DIY-friendly 60% Bluetooth PCB using the nRF52840. MX, ALPS and SMK versions.

3D Printable 3:1 Geared Extruder

Multi layout 60% PCB with support for common ANSI and ISO layouts and split space. SE-version is for use in Polaris, DB-version for use in Bakeneko/Kei.

20 pin SWD/JTAG J-Link to 10 pin (0.1" and 0.05") reconfigurable Cortex-M header with power supply and TagConnect compatibility. (Info about about J-Link Commander and Segger RTT is also given.)

M19O2 open source hardware Oxygen Concentrator based on the Pressure Swing Adsorption cycle aka Skarstorm cycle

A programmable (QMK/TMK supported) HHKB controller with integrated hub

The FB2020 Core XY 3D Printer repository

Steezy60 is a 60% PCB in two versions: one for SMK gen 2 switches one for ALPS-compatible switches. Compatible with standard tray-mount cases. BIG layout compatibility.

The Unextended Keyboard. A 60% Keyboard targeting Alps and AEK-keycaps

A collection of all of my common settings/symbols/packages and selfmade footprints/symbols and a page layout for KiCad.

Leopold FC980C replacement keyboard controller

60% PCB for using ISO AEK keycaps. Supports split r-shift, split space and Tsangan bottom row (non AEK space keycap).

Altium footprints and schematics used in my custom designs

1/2 channel 4-20 mA to voltage converter boards using LMP8640 current sense monitor.

Low-cost replay device for playing back Tool Assisted Speedruns on real hardware

this is the repo for the first prototype of the opencare project

A simple and fast microwire twister

Custom PCB design of an external S-&Watt-Meter for radios. Useful for all enthusiasts and amateur HAM operators.

G_CardMother a homemade without any microcontroller motherboard for 8bits processor like "GP8B"

An open-source assistive switch that is activated by movement or extremely light contact.