
Raemixx500
by SukkoPera
Open Hardware Remake of the Commodore Amiga 500+ Mainboard

by SukkoPera
Open Hardware Remake of the Commodore Amiga 500+ Mainboard

by mecparts
An ESP8266 based RS232 <-> WiFi modem with Hayes AT style commands and LED indicators

by adamjvr
Footprints for the Espressif ESP32 WiFi/BLE Chip and ESP3212 module, for KiCAD EDA
by mzuelch
Analog Synth Eurorack Modules

by ijnekenamay
eurorack modular synthesizers projects using Arduino.

by ChrisChrisLoLo
A 4x10 hotswap ortholinear keyboard that supports multiple configurations.
by hackup
Raspberry Pi extension board for the PI1541 project.

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 30350n
PCB panels for Mutable Instruments eurorack modules

by ckflight
Frequency Modulated Continuous Wave Radar hardware and software design files with 26 dBm output power covering around 250 m.

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 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 4x1md
DIY GPS module for Nikon DSLR

by cajunpanda
A HiFi audio mod for various Game Boy models

by ytmytm
C128 MMU 256K RAM expansion

by DIYSynthMNL
A multi saturation module with voltage controlled wet/dry mix

by vd-rd
Open SBC module based on Allwinner V3s processor

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

by KabukiFlux
Small PCB mod to mix the sync in the RGBpi cable to solve sync issues
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.