Open-source flood early warning system: LoRa water-level and rain stations, gateway, web dashboard and LightGBM/MLR forecasts. Master's dissertation (IFSC, Brazil).
59 partsAGPL-3.0 - 2 layers205.7 × 236.9 mm
- 4 layers133 × 93 mm
Project GP8B
JonathSpirit/GP8B
G_Processor8Bits a homemade without any microcontroller 8bits processor
110 parts - 2 layers99.1 × 99.1 mm
Vga
rjw57/simplest-80s-computer
This is my rough scratch repo where I keep experiments to do with desiging 80s computer peripherals. It is not in any sensible shape to be used by others yet, apologies.
45 parts - 2 layers231.8 × 158.1 mm
8-Bit CPU 32k
slu4coder/Minimal-64x4-Home-Computer
My DIY TTL home computer with VGA and PS/2 and 4x the processing power of a Commodore C64 or Apple II.
123 parts326 - 2 layers113 × 78.7 mm
DuPal DIP
DuPAL-PAL-DUmper/DuPAL_Board
This repository contains the KiCad files and the gerber files for the DuPAL boards.
57 parts57CC-BY-SA-4.0 - 2 layers43.2 × 36.1 mm
ArduinoPC
slu4coder/Arduino-Nano-PC
1 Arduino Nano + 1 Logic Chip = Personal Computer with VGA and PS/2
14 parts49 - 2 layers43.2 × 36.1 mm
ArduinoPC
slu4coder/Arduino-Nano-PC
1 Arduino Nano + 1 Logic Chip = Personal Computer with VGA and PS/2
8 parts49 - 2 layers100 × 57.6 mm
- 2 layers177.8 × 130.8 mm
- 2 layers97.8 × 72.4 mm
