KiCad sourceEthersweep
by Neumi
Open Source, easy to use Ethernet connected stepper motor controller. Built in FreeCAD, KiCAD and Arduino.
312 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.
KiCad sourceby Neumi
Open Source, easy to use Ethernet connected stepper motor controller. Built in FreeCAD, KiCAD and Arduino.
EAGLE sourceby jcchurch13
Mechaduino hardware design files. Project logs:

by pachterlab
poseidon system - open source syringe pumps and microscope for laboratories
KiCad sourceby murexrobotics
Highly integrated electronics design and printed circuit boards (PCBs) for the MATE ROV Competition. Attempt the impossible.
by OpenBionics
Affordable (< 100$), light-weight (< 200 gr), adaptive, underactuated robot hands
by jjrobots
B-ROBOT Arduino self balancing robot from JJROBOTS.com
KiCad sourceby ckflight
BLDC 3 phase motor speed controller hardware design working with open source BLHeli_S firmware.
Altium sourceby uwrobotics
PCB designs for the University of Waterloo Robotics Team
by jjrobots
New and improved version of our Balancing Robot B-ROBOT

by RicardoJCMarques
EasyCAM5000 is collection of CAM tools for Makers. It includes EasyTrace5000 for PCB fabrication/prototyping and EasyShape5000 for 2.5-3D milling + 4th axis. It's 100% web-based, client-side, open-source and free to use.
by fishpepper
a tiny 16x16mm hole-to-hole 4in1 brushless ESC running BLHeli_s
by linorobot
Indoor/Outdoor Positioning System based on Decawave's DWM1000 Ultra Wide Band transceivers.

by tinkrmind
A hardware kit to experiment with inflatable and vacuum based soft robotics.
by I-M-Robotics-Lab
Quadcopter design based on STM32F411CEU Blackpill flight controller. Compatible with INAV 6.0 firmware.
by caiannello
Javascript app to process a PCB image and output G-code suitable for laser engraver or similar machine. To reduce tool time, by default, the board traces are Voronoi Tesselated, though this is optional.
by UWARG
PCB designs for the Waterloo Aerial Robotics Group
by ziteh
PCB axial flux PMSM/BLDC motor (WIP)
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.