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.
The original RP2040 microcontroller board, with castellated edges, USB and exposed debug pins in a compact dual-inline format.

by wagiminator
T12 Quick Heating Soldering Station

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

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

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 tjko
Fanpico: Open Source Programmable PWM (PC) Fan Controller

by staticintlucas
A small, thin, USB-C, Pro Micro compatible microcontroller
by botletics
Arduino-compatible wireless reflow oven controller ecosystem of open-source hardware

by zapta
An Arduino based LINBUS stack and signal interceptor/injector.

by jkramarz
The Tick is the next evolution in covert access control system implants for simulating adversary-in-the-middle attacks.

by 8n1
Battery powered door and window sensor with ultra low standby power. Arduino, ESP-12, Reed switch, ATtiny, LDO

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

by Jana-Marie
stm32f072 dev board with arduino nano alike pinout
by Pwdr
A powder substrate rapid prototyping machine

by Mister-Industries
This is the official repo of the tinyCore ESP32-S3 project

by TheusHen
EEGFrontier is an open-source EEG device designed to measure focus and attention during study using real brain signals. It uses a custom-built PCB with a professional EEG analog front-end to capture raw EEG data and stream it in real time to a computer via USB.

by wagiminator
T12 Quick Heating Soldering Station
by regeg
Arduino-based CNC Plasma torch system Torch Height Controller

by Pakequis
A prototype board with connectors for electronic testing and development.
by RyscCorp
Magspoof R3 - Wireless magnetic stripe emulator
by CalPlug
ADE 7953 Arduino style library (Espressif ESP8266 and ESP32 compatible) and demo board PCB design

by 1Bitsy
Small breadboard friendly STM32 (eventually other mcu's too) eval boards with exposed JTAG and SWD for the use with Black Magic Probe and others!

by wagiminator
Simple USB Power Tester
by TCWORLD
DIY Electronics System for connecting a non-Goto telescope to EQMOD

by vul-os
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.

by mazls
Epoxy coffe table with 3d printed hexagon inserts and led pcbs with touch sensor

by hwstar
Hardware for an ESP8266 or Arduino based AC power meter using the Atmel 90E24 energy management chip

by OpenDosimeter
Open-source project for a low-cost battery-powered personal X-ray dosimeter! Using a custom PCB powered by a Raspberry Pico with an X-ray sensor (LYSO crystal + SiPM assembly)

by aKaReZa75
As an Electronics & Embedded Systems Engineer, I combine my expertise in PCB and firmware with a passion for teaching, creating open-source projects to help others innovate.

by fmeschia
Arduino-based battery internal resistance meter

by martinribelotta
STM32H7 Arduino form factor and software compatible board
by patrickjahns
Custom Board to control RGB + WW channels via Wifi utziling ESP8266
by tvixen
If you have a private powerwall of 18650 cells, this is the battery management system you need. The small PCB is equipped with the cheap Arduino Nano.

by cyijun
An open source Zstack3 gateway powered by ESP8266 and CC2652 modules

by wagiminator
Simple USB-C Power Delivery Tester
by mohamedboubaker
STM32 and SIM808 GPS tracker with a custom PCB design and support for MQTT and AES-128 encryption.

by yasir-shahzad
🖥️ Altium Library with 4000+ components! 🛠️ It ensures design accuracy 📐 and includes 3D STEP models 📏✨—perfect for engineers! 🚀😊 Let me know if you need more! 👍

by aKaReZa75
This repository involves an educational header board for the ATMEGA328 AVR microcontroller, compatible with the Arduino UNO.
by CIRCUITSTATE
Open-Source RP2040 Microcontroller Development Board

by cytan299
A Field DeRotator for Alt-Az Mounted Telescopes Used for Astrophotography

by MichaelThessel
MP3 player for small children - firmware & PCB schematic

by festlv
Serial MAVLink <> WiFi bridge running on ESP8266

by aKaReZa75
This repository covers essential PCB design and electronics resources, including tutorials, schematics, and hands-on projects. Explore educational boards and projects for deeper insights!

by yeokm1
Schematics of the reverse engineered Pixmob wristband used in NDP2016. Sample IR brute-force code is available but has not been fully tested in practice.

by Berkays
Hardware & Firmware for a solder reflow plate PCB
by appfruits
This is the Arduino compatible firmware running Little Helper, a little device that is useful in electronic labs. The firmware also shows how to build a more complex LCD based application, featuring a few standard controls.
by acolomitchi
Files for the capacitive soil moisture (2 kicad projects and 1 arduino sketch with dependencies)
by cnlohr
Test link between an ESP8266 and a base station or another ESP8266 easily.

by cwgstreet
ESP32 wifi enabled quad temperature probe device to monitor bbq meat / pit temperatures with wireless cloud data logging for remote monitoring and push alert notifications
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.