Retronics USB Joystick Adapter and Other Coolness with V-USB | Code and Life
Retro 9 Pin Joystick to USB Converter : 4 Steps (with Pictures) - Instructables
USB Joystick Adapter from Retronic Design on Tindie
USBJoy2.0E adapter - Extended Version. Connect your Atari Amiga C64 joystick to PC! Develop your own usb device! - Polish electronics for 3D printers, CNC, robotics, retro computers
Amazon.com: 9 pin to USB Dual Atari Joystick, Paddle, and Driving Adapter by iCode, DB9 Ports, Plus Edition : Video Games
Atari Retro Joystick USB adapter – Make or Buy – 2 and 4 ports
Amazon.com: Fits Older USB Link1 Models - Heavy Duty Adapter Atari 6 and 9 Pin Y Deutsch Cable Fits 1st Generation USB Link1 Part # 125032 with 15-pin Male Connector for NEXIQ
9 pin to USB Dual Atari Joystick, Paddle, and Driving Adapter by iCode, DB9 ports, Pro 2
Amazon.com: 9 pin to USB Dual Atari Joystick, Paddle, and Driving Adapter by iCode, DB9 Ports, Plus Edition : Video Games
Homemade USB adapter for 9 pin Atari C64 Amiga Joysticks - YouTube
Compatible List For Joysticks/Pads and Adapters | thec64community
USB Joystick Adapters – breadbox64.com
USB joystick adapter for 9 pin joysticks – Vintage is The New Old