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

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

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

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

by openhp
The Valden Heat Pump controller is a platform to precisely control heat pumps
by gbin
Transform your PC into a Raspberry Pi

by maxlab-io
Tokay AI Camera - ESP32 camera development board

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 SRA-VJTI
ESP32-based Development Board for Robotics and Embedded Applications

by 10x-Aero
A 6S AM32-compatible ESC built as a proof of concept for learning how to design an ESC from scratch

by mattb
An opamp board to scale Eurorack control voltages into and out of ranges compatible with a Teensy MCU board
by CalPlug
ADE 7953 Arduino style library (Espressif ESP8266 and ESP32 compatible) and demo board PCB design

by siderakb
Pro Micro/Elite-Pi compatible RP2040 board with USB-C, 8MB flash and up to 25 GPIOs

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 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 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 dmadison
Add-on circuit boards ("shields") for connecting Arduino development boards to sim racing equipment.

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 CIRCUITSTATE
Open-Source RP2040 Microcontroller Development Board

by jojolebarjos
Experiments about GameBoy Advance and how cartridges work

by HadesVR
HadesVR Wand controllers to go with your HadesVR headset for your HadesVR setup!

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 ardiloot
ESP32 based differential pressure (and air flow) meter. Handheld, battery powered DIY device for measuring small pressure differences (Sensirion SDP810-500Pa).

by heyitsyang
PCB to create an all-in-one AC wall wart + project

by tomtor
STM32 and AVR128 Printed Circuit Board for creating IOT nodes with the RFM95 LORA chip

by OpenModbus
A compact industrial-grade 64-channel Modbus RTU output module.

by atoomnetmarc
Schematic, PCB files, firmware and 3d models for creating the IoT12 solder iron temperature controller for T12 compatible tips.
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.