V-USB - A Firmware-Only USB Driver for Atmel AVR Microcontrollers
AVR-USB-162
Amazon.com: waveshare AVR Programmer USB AVRISP XPII Compatible with ATMEL at AVR ISP mk2 mkII in-System Programmer Supports AVR Studio 4/5/6/7 Or Higher Version : Electronics
USB ISP USBASP Programmer for ATMEL,51 AVR Programmer M80 A2TM | eBay
Amazon.com: HiLetgo 51 AVR ATMEGA8 Programmer USBasp USB ISP 10 Pin USB Programmer 3.3V/5V with Cable : Electronics
Weeks 11-12: AVR USB Devices and Programming
Building and installing USBASP-USB programmer of AVR microcontrollers - Do It Easy With ScienceProg