• 🌐 IoT & Wearables
• 🧠 AI & Edge Computing
• 🤖 Robotics & Drones
• 🏭 Industry 4.0 & Energy
• 💻 Laptops & Computers
• 🧩 FPGA & Development Boards
• 🔐 USB & Security Keys
• 📡 Radio & SDR
• 🔧 Debugging & Test Tools
• ⌨️ Keyboards & Input Devices
• ❤️ Medical & Health
• 🔬 Science & Space
• ⏪ Retro & DIY Computing
• ⭐ Star History

Connected devices, smartwatches and low-power sensor boards for the Internet of Things.

• Watchy - A fully open source E-Ink smartwatch based on the ESP32, MIT licensed and OSHWA certified.
• Sensor Watch - A drop-in replacement board that turns a classic Casio F-91W into a programmable ARM watch.
• Open-Smartwatch - A DIY smartwatch platform with a custom OS and 3D printable cases.

• Smart Knob - A haptic input knob with software-defined detents and endstops, powered by a BLDC gimbal motor.
• Splitflap - A DIY split-flap display with chainable driver boards and ESP32 control, designed for easy home assembly.
• Papyr - A low power nRF52840 board with an E-Paper display for BLE, Thread and Zigbee IoT projects.
• ANAVI Light Controller - A certified open source hardware WiFi controller for 12V RGB LED strips, with I2C sensor support.
• Turmlabor Nixie Clock - An internet-connected nixie tube clock built around IN-14 tubes and an ESP12e.

• ZeroPhone - An open source smartphone based on the Raspberry Pi Zero that you can assemble with just a soldering iron.

• ESP Rust Board - An open hardware ESP32-C3 board in the Adafruit Feather form factor, designed for Rust embedded development.

Open carrier boards and platforms for machine learning at the edge.

• Jetson Nano Baseboard - An open source baseboard for the NVIDIA Jetson Nano / Xavier NX SoMs by Antmicro.
• Jetson Orin Baseboard - An open source carrier board for NVIDIA Jetson Orin modules for edge AI projects.

• Tokay Lite - An ESP32 camera development board for low-power image processing and edge AI applications.
• Edgeberry - A rugged Raspberry Pi-based Linux computer for deployment on the edge, with swappable hardware cartridges.

Open robots, drones and motion control hardware.

• Crazyflie - KiCad design files for Bitcraze's palm-sized open source nano quadcopter, a platform used worldwide for education and swarm robotics research.
• TFGPS01 - A multi-constellation GNSS receiver module for UAVs with improved RF noise immunity.
• AM32 ESC Dev Board - A development board for the open source AM32 ESC firmware, with a built-in motor for testing.

• HadesFCS - A complete flight control system designed from scratch, with hardware, firmware and ground control software.

• Duet 2 - An open source 32-bit controller board for 3D printers, laser cutters and CNC machines.
• LumenPnP - An open source pick and place machine for assembling your own circuit boards.
• ΛMULET - A high-power 100A brushless motor controller compatible with moteus firmware, designed for legged robot actuators.
• SmartPrintCoreH7x - An open source 3D printer mainboard built around the STM32H7.
• ATMEGA328 Motor Board - A general purpose motor controller around the ATmega328 and an L298P driver, running up to four motors.
• Driverino Shield - A low power Arduino shield for driving sensored BLDC motors.

Industrial connectivity, power electronics and smart energy hardware.

• CANtact - An open source USB to CAN bus adapter for automotive and industrial networks.

• Open Inverter - An open source electric vehicle motor controller, a KiCad redraw of Johannes Hübner's inverter design.
• Libre Solar MPPT 2420 HC - An open source MPPT solar charge controller for off-grid energy systems.
• Libre Solar BMS C1 - An open source battery management system for lithium-ion battery packs, the successor to the 15S80 SC.
• Boatcontrol - A marine-grade smart electrical distribution panel and control system for boats and off-grid vehicles.

Fully open computers and laptop platforms with KiCad board sources.

• MNT Reform - A fully open source, DIY modular laptop built around standard components.
• MNT Pocket Reform - A 7-inch open source mini laptop with a mechanical keyboard. (Community mirror while source.mnt.re is down; official: source.mnt.re/reform/pocket-reform)
• TERES I - A do-it-yourself open source hardware laptop by Olimex, with ARM64 and x86 mainboard options.

• A64-OLinuXino - An open source single-board computer from Olimex running Linux and Android on a 64-bit ARM CPU.

Open FPGA development boards and dev kits routed in KiCad.

