EspressifOfficial resources
ESP32-DevKitC V4
Espressif’s classic ESP32 development board with Wi-Fi, Bluetooth, USB-to-UART and breadboard-friendly pin headers.
ESP32-WROOM-32 + CP2102N
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Exact board pages for widely used TI, ST, Espressif, Arduino, Raspberry Pi and Nordic hardware, linked to the manufacturer’s schematics and design resources.
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.
by ExpressLRS
Open-source PCB designs, schematics, and 3D-printable cases for ExpressLRS TX modules and receivers
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 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 mecparts
An ESP8266 based RS232 <-> WiFi modem with Hayes AT style commands and LED indicators
by shmoergh
Fully analog DIY-friendly modular synth
by adamjvr
Footprints for the Espressif ESP32 WiFi/BLE Chip and ESP3212 module, for KiCAD EDA
by Szybet
A modular, hackable, improved watchy like watch
by tjclement
Custom hardware designs for a super tiny $5 WiFi (RGB enabled) LED dimmer module based on the ESP8266
by mzuelch
Analog Synth Eurorack Modules
by mattvenn
Reference design for Lattice ECP5 FPGA. Featuring Raspberry Pi interface and 6 PMODs
by ijnekenamay
eurorack modular synthesizers projects using Arduino.
by Pwdr
A powder substrate rapid prototyping machine
by ChrisChrisLoLo
A 4x10 hotswap ortholinear keyboard that supports multiple configurations.
by hackup
Raspberry Pi extension board for the PI1541 project.
by alwynallan
Open RNG based on Modular Entropy Multiplication
by crmaykish
A series of single-board Motorola 68k computers with support for modern Linux
by ashpil
A modern yet simple Model M replacement controller
by Nicell
Display module for the Good Display or Waveshare 1.02 inch e-ink display
by duerrfk
Key 2.0 is a Bluetooth IoT Door Lock. It turns a conventional electric door lock into a smart door lock that can be opened using a smartphone without the need for a physical key. Thus, Key20 is the modern version of a physical key, or, as the name suggests, the key version 2.0 for the Internet of Things (IoT) era.
by OpenScienceMOOC
Module 5: Open Research Software and Open Source
by 30350n
PCB panels for Mutable Instruments eurorack modules
by SukkoPera
Playstation to Commodore Amiga/CD32 Controller Adapter
by TCWORLD
DIY Electronics System for connecting a non-Goto telescope to EQMOD
by ckflight
Frequency Modulated Continuous Wave Radar hardware and software design files with 26 dBm output power covering around 250 m.
by MUTEtheCyberwolf
Valve Index DEV Frunk 1.0 Custom made to give the Index more Mounting Options for Adapters and DIY Devices. All Modifications that i create are Reversible and will not damage the Product. (Except you try to break it on purpose)
by SukkoPera
Open Hardware Fast Loader cartridge for the Commodore 64 and 128 - DO NOT USE!!!
by galopago
Electronic hardware prototyping system. Solderless, robust and open source. Solves the typical problem of the circuit that works on a breadboard but stops working on a real-world setup. Easy to replicate and compatible with virtually every electronic module.
by Serisium
Passthrough signal decoder and LED visualizer for use in Gamecube Controller mods
by cyijun
An open source Zstack3 gateway powered by ESP8266 and CC2652 modules
by vonkonow
Leet AI – Wireless Synthesizer Ensemble with AI-powered composition for endless inspiration
by yasir-shahzad
MCP2515 and TJA1050 CAN Bus Module
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 vd-rd
Open hardware compute module with Allwinner A13 (ARM-A8 @1GHz), DDR3 (max 512MB) and expansions (USB, GPIO, WiFi, LCD, Audio)
by martinribelotta
iMX RT 1020 CPU module
by aKaReZa75
Educational shield for the Quectel M66 GSM module, fully compatible with Arduino UNO.
by 4x1md
DIY GPS module for Nikon DSLR
by b1scuitdev
E07xESP32C5 is a Sub-GHz & ESP32-C5 module for Flipper Zero. It includes an EBYTE E07-433M20S (PA+LNA), microSD slot, UART pads for GPS, 5V output and a 4-layer PCB with solid ground planes for RF performance.
by cajunpanda
A HiFi audio mod for various Game Boy models
by salehali22
SAL-FC: Open-source Modular STM32H743 Flight Controller
by ytmytm
C128 MMU 256K RAM expansion
by OpenGammaProject
🎒 Carrier board for a 6 mm C-Series MicroFC-60035 silicon photomultiplier.
by DIYSynthMNL
A multi saturation module with voltage controlled wet/dry mix
by vd-rd
Open SBC module based on Allwinner V3s processor
by OpenModbus
A compact industrial-grade 64-channel Modbus RTU output module.
by mcer12
CM4 based replacement motherboard for PSX (PS1 Slim), featuring USB-C, HDMI, wifi, working front panel dualshock ports and even working DVD drive.
by atoomnetmarc
Schematic, PCB files, firmware and 3d models for creating the IoT12 solder iron temperature controller for T12 compatible tips.
by Alex-2-Graf
Leningrad-2. Russian ZX Spectrum clone (2025 Revision). Modernized schematic & PCB with onboard RGB2VGA/HDMI converter, AY-3-8910 sound, and expansion bus adapters.
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.