2 layers407 × 184 mm
TRS-80-Model I G E1
RetroStack/TRS-80-Model-I-G-E1
Hardware Replica of the TRS-80 Model I Revision G
230 parts57MIT
Boards using the 74LS175PC
76 boardsBoards in 57 GitHub repositories, designed in KiCad, that use the 74LS175PC by Texas Instruments (0℃~+70℃ 1 10ns 18mA 25ns@5V,15pF 30MHz 4 4.75V~5.25V 5ns 74LS Series Asynchronous Complementary type D-Type Reset Rising Edge PDIP-16 Flip Flops ROHS). See how each wires it, with its parts, size, README and files; the 74LS175PC’s symbol, footprint and pinout are on its own page.
- 4 layers337.6 × 105.7 mm
ISA CGA
hkzlab/CGA_Redux
The Color Graphics Adapter Redux board is a more or less faithful clone of the original IBM CGA, based on the original schematics
170 parts56 - 2 layers100 × 77.5 mm
LanguageCard
btb/LanguageCard
An Apple II Language Card. Based on a design by iz8dwf
42 parts45Apache-2.0 - 2 layers155.2 × 78.6 mm
80ColumnCard
btb/80ColumnCard
An Apple II 80-Column Card. Based on the Videx Videoterm
47 parts43Apache-2.0 - 2 layers123.2 × 77.5 mm
- 2 layers99.1 × 99.1 mm
Plusd
alvaroalea/plusD-clone
Schematic of a clone of the Disk Interface +D for the ZX Spectrum
69 parts25 - 2 layers254 × 134.6 mm
- 4 layers333.4 × 106.7 mm
- 2 layers236.8 × 169.8 mm
TK2000
clemarfolly/Microdigital-TK2000
Reprodução da PCB do TK-2000 da Microdigital, clone do Micro-Professor MPF-II
212 parts17 - 4 layers308 × 225.4 mm
- 2 layers279.4 × 203.2 mm
Z180GDC
lynchaj/rhyophyre
Single Board Computer featuring Zilog Z180 processor and NEC µPD7220 Graphics Display Controller
249 parts12 - 2 layers478 × 183 mm
- 2 layers162.6 × 99.1 mm
Ql trump v2 disk interface
alvaroalea/QL_Trump2_clone
DIsc Interface for the Sinclair QL computer
64 parts8 - 2 layers135 × 97.8 mm
- 2 layers91.7 × 48 mm
- 2 layers100 × 75 mm
- 2 layers96.5 × 104.1 mm
4bitalu
lefticus/4bitalu
This project is derived from my ECPE 2504 class that I took at Virginia Tech. The project was submitted on March 18, 1998.
53 parts5 - 2 layers221.5 × 149.5 mm
ZX1
misterblack1/zenith_zt1
Information gathered on the Zenith ZT-1 / ZT-10 / ZT-11 and ZTX/ZT-x-A variants
140 parts5 - 4 layers304.8 × 215.9 mm
64 256KB SYSTEM BOARD
kev-ju/PC-Retro-MTM
Modern KiCad version of the IBM 5150 system board originally created by MTM Scientific, Inc.
197 parts4 - 2 layers279.9 × 76.1 mm
AmdekDVM
schlae/AmdekDVM
Reverse engineering Amdek DVM video card for the Apple II
69 parts4CERN-OHL-P-2.0 - 2 layers145.8 × 183 mm
- 2 layers143.3 × 77.5 mm
Pedisk
mnaberez/pedisk2
Reverse engineering the CGRS Microtech PEDISK II disk system for Commodore PET/CBM computers
43 parts3 - 4 layers243.8 × 243.8 mm
- 2 layers320 × 150 mm
