QMK Firmware Flasher - GUI for flashing your atmega32u4 based keyboard
Downtown Doug Brown » Atmel AT90USBKEY review and demo code
Weeks 11-12: AVR USB Devices and Programming
XMEGA Appl Note Datasheet by Microchip Technology | Digi-Key Electronics
AVR Programmer Made Without A Programmer | Hackaday
How to Flash Arduino Bootloader without a Programmer
Weeks 11-12: AVR USB Devices and Programming
Flash USB-to-serial firmware in DFU mode – Arduino Help Center
AT90USB128x, AT90USB64x
GitHub - dfu-programmer/dfu-programmer: dfu-programmer is a Device Firmware Update based USB programmer for Atmel chips with a USB bootloader
dfu-programmer - Download
AVR32784: AVR UC3 USB DFU Bootloader
Arduino Firmware | Queen's Mostly Autonomous Sailboat Team Wiki | Fandom
Help with flashing board : r/MechanicalKeyboards
BASCOM-AVR
Loading Arduino Bootloader to a brand new ATMEL Microcontroller chip
USB DFU Bootloader by Microchip Technology Datasheet | DigiKey
Arduino USB DFU firmware from scratch | A Mutable Log
microcontroller - How can I program an Atmega32u4 over USB with this schematic? - Electrical Engineering Stack Exchange
Embedded Computers
Getting started with ATmega8u2 and other AVR USB microcontrollers – HELENTRONICA
How to Install LUFA for Arduino USB Development
