Suica Viewer is a CLI and GUI tool that reads FeliCa-based transit IC cards, resolving detailed card, balance, and trip history data via a remote authentication server.

Bella is best

anyon_e, a highly integrated, high end, open source laptop. Attempt the impossible.

A python application for measuring and visualizing lens sharpness.

EC/Topre Drivers/Support Module

Cherryuf2

Open-source keyboard firmware for Atmel AVR and Arm USB families - fork is Focused on NuPhy Gem80 | Halo75V2 | Air75V2 CFW. If you want to support development of the CFW for Nuphy keyboards - you'r…

The Firmware of the minipad, a Hall Effect keypad with osu! and Rapid Trigger in mind.

FOSS re-implementation of the Logitech Unifying protocol

ThunderScope GitHub Repo

Leopold FC980C replacement keyboard controller

My ZMK board configs

Trays for conical springs

Silicon Layout Wizard

An Arduino library for the Hi-Link LD2410 24Ghz FMCW radar sensor.

Convert any LCSC components (including EasyEDA) to KiCad library

Narrow variant unified daughterboards for custom keyboard designers and users

Bluetooth HID hub

KiCAD RF tools: footprints wizard and round tracks, mask expander, via fencing

Ancillary Material for the book "Systematic Design of Analog CMOS Circuits"

Book repository "Analysis and Design of Elementary MOS Amplifier Stages"

Open source replacment controller for the Filco Majstouch 2 TKL