
Hardware
1,802 boardsKiCad boards from 760 GitHub repositories tagged “hardware”, the most starred first; open any of them in PCBKit.
- 2 layers482.5 × 711 mm

- 2 layers308.8 × 130.3 mm

CyberKeeb2040
zli117/CyberKeeb2040
Hardware design for a mechanical keyboard based on RP2040 that also has a Pi Zero onboard.
182 parts98CC-BY-SA-4.0 - 4 layers68.1 × 66 mm

Ambient
lab11/signpost
Exploring what happens when you put computers on sign posts.
63 parts97Apache-2.0 - 4 layers35.1 × 76.3 mm

Tiny4FSK
New-England-Weather-Balloon-Society/Tiny4FSK
Horus Binary v2 HAB Tracker
90 parts96CERN-OHL-W-2.0 - 2 layers284.7 × 94.2 mm

Nyan keys v09b
portlandhodl/nyan-keys-hardware
Hardware document for the nyan keys keyboard
144 parts96Apache-2.0 - 2 layers30.7 × 76.1 mm

Repeater v2
plusvic/simplebus2-intercom
General description of the Simplebus2 protocol used by some Comelit's intercoms. Hardware for retransmitting Simplebus2 messages over UART.
17 parts95CC0-1.0 - 4 layers40 × 40 mm

- 2 layers275 × 200 mm

- 4 layers80 × 100 mm

Baseboard
NVIDIA-AI-IOT/my-jetson-nano-baseboard
An open source Jetson Nano baseboard and tools to design your own.
240 parts91 - 2 layers35 × 41 mm

- 2 layers357.8 × 124.5 mm

Vic2020mainboard
danwerner21/vic2020
A Vic-20 clone created with [almost] all readily available parts
142 parts78 - 2 layers40 × 108 mm

- 2 layers89 × 55.5 mm

Mintypcb
jackw01/pi-tin
Open source raspberry pi handheld retro gaming console
129 parts75CERN-OHL-W-2.0 - 4 layers50 × 36 mm

Analog toolkit
Jana-Marie/analog-toolkit
A smol and simple STM32G431 based Analog to USB toolkit.
85 parts74CERN-OHL-S-2.0 - 2 layers247.6 × 76.2 mm

Unisplit orthosteno
petercpark/The_Uni
A uni-board split ortholinear made for stenography. Uses QMK Firmware's Gemini Protocol. This is the pro micro version (aka Uni v2)
65 parts73 - 2 layers116.8 × 99.7 mm

- 2 layers154.9 × 139.7 mm

68kBoard
transistorfet/computie
A collection of 68k computer projects, including a unix-like operating system written in C that runs on them
78 parts69GPL-3.0 - 2 layers28 × 13 mm

DHT22 pcb
MakersAsylumIndia/M19O2
M19O2 open source hardware Oxygen Concentrator based on the Pressure Swing Adsorption cycle aka Skarstorm cycle
5 parts68MIT - 2 layers100 × 71.8 mm

- 2 layers57 × 35.5 mm

- 2 layers280.2 × 132.1 mm

Midi mixer one
markwheeler/midi-mixer-one
MIDI Mixer One is a mixer-style MIDI controller built around Teensy. Includes hardware designs, firmware and a web config tool.
72 parts65 - 2 layers197 × 249.7 mm

- 4 layers48.8 × 53.1 mm

ESC Board
FPV-Drone-STM32F411/DroneController
All-in-one FPV drone PCB with integrated flight controller, PDB, and ESCs built around STM32F411.
73 parts60 - 2 layers40.1 × 49.3 mm

Big Honking Button
wntrblm/Big_Honking_Button
A simple Eurorack sampler and performance module in a silly package.
54 parts60