candleLight
by HubertD
stm32f0 usb can adapter (KiCAD)
by HubertD
stm32f0 usb can adapter (KiCAD)
by KCORES
OCP Mezzanine card V2.0 to standard PCIe slot adapter design

by rm-controls
CAN peripheral interface for Intel NUC and other x86 device. 用于英特尔 NUC及其它x86架构的平台CAN的外设接口

by smaroukis
USB cable continuity tester ++
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 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 makersmakingchange
An open-source mouth operated sip and puff joystick that enables people with limited hand function emulate a mouse on their computer and/or smartphone.
by DoganM95
Custom pcb to replace Dualshock 4's micro b port with usb c (PD compatible)

by Stulinaz
Firmware and Kicad project for my USB to UART/I2C/SPI converter

by Swyter
An experimental PC adapter for EPCOT —the PlayStation®VR2 headset— that splits USB Type-C® into DisplayPort video, USB 3 data and power. Intercepting its DP-AUX/SBU and CC side channels.
by ohdsp
Open Hardware DSP Platform - XMOS xCORE200 Platform based DSP and microcontroller PCB design - open source hardware - untested

by Fasal-Tech
A handheld PCB designed for easy factory programming of your IoT product. Transfer files, binary images, security credentials, or certificates from an SD card to a target SPI flash IC or UART system at the click of a button. This repo contains all necessary files to manufacture your own product.
by DanielMartensson
PCB board with camera and ethernet connection + CAN-bus

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