Learning To Use The V-USB (AVR USB Firmware) Library | Hackaday
V-USB - A Firmware-Only USB Driver for Atmel AVR Microcontrollers
GitHub - wagiminator/VUSB-AVR: V-USB Board Definition Package for Arduino IDE
CyberPower AVR Series CP685AVRG - UPS - AC 90-140 V - 390 Watt - 685 VA 7 Ah - RS-232, USB - output connectors: 8 | Dell USA
Pololu USB AVR Programmer v2.1
Amazon.com: Geekstory for ATMEL 51 AVR USB ISP ASP Microcontroller Programmer Downloader with Cable + 10Pin to 6Pin Adapter Board for Ender 3 or Ender 3 Pro : Electronics
Playing around with V-USB for AVR « insideGadgets
Pololu USB AVR Programmer v2.1
AVR ATtiny USB Tutorial Part 2 | Code and Life
V-USB and AVR (Attiny, Atemga32u4, USBASP) – ElectroDragon
V-USB – A Firmware-Only USB Driver for Atmel AVR Microcontrollers « Adafruit Industries – Makers, hackers, artists, designers and engineers!
GitHub - obdev/v-usb: A Firmware-Only USB implementation for Atmel's AVR Microcontrollers