The [E]xpandable [M]ulti-material [U]nit.

A collection of free-to-build handwired keyboard and macropad projects.

Modular compact automated filament changer for klipper 3d printers

A upside-down, fast, portable, and compact 3D printer

A Modular Voron V0.1 Style Toolhead

Stand Alone Main Control Case with Modular Mounts for Various Mainboards, Display's, RPi's, Fans amd MORE!

All parts including Voron files for the Belt Driven Ender 3 V3

Official Defcad Megapack Repo

Official FOSSCAD Library Repository

openhardware f3 flight controller with an integraded uSKY receiver

OpenEVSE Hardware

OO C++ RepRap Firmware

3D Printable 3:1 Geared Extruder

Footprints, schematic symbols, and breakouts for Silicon Labs wireless modules and MCUs.

Cura plugin to print directly to a DuetRRF printer

A motion tracking turret.

Klipper is a 3d-printer firmware

360° gimbal target tracking system

Data Visualization Tool

Hacking of the Neato XV-11 lidar

Use Arduino IDE to develop STM32 MCU (e.g. RedBear Duo) firmware.

Open Source scanning laser rangefinder

RaceFlight - Performance, stability and ease of use for STM32F4 and more.

NMEA and ublox GPS parser for Arduino, configurable to use as few as 10 bytes of RAM

Espressif IoT Development Framework. Official development framework for Espressif SoCs.