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.
237 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.
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.
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.

by Envious-Data
A custom mechanical keyboard inspired by the CFTKB Mysterium utilizing the Raspberry Pi Pico
by dbuchwald
DB6502: 65C02 based computer inspired by BE6502

by chili-chips-ba
Spicing up the first and (no longer) the only EU FPGA chip with a flashy new board, loaded with a suite of engaging demos and examples => https://www.chili-chips.xyz/open-cologne | Also see https://nanoxplore.com
by CalPlug
ADE 7953 Arduino style library (Espressif ESP8266 and ESP32 compatible) and demo board PCB design

by vonkonow
Leet AI – Wireless Synthesizer Ensemble with AI-powered composition for endless inspiration
KiCad sourceby 4x1md
AFSK interface for Android smartphones and tablets.
KiCad sourceby 0101shift
All design files, source code, and documentation for Project OAK, a digital watch inspired by mechanical complications.

by pol-valero
3D-printed Mars Rover robot inspired by NASA’s Perseverance rover. Built using Raspberry Pi, ESP32, and Arduino boards. It includes a web dashboard and a remote control with a touchscreen for monitoring and control.
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.