Open-source keyboard firmware for Atmel AVR and Arm USB families

An open source cross-platform USB stack for embedded system

Arm Mbed OS is a platform operating system designed for the internet of things

Open source STM32 MCU programming toolset

Keyboard firmwares for Atmel AVR and Cortex-M

ZMK Firmware Repository

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

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

A Firmware-Only USB implementation for Atmel's AVR Microcontrollers

LUFA - the Lightweight USB Framework for AVRs.

Light weight library to control WS2811/WS2812 based LEDS and LED Strings for 8-Bit AVR microcontrollers.

Kiibohd Controller

Improvements made to the cheap T-962 reflow oven utilizing the _existing_ controller HW

Minimal dumb-terminal emulation program

firmware for the ergoDOX keyboard

Easy AVR USB Keyboard Firmware and Keymapper

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

dfu-programmer is a Device Firmware Update based USB programmer for Atmel chips with a USB bootloader

A Scheme subset for Atmel microcontrollers.

MC HCK, the small and cheap microcontroller board!

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

Board definitions for SparkFun-manufactured AVR, ARM, and ESP-based Arduino boards.

An easy to use, wired and wireless modular keyboard firmware

Nordic Thingy:52 software development kit. This kit is designed to assist users in developing their own custom firmware for Thingy. Please see http://www.nordicsemi.com/thingy for the latest news a…

keyboard controller firmware for Atmel AVR and ARM USB families

HID report descriptor I/O library and conversion tool

HID Keyboard and Mouse firmware for CC2541 ICs

Assembler for the Atmel AVR microcontroller family

Replacement firmware for various keyboards (Kinesis, Ergodox) using an Atmel AVR microcontroller