2 layers41 × 20.3 mm
Open source hardware
228 boardsKiCad boards from 122 GitHub repositories tagged “open-source-hardware”, the most starred first; open any of them in PCBKit.
- 2 layers25.4 × 20.3 mm
Sht45-qt
FrancoSpitale/sht45-qt
SHT45 temperature/humidity breakout, Qwiic/STEMMA QT compatible — KiCad 9, open hardware (MIT)
10 parts1MIT - 4 layers65.2 × 20.8 mm
TWLOG v1
Ghous-Ali/Custom-ESP32-Dev-Board
Custom ESP32-WROOM-32E development board | 4-layer PCB designed in KiCad 9.0.7
47 parts1MIT - 2 layers144 × 79 mm
MacroPad
loredavid/Hapticpad
A 6 button macropad with a display for button labels and a mouse knob with haptic feedback! — v2 redesign: new Pico SDK firmware + USB configurator.
59 parts1CERN-OHL-S-2.0 - 4 layers30 × 51 mm
Env sensor b
marcelpetrick/sensorly-unhinged
My very first PCB: an ESP32-C6 temperature/humidity sensor prototype, exploring compact and thermally isolated layouts from one shared electrical design.
64 parts1GPL-3.0 - 2 layers141.8 × 109.2 mm
Skoldpad
martisak/skoldpad
Sköldpad 1.0 - a columnar-staggered split keyboard built with ergogen and KiCad
94 parts1 - 2 layers25.4 × 14 mm
- 2 layers68.6 × 53.3 mm
- 2 layers41.4 × 60.3 mm
Freezer display pcb
NemoAndrea/freezer-display
Open hardware freezer display primarily intended for freezers used in research labs for biosample storage.
3 parts1 - 2 layers27.5 × 52 mm
OM EPSC3-Micro
Open-Muscle/OpenMuscle-Band
Original OpenMuscle armband with 12 sensors (legacy design)
22 parts1CERN-OHL-S-2.0 - 2 layers20 × 10 mm
- 4 layers85 × 56 mm
BratwurstPower
Qeteshpony/BratwurstPower
A power supply for a complete, Raspberry Pi based ADS-B Receiver Setup with independent power rails for the different components.
143 parts1BSD-2-Clause - 4 layers40 × 40 mm
- 2 layers66 × 68.6 mm
FP2800A Tester
Qeteshpony/FP2800A-Tester
Arduino Uno compatible shield for testing functionality of a FP2800A
99 parts1BSD-2-Clause - 2 layers52 × 36.5 mm
- 2 layers50 × 64 mm
USB Cable Tester
Qeteshpony/USB-C-Cable-Tester
Small passive device for determining the capabilities of a USB-C Cable
45 parts1BSD-2-Clause - 4 layers89.7 × 66 mm
Luckfox core3506 adapter
Rufilla/LuckFox-Core3506-Carrier
A carrier board for the LuckFox 3506 designed in KiCAD 10
131 parts1Apache-2.0 - 4 layers92.8 × 76 mm
Deck-8
varaddorle007/deck-8
Open-source 8-key macro pad with 2 knobs, OLED and Bluetooth: PCB, case and ZMK firmware
101 parts1MIT - 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 layers298 × 27 mm
Nastro
AliDarSilenzio/alidu-otamatone
Alidu Otamatone — strumento elettronico a fiato open source di Dario Amabile: nastro capacitivo senza usura, sensore di fiato, MIDI, Teensy 4.1
33 parts - 2 layers95 × 82 mm
Orc
aramder/orc
Open replacement controller board for surplus Motorola PMUN1046A relay boxes: ESP32-C3, CANopen control, 10 x 15 A channels. Independent project, not affiliated with Motorola Solutions.
85 parts - 2 layers76 × 70 mm
Heads panel
arcticoder/spurious-force-balance
Open, low-cost torsion balance for measuring the spurious forces (supply-lead Lorentz forces, heating, convection) that dominate small-force and thrust experiments: printable CadQuery mechanics, a validated force-noise…
58 partsMIT - 2 layers120 × 52 mm
PlancH
caccia78/PlancH
Open source desk button panel for Home Assistant: ESP32-S3, ESPHome, OLED display, 10 buttons and RGB backlight. KiCad sources, Gerbers and a 3D-printable stand.
45 parts - 4 layers96 × 89.9 mm
StackBreakoutConnection 4layers V1.0
CameronBrooks11/PC104-Standard-KiCad
PC/104 board schematics and footprints in KiCAD. WARNING: Work-in-progress.
8 partsGPL-3.0