EK-TM4C123GXL Tiva C LaunchPad
An 80 MHz Arm Cortex-M4F LaunchPad built around the TM4C123GH6PM, with USB device and host support plus BoosterPack headers.
Manufacturer library
Exact board pages for widely used TI, ST, Espressif, Arduino, Raspberry Pi and Nordic hardware, linked to the manufacturer’s schematics and design resources.
An 80 MHz Arm Cortex-M4F LaunchPad built around the TM4C123GH6PM, with USB device and host support plus BoosterPack headers.
An 80 MHz Arm Cortex-M0+ development kit for the MSPM0G3507 with on-board debug, sensors and high speed ADC demonstration circuitry.
A sub-1 GHz SimpleLink wireless MCU development kit built around the CC1310 for low power sensing and long range radio designs.
A multi-band SimpleLink development kit for the CC1352P wireless MCU, including sub-1 GHz and 2.4 GHz radios with an integrated power amplifier.
An STM32 Nucleo-64 board based on the STM32F401RE, with an integrated ST-LINK debugger and Arduino Uno compatible expansion headers.
An STM32F407 discovery board with audio, motion sensing, USB OTG and an integrated ST-LINK debugger for Cortex-M4 development.

by byrantech
anyon_e, a highly integrated, high end, open source laptop. Attempt the impossible.

by GEIGEIGEIST
TOTEM is a 38 keys column-staggered split keyboard. It meant to be used with a SEEED XIAO BLE or RP2040

by mattdibi
Ergonomic split mechanical keyboard

by GEIGEIGEIST
KLOR is 36-42 keys column-staggered split keyboard. It supports a per key RGB matrix, encoders, OLED displays, haptic feedback, audio, a Pixart Paw3204 trackball and four different layouts, through brake off parts.

by tompi
An affordable split 36 keys keyboard
by samyk
KeySweeper is a stealthy Arduino-based device, camouflaged as a functioning USB wall charger, that wirelessly and passively sniffs, decrypts, logs and reports back (over GSM) all keystrokes from any Microsoft wireless keyboard in the vicinity.

by wagiminator
T12 Quick Heating Soldering Station
by evanman83
Step-by-step instructions to build a smartphone that is open-source, upgradeable, repairable, and Big Tech free.

by beekeeb
The Piantor Keyboard is a beginner-friendly, easy-to-solder, 42-key or 36-key, diodeless, low profile aggressive column staggered, hotswappable and non-hotswappable, programmable ergonomic mechanical split keyboard powered by Raspberry Pi Pico or other compatible RP2040 boards. It is based on the Cantor Keyboard.

by Redherring32
An Open-Source HardWare (OSHW) recreation of the original 1985 front-loading NES Motherboard

by cheyao
An ECP5 FPGA Dev Board in a Pi Zero form

by pashutk
Split 36-key keyboard

by Hanqaqa
Easily dive into different PCB KiCad designs of the most popular microcontroller devboards

by aderusha
LCD touchscreen for Home Automation

by cardonabits
Haxophone, an electronic musical instrument that resembles a saxophone

by KitSprout
AD 元件庫,AltiumDesigner PCB Library

by Neumi
Open Source, easy to use Ethernet connected stepper motor controller. Built in FreeCAD, KiCAD and Arduino.
by micropython
The MicroPython board

by Wren6991
Portable games console, designed from scratch: CPU, graphics, PCB, and the kitchen sink
by strangeparts
Flexible circuit board design for adding a headphone jack to an iPhone 7

by raeedcho
a wireless-only split keyboard based on the chocofi

by Chrismettal
Backpack-style addon boards for the Flipper Zero!

by ExpressLRS
Open-source PCB designs, schematics, and 3D-printable cases for ExpressLRS TX modules and receivers
by kiibohd
PCB and PCB related bits

by OpenDrone-hw
OpenRX open-source ExpressLRS receiver family hub; board sources live in four dedicated hardware repositories.
by linklayer
Hardware design files for the CANtact tool

by peej
5x12 ortholinear through-hole component keyboard PCB for standard 60% cases
by ZakKemble
N|Watch - DIY Digital Wristwatch
by HubertD
stm32f0 usb can adapter (KiCAD)

by soundmonster
Generated keyboard

by agamrossen
Open-source acoustic drone detection. It hears the propellers, not the radio, so it works against fibre-optic FPV aircraft that emit no signal at all.

by OpenGammaProject
☢️👁️ Hardware for a hackable DIY gamma-ray spectrometer using a popular NaI(Tl) scintillator, SiPM and a Raspberry Pi Pico.

by MilosRasic98
Open-source device for measuring cardiograpgy signals with a GUI for easier handling and additional software for analyzing the data.
by particle-iot
Hardware design files for the Spark Core, a tiny Wi-Fi development kit.

by jcchurch13
Mechaduino hardware design files. Project logs:

by biomurph
Repository for Open Source Mouse Firmware and Hardware
by KCORES
OCP Mezzanine card V2.0 to standard PCIe slot adapter design

by FPGAwars
:star2: IceZUM Alhambra: an Arduino-like Open FPGA electronic board
by DiatomStudio
Piccolo is a pocket-sized stand-alone CNC platform.

by cheyao
A low-cost H3 single-board computer capable of running Linux with DDR3

by ChrisChrisLoLo
The magnetic, modular, 20-key macropad that can join together to form an ortholinear board

by SukkoPera
Open Hardware Remake of the Commodore Amiga 500+ Mainboard
by rayshobby
Open-source Arduino-based Sprinkler Valve Controller
by wyager
Source files and schematics for a very small, 33-key mechanical keyboard

by CircuitSetup
Split Single-phase Energy Meter

by philippe44
all-in-one audio board, works specially well with LogitechMediaServer

by jibrilsharafi
Smart energy meter capable of monitoring up to 16 channels. Supports MQTT, REST API, Modbus TCP, InfluxDB, AWS IoT Core. Friendly UI and fully open source (PCB, schematics, components, source code)

by db-ok
Split wireless keyboard PCB based on the Sofle Choc keyboard
Every project listed here belongs to its author and is linked to its original repository. Licences are read from the repository metadata and summarised for convenience — check the licence file in the project itself before you manufacture or redistribute a design. ProtoFlow does not host, mirror or verify these files. Index last rebuilt 2026-09-21.