REFERENCE DESIGNS

Open hardware, with the files to prove it.

387 published boards whose schematic and layout source is public — KiCad, EAGLE, Altium and EasyEDA projects you can read, fork and build on. Every entry links to the original repository and names its licence.

Boards indexed

387

With a design page

387

KiCad projects

175

Goldfish

by staticintlucas

A small, thin, USB-C, Pro Micro compatible microcontroller

219 37No license

KiCad source

Microcontroller boards

TheTick

by jkramarz

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

183 18GPL-3.0

BE6502 Build a 65c02 Computer board, published by tebl

KiCad source

Computers & FPGA

BE6502 Build a 65c02 Computer

by tebl

A PCB being made while watching Ben Eaters "Build a 6502 computer" video series. Includes the computer itself, a standalone slow clock and an Arduino Mega shield for the bus monitor sketch..

128 19Custom

KiCad source

Microcontroller boards

Sirboard

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.

55 17Apache-2.0

KiCad source

Retro computing

MegaDrive

by stonedDiscord

Sega Mega Drive Schematic and Board Files

45 8No license

Omega Dock New board, published by valerionew

KiCad source

Power & batteries

Omega Dock New

by valerionew

A dock for Onion omega, omega2 and omega2+. It features: Microusb for power supply, USB host, Ethernet

37 9CC-BY-SA-4.0

Radio Frequency Prototype Boards board, published by maelh

KiCad source

RF & wireless

Radio Frequency Prototype Boards

by maelh

Radio frequency prototype boards (based on MegawattKS' design)

28 5BSD-3-Clause

Scart Megadrive 2 12v Cable board, published by KabukiFlux

KiCad source

Interfaces & adapters

Scart Megadrive 2 12v Cable

by KabukiFlux

PCB form Megadrive/Genesis 2 RGB minidin to Scart adapter with 12V DCDC boost (4:3 switching)

11 1MIT

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Repository topics

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.

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