Open-source KiCad boards

21 match “old-bridge”

Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

4 layers79.5 × 50.5 mm
Board bridge 1
JanClyde05/SHM-Capstone
On October 28, 2026, the user explicitly clarified that the only authoritative geometric reference is: PCB Files/Reference PCB (OLD Version)/Thesis/SHMPCBNew/SHMPCBNew.kicadpcb/Thesis/SHMPCBNew/SHMPCBNew.kicadpcb) (12…
52 parts1
2 layers127.2 × 117 mm
OLD ENGG3800-g15
JoshCrouch/ENGG3800-HW

237 parts
2 layers50.5 × 46.5 mm
EINK DEV OLD PCB
p01t3rge1st/EINK_STM32
Projekt E-INK AiR 2025. Kod oraz schematy zostają umieszczone tutaj.
76 parts
4 layers37 × 37 mm
NRF52840-QIAA multiconf old
petaflot/nRF252840_multiconf
Prototyping PCB for nRF52840_QIAA
50 parts
2 layers111.5 × 94.4 mm
Higaeri
old-bridge/2026_higaeri

99 parts
2 layers98.8 × 94 mm
26proto
old-bridge/pre-26thDenso
for prototyping 26denso
80 parts
2 layers215.8 × 159 mm
SNSP CPU-01
stonedDiscord/nonSNES
Super Nintendo Entertainment System PAL schematic and board layout
400 parts66GPL-3.0
4 layers56 × 60 mm
PCBA KNOT
intechstudio/knot
Knot is the bridge between old-school MIDI gear like synthesizers, groove boxes, guitar pedals and neat USB MIDI devices.
111 parts58GPL-3.0
2 layers100 × 45 mm
Transcribe
cyberboy666/_transcribe_
midi to rs232 bridge - for performance control of old video mixers and switchers
28 parts20
4 layers160 × 100 mm
Rosco m68k
rosco-m68k/rosco_m68k
Design, documentation and software for the Really Old School Computer (M68K)
140 parts200
4 layers99.8 × 73.8 mm
Hfsdr
rhgndf/hfsdr
SDR Badge, supports 0-300MHz 192kHz I/Q output to USB
146 parts4
4 layers100 × 100 mm
Xserve Backplane
CollinSchairer/Xserve-Modernization
Making Apple's beautiful but whacky servers of old useable in 2023.
47 parts
2 layers20.1 × 36.9 mm
DragonRomAdapter
jimbro1000/Dragon32RomFix
Convert your Dragon to use a modern EEPROM in place of the old masked ROMs
11 partsMIT
2 layers271.8 × 78.7 mm
PCPI AppliCard
baldengineer/bit-preserve
Project for capturing vintage, classic, aka old computer schematics in KiCad.
82 parts446
2 layers301.2 × 91.9 mm
Design68
demik/oldworld
Development ressources for Old World Macintosh (68k and NuBus PPC) and a few related things…
102 parts27CERN-OHL-P-2.0
2 layers99.1 × 99.1 mm
At90s8535
atoomnetmarc/AVR-demo-board
AVR demo boards for old AT90S* microcontrollers.
46 parts4Apache-2.0
4 layers137.4 × 199.1 mm
St251n 20603
schlae/HardDriveInfo
Repair info and schematics for mostly older MFM hard drives
277 parts38
4 layers85.9 × 82 mm
BalloonMotherboardV4
EggiEl/SpiCy-BEXUS
Cyanobacteria are among the oldest and most efficient photosynthetic organisms on planet Earth. They contribute 25% of the oxygen on Earth today and were crucial in forming our atmosphere in the early stages of Earth's…
283 parts1
4 layers137.4 × 199.1 mm
St296n 20741
schlae/HardDriveInfo
Repair info and schematics for mostly older MFM hard drives
269 parts38
4 layers123.8 × 76.2 mm
BalloonMotherboardV3
EggiEl/SpiCy-BEXUS
Cyanobacteria are among the oldest and most efficient photosynthetic organisms on planet Earth. They contribute 25% of the oxygen on Earth today and were crucial in forming our atmosphere in the early stages of Earth's…
198 parts1
4 layers97.3 × 82 mm
BalloonMotherboardV4.1
EggiEl/SpiCy-BEXUS
Cyanobacteria are among the oldest and most efficient photosynthetic organisms on planet Earth. They contribute 25% of the oxygen on Earth today and were crucial in forming our atmosphere in the early stages of Earth's…
256 parts1