• iCEBreaker - A well-known open source iCE40 FPGA board for teaching and prototyping, now developed on Codeberg.
• TinyFPGA - A tiny, breadboard-friendly iCE40 FPGA board series.
• Fomu - An iCE40UP5K FPGA that fits inside your USB port.
• Alhambra II - An open iCE40HX4K FPGA board from the FPGAwars community.
• UPduino v3.0 - A low-cost iCE40UP5K FPGA board in the Arduino Pro Mini form factor, MIT licensed.

• OrangeCrab - A compact ECP5 FPGA board in the Adafruit Feather form factor.
• ULX3S - A powerful, fully open ECP5 FPGA board developed by the Radiona community.
• ButterStick - An ECP5 FPGA board in a SODIMM form factor with a striking purple PCB.

Tiny USB form factor boards and open security keys.

• Tomu - A tiny ARM Cortex-M0+ board that fits entirely inside a USB port.

• Solo & Somu - Open source FIDO2 + U2F security keys from SoloKeys, including the tiny Tomu-sized Somu.

• LUNA - An open source multitool for monitoring, hacking and developing USB devices.
• GreatFET One - An open source hardware hacking platform for reverse engineering USB and digital protocols.
• USB armory Mk II - An open source flash-drive-sized secure computer by Inverse Path, for hardware wallets, key storage and more.

Software defined radios and RF hardware with KiCad layouts.

• HackRF One - The popular open source software defined radio from Great Scott Gadgets.
• LimeSDR - A low-cost, open source, apps-enabled software defined radio platform.
• Ubertooth One - An open source 2.4 GHz wireless development platform for Bluetooth experimentation and security research.

• Hermes-Lite 2 - A low-cost, fully open source HF software defined radio transceiver for amateur radio.

Bus tools, interface explorers and lab instruments.

• Glasgow - A powerful open source tool for exploring and manipulating digital interfaces.
• Bus Pirate 5 - The modern open source universal bus interface for debugging and talking to chips.

• EEZ BB3 - A modular open source bench power supply and test & measurement platform.
• Tiny Reflow Controller - An all-in-one Arduino compatible reflow oven controller powered by the ATtiny1634R.

• DAP42 - A compact open source CMSIS-DAP debug probe for ARM Cortex microcontrollers.
• Twonkie - A USB-C sniffer and engineering adapter for probing USB Power Delivery.
• Echo Debug - A debug interface board for accessing the fastboot protocol on Amazon Echo Gen 3 devices.
• NUCLEO2USB - A USB full-speed shield for NUCLEO-64 compatible development boards.
• NUCO-V - A NUCLEO-64 compatible STM32F7/H7 development board with an integrated Black Magic debug probe.

Open source mechanical keyboards and controllers.

• Corne (crkbd) - A very popular split ergonomic keyboard with a columnar stagger layout.
• Lily58 - A 58-key split keyboard with OLED display support and per-key LEDs.
• Piantor - A beginner-friendly diodeless 42/36-key split keyboard powered by the RP2040, based on the Cantor layout.

• Discipline 65 - A popular open source 65% keyboard built entirely with through-hole components.
• Bad Thing of the Edge - A 20-key open source gaming mechanical keyboard powered by the Raspberry Pi Pico.

• Ploopy Nano 2 - A tiny open source trackball running QMK firmware, with 3D printable parts.

• ESP32 TouchDown - An open source touchscreen macro deck built around the ESP32, a DIY alternative to the Stream Deck.

Open medical and biosensing hardware.

• HealthyPi Move - An open source wearable vital signs monitor with ECG, SpO₂ and blood pressure trending, with full KiCad PCB sources.
• uECG - A very small open source wearable ECG device that streams raw data over BLE.

Open hardware for research, biosignals and orbital missions.

• piEEG - An open source shield that turns a Raspberry Pi into a brain-computer interface for measuring EEG, EMG and ECG biosignals.

• OreSat - A fully open source CubeSat bus built by students — Oregon's first satellite, currently in low Earth orbit.
• UPSat - The on-board computer of UPSat, the first satellite built with open source hardware and software.
• SatNOGS COMMS - An open source satellite telecommunications board from the Libre Space Foundation, designed for CubeSat missions.

Build-it-yourself computers, from 8-bit classics to modern carriers.

• Omega - An open source MSX2-compatible home computer you can solder together yourself.
• Piunora - A Raspberry Pi Compute Module 4 carrier in the Arduino UNO form factor.
• CM5 Minima - A compact, feature-filled carrier board for the Raspberry Pi Compute Module 5.

Your contributions are always welcome! Know an open hardware project whose PCB is designed in KiCad? Please take a look at the contribution guidelines first, then open a pull request.