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: Retro USB Adapter for Atari Joysticks and Paddles - 4 Port/Players : Electronics
USB Joystick Adapter from Retronic Design on Tindie
Commodore 64 Joystick Mouse Controller Pad C64 9 Pin Extension Cable Lead - UK | eBay
Amazon.com: The C64 Micro Switch Joystick (Electronic Games) : Video Games
GitHub - tebl/C64-Joystick-Adapter: A simple device that allows the connection of two Commodore 64 joysticks to a modern computer over USB (using an Arduino Pro Micro). The overall goal is to be
The C64 Joystick Adapter
KMTech Cyclone RX Playstation Joystick Gamepad Adapter for Commodore C64 C128 | eBay