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.
Espressif’s classic ESP32 development board with Wi-Fi, Bluetooth, USB-to-UART and breadboard-friendly pin headers.
A compact Wi-Fi and Bluetooth Low Energy development board based on the RISC-V ESP32-C3-MINI-1 module.
A compact ESP32-S3 development board for Wi-Fi, Bluetooth Low Energy, USB and embedded AI experiments.
The 32-bit Arduino Uno board combining a Renesas RA4M1 MCU with an ESP32-S3 connectivity module and a built-in LED matrix.
The original RP2040 microcontroller board, with castellated edges, USB and exposed debug pins in a compact dual-inline format.
The RP2350-based successor to Pico, retaining the familiar form factor while adding more performance, memory and security features.
A multi-protocol nRF52840 development kit for Bluetooth Low Energy, Matter, Thread, Zigbee, NFC and proprietary 2.4 GHz designs.

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 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 cheyao
An ECP5 FPGA Dev Board in a Pi Zero form

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

by aderusha
LCD touchscreen for Home Automation

by KitSprout
AD 元件庫,AltiumDesigner PCB Library

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 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 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 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 KCORES
OCP Mezzanine card V2.0 to standard PCIe slot adapter design

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

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 SMotlaq
An open-source handmade smartwatch. All of the codes, PCBs and schematics are available. ⌚

by newdigate
Hardware Design: Eurorack shield for teensy 4.1 with 14 in / 16 out analog channels

by mecparts
An ESP8266 based RS232 <-> WiFi modem with Hayes AT style commands and LED indicators
by CRImier
My KiCad boards. Can't be bothered uploading individually anymore, so here you go.

by Junkz3
A senior microsoldering technician, available to every repair shop from the seasoned pro to the apprentice. Powered by Claude Opus 5
by botletics
Arduino-compatible wireless reflow oven controller ecosystem of open-source hardware
by shmoergh
Fully analog DIY-friendly modular synth

by nickajeglin
A collection of easy to solder DIY eurorack PCB's

by bluerobotics
Simple, open-source ESC that uses the SimonK firmware.

by murexrobotics
Highly integrated electronics design and printed circuit boards (PCBs) for the MATE ROV Competition. Attempt the impossible.

by siderakb
PMW3360 optical mouse sensor breakout board, support both 3.3V and 1.8V logic

by duckyb
A 36 key gaming keypad, for both right and left handed mouse users.

by wagiminator
USB Power Delivery Testing Device and Variable Power Supply
by dbuchwald
DB6502: 65C02 based computer inspired by BE6502

by siderakb
ErgoSNM is a split ergonomic keyboard integrated with trackball, wireless is in beta

by tjclement
Custom hardware designs for a super tiny $5 WiFi (RGB enabled) LED dimmer module based on the ESP8266

by Hydra-Designs
A minimalist 1W LoRA PCB design for Meshtastic-device firmware
by Ttl
FMCW radar design files

by Jana-Marie
stm32f072 dev board with arduino nano alike pinout

by openhp
The Valden Heat Pump controller is a platform to precisely control heat pumps

by rossumur
Play color retro games on an arduino with a few cheap components
by ConnyCola
Schemetics and Code for a DIY weller soldering station
by Envious-Data
An open source RP2040 MCU Board Family

by jblang
TMS9918A video card for RC2014
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.