Minimal dumb-terminal emulation program

Keyboard Automated Design (KAD) is a Golang library for designing mechanical keyboards

USB host/device implementation using PIO of raspberry pi pico (RP2040).

USB input remapping dongle

Apple Desktop Bus (ADB) protocol decoder for Sigrok

An Arduino wrapper to @sdima1357's usb_soft_host esp-idf example

Firmware for a converter from USB keyboard to PS/2 computer

LUFA - the Lightweight USB Framework for AVRs.

Sketch for Arduino based taiko game controller circuit for PC and Nintendo Switch

Assembler for the Atmel AVR microcontroller family

The hacker's browser.

A DBus daemon to configure input devices, mainly high-end and gaming mice

Open source firmware for input devices

Mouse optical sensors proprietary firmware blobs

Measure keyboard scan rate

ZMK Firmware Repository

AT to XT Keyboard Protocol Converter firmware + schematic

Web application to enable the design & editing of keyboard layouts

Happy Hacking Keyboard usb cover for Hasu's controller

Firmware for the Truly Ergonomic keyboard

An open source cross-platform USB stack for embedded system

USB host library 2.0 for Zero/M0/SAMD

A program and utility to hijack an unlocked bootloader on the avr microcontroller

SpaceFn keyboard layout for Linux using libevdev

An easy to use, wired and wireless modular keyboard firmware

Guidelines for designing a custom Topre keyboard

Firmware images for Adafruit's Bluefruit LE Modules (Bluefruit LE Friend, etc.)

An Arduino library for creating custom BLE peripherals with Nordic Semiconductor's nRF8001 or nR51822.