Open Hardware Registry
Browse public hardware projects from the community
formulaslug: fs-4-schematics
Electrical design repository for Formula Slug racing team's FS-4 vehicle schematics and PCBs. Part of Formula SAE engineering competition project.
thorpej: pg68k
A series of homebrew computers based on the Motorola 680x0 CPU family, from a 68000-based BASIC machine to a potential 68060 workstation, designed for learning hardware design.
Great Scott Gadgets: HackRF
low cost software radio platform
nodestark: mdb-esp32-cashless
Open-source MDB protocol implementation for converting vending machines to cashless payment systems. ESP32-based with EVA DTS DEX/DDCMP telemetry support via MQTT or Bluetooth.
Vadim Radu: Allwinner A13 Board
Allwinner A13 Board
Stack-chan community: Stack-chan
A JavaScript-driven M5Stack-embedded super-kawaii robot.
StuckAtProtype: Racer
An open-source miniature racing car built around ESP32 with motor control via Bluetooth, integrated color sensor, and AI training capabilities. Includes firmware, PCB designs, 3D-printable parts, and Python scripts for neural network training.
SiwenJadenLong: CRB-Department-of-Donuts
Combat Robotics @ Berkeley team repository for Department of Donuts robot. Includes AUTOMELTY SIM simulation and Donut of Doom combat robot designs.
Kolodieiev: perfect_console
Universal modular board for handheld devices (game consoles, music players, remotes) based on ESP32-S3 N16R8. Features 19+ GPIO pins, MicroSD, battery management, and Meowui firmware framework.
Anna-Lena Marx: ZEReader KiCad
The ZEReader PCB is the custom open-hardware board designed for the ZEReader project — an open hardware eBook reader approach.
RevK: ESP32-Faikout
Open-source WiFi module providing local control for Daikin air conditioning units without cloud dependency. Features web interface, MQTT integration, and Home Assistant compatibility.
Glasgow Embedded: Glasgow
Scots Army Knife for electronics
cjshearer: cweep
A 34-key solar-powered split keyboard inspired by Ferris Sweep. Features Bluetooth via Seeed Xiao nRF52840, hotswap Kailh Choc V1 switches, and reversible design for left/right hand use.
Sam Harry Tzavaras: FM Freq Disp
Software and Hardware design of a frequency counter display
saladtopfive: STM32-Dashboard
Real-time digital dashboard for electric go-kart using STM32F746G-DISCO with TouchGFX. Displays speed, throttle, brake, battery status, motor temperature, G-forces, and lap timing.
eez-open: eez-bb3plus-cm5-mcu
STM32H7-based MCU module in Raspberry Pi CM5 form factor with HDMI output, dual display support, 32MB PSRAM, 32MB Flash, 4GB eMMC, and 10/100 Ethernet connectivity.
OSUSat: cubesat
Oregon State University climate science cubesat. Open source hardware and firmware for satellite electrical power system (EPS) and on-board computer (OBC).
bitaxeorg: BitaxeGT
Open-source Bitcoin mining device featuring dual BM1370 ASIC chips controlled by ESP32. High-performance, energy-efficient design with dual power management modules and improved mounting.
ohmpi: OHMPI
OhmPi is an open hardware resistivity meter to provide the scientific community with a robust and flexible tool for monitoring experiments. Documentation: https://ohmpi.org
electrified: rcbus-opl3
Hardware expansion card for RC2014/RCBus retro computing systems featuring Yamaha YMF262 and YAC512 chips for FM synthesis audio. Supports VGMPLAY for video game music playback.
PubInv: moonrat
Open-source portable incubator for field biological research. Maintains elevated temperatures in a tote-sized form factor for bacterial culture and Petrifilm testing without grid power.
hoeken: brineomatic
Open-hardware ESP32-S3 automation controller for marine reverse-osmosis watermakers with sensor-driven automation, safety checks, and web-based control via WiFi, MQTT, and SignalK integration.
chdao: PanicPedal
Wireless arcade pedal system using ESP-NOW for low-latency communication. ESP32 transmitters send pedal inputs to ESP32-S3 USB HID receiver. Supports single/dual pedal configurations.
Jared Harvey: ESP32S3 Audio Cam POE
ESP32 S3 with Audio, Camera and POE Ethernet
Med0kin: BETA-Humanoid-robot
Humanoid robot project with walking, vision, and speech capabilities. Uses Raspberry Pi 4, bus/pulse servos, OpenCV for vision, and ArUco markers for pose tracking and servo control.
hoeken: frothfet
Open-source 8-channel load controller for marine/12-24V DC systems. ESP32-S3 based with 20A per channel, current sensing, voltage monitoring, fuse protection, PWM dimming, and SignalK integration.
1-max-1: heli-avionics
Custom flight controller for coaxial RC helicopter with brushed DC motors. Features ATmega4808 MCU, NRF24L01 RF transceiver, DRV8212 motor drivers, and BMP390 pressure sensor for altitude.
paltatech: SiC-half-bridge
Three parallel Silicon Carbide (SiC) MOSFET half bridge power stage design. High-efficiency power electronics for motor drives and inverter applications.
SatNOGS COMMS: SatNOGS Comms Hardware
A CubeSat format COMMS board enabling UHF and S-Band concurrent half duplex communication for small satellites. Open-source hardware following LibreCube Board specification, designed for dual-frequency transmission and reception in satellite applications.
Fyra Labs: SuzyQ Board
This project is an implementation of the SuzyQ used to access CCD on Chromebooks. Using CCD, you can (un)brick, debug, and flash (ex. coreboot) your Chromebook.
jc-SpaceXp: Spekky-Matrix
FreeRTOS-based spectrum analyzer on 8x32 LED matrix with STM32. Captures audio via I2S microphone, performs real-time FFT, and displays frequency visualization using SPI LED drivers.
OpenSourceNeuro: Spikeling
Open-source neuroscience education platform running the Izhikevich spiking neuron model on ESP32. Features desktop GUI for real-time visualization and hands-on electrophysiology experiments.
iMike78: home-mini-v1-drop-in-pcb
Open-source replacement PCB for Google Home Mini v1 using ESP32-S3 and XMOS XU316 audio DSP. Enables open-source firmware for Home Assistant voice control or Music Assistant playback.
Neumi: Open Echo
Open Source echo sounder / depth sounder / SONAR for bathymetry and research. Arduino based and compatible.
MyriadRF: LimeRFE
LimeRFE hardware design
lhm0: Rotating Display
A DIY 40 LED rotating display with Arduino nano and ESP-01s microcontrollers
Colin Williams: ES Speed Box
KiCad Circuit Design: Speedbox Controller for Pro-Ject Turntables with 16VAC Synchronous Motors
Clemens Elflein: ClemensElflein-xESC
The xESC is an easy to use, low cost electronic speed controller (ESC) design for sensored brushless DC (BLDC) motors.
Clemens Elflein: OpenMower
Let's upgrade cheap off-the-shelf robotic mowers to modern, smart RTK GPS based lawn mowing robots!
Joel Spadin: Page Turner
USB foot pedals for turning pages on a sheet music reader
Libre Solar Project: LibreSolar BMS C1
16s / 100A Battery Management System
Twisted Fields: RP2040 Motor Controller
A dual channel brushless motor controller based on the RP2040 microcontroller, designed in Kicad.
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