2 layers193 × 113 mm
Interfaces and adapters
7,328 boards- 2 layers60.6 × 44.9 mm
A500-2Meg Chip RAM PinHeaders
LIV2/A500-2Meg-Chip-ram
An Adapter to retrofit a 2MB agnus into a 1MB Amiga 500/2000
18 parts91 - 2 layers122.4 × 69.1 mm
- 2 layers68.6 × 53.3 mm
- 2 layers70 × 73.1 mm
Neopico hd
fliperama86/neopico-hd
Digital video and audio capture with HDMI output for Neo Geo MVS arcade hardware using Raspberry Pi Pico 2
37 parts90Unlicense - 4 layers100 × 94 mm
- 2 layers60.5 × 31.5 mm
Ps2-serial mouse adapter
necroware/ps2-serial-mouse-adapter
PS/2 to serial port mouse adapter
13 parts89GPL-3.0 - 2 layers51 × 18.5 mm
Entree
tuna-f1sh/entree
Entree is a USB-C CAN interface designed to fully support CANnectivity - gets the CAN party started!
78 parts89 - 2 layers190.5 × 121.9 mm
BMW i3-adapter
jsphuebner/inverter-hardware
Eagle schematics of inverter main board, sensor boards and gate drivers
35 parts88 - 2 layers25 × 43 mm
OV7670 breakout
westonb/OV7670-Verilog
Verilog modules required to get the OV7670 camera working
8 parts88 - 4 layers118.1 × 68.6 mm
Nucleo-144-click shield
COVESA/Open1722
Open-source implementation of the IEEE 1722 protocol, for streaming audio/video, tunneling CAN/LIN messages and enabling remote access to peripherals
10 parts86BSD-3-Clause - 2 layers33.5 × 20 mm
JURA WiFi Dongle
Jutta-Proto/protocol-cpp
C++ JURA protocol implementation for controlling a Jura coffee maker over a serial (UART) connection.
31 parts86GPL-3.0 - 2 layers20 × 33.5 mm
- 2 layers54.9 × 30.7 mm
Pico psu mount
chriz2600/PicoDreamcast
Small adapter board to easily hook up a PicoPSU to the Dreamcast
4 parts85MIT - 4 layers43.4 × 25.4 mm
R820t2 breakout
emeb/r820t2
Breakout PCB design and STM32F0 firmware for the Rafael R820T2 tuner chip
83 parts85 - 2 layers19.6 × 41.5 mm
Open2327RomAdapter
SukkoPera/Open2327RomAdapter
Open Hardware 2364-27xxx (E)EPROM Adapter PCB
10 parts85 - 2 layers25.4 × 54.5 mm
Rpi pico debugger shoe
ShawnHymel/rpi-pico-debugger-shoe
Stackable debugger board for the Raspberry Pi Pico. Solder long headers to this debugger board in order to connect the Pico to it.
49 parts84 - 6 layers70 × 50 mm
Thunderbolt pcie adapter
antmicro/thunderbolt-pcie-adapter
This project contains open hardware design files for an adapter board wrapping 4-lane (i.e. 4x) PCIe Gen 3.0 devices into a Thunderbolt 3 uplink. It is based on the Intel/JHL6340SLLSQ Thunderbolt controller.
272 parts82Apache-2.0 - 2 layers27.5 × 69 mm
CH341A Pro
Upcycle-Electronics/CH341A-Pro
Retrace pics and schematic for the Cheap Black CH341A Serial Flash EEPROM BIOS Programmer
18 parts81 - 2 layers28.8 × 43.8 mm
- 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 - 4 layers44 × 64 mm
JTAGProgrammer
anthony-bernaert/ftdi-jtag-programmer
FTDI-based JTAG Programmer Circuit for FPGAs
122 parts77CERN-OHL-P-2.0 - 4 layers99.7 × 108 mm
- 2 layers50 × 30 mm
