Amazon.com: SPEEDLINK SL-650212-BKRD Competition PRO EXTRA USB Joystick - Anniversary Edition, Retro-Arcade-Stick, schwarz-rot : Video Games
USB Joystick Adapter from Retronic Design on Tindie
USB Joystick Adapters – breadbox64.com
SPEEDLINK SL-650212-BKRD Competition PRO EXTRA USB Joystick - Anniversary Edi... | eBay
TheC64 Micro Switch Joystick
C64 Mini review - USB & HDMI Commodore 64 | Rock Paper Shotgun
USB Joystick Adapters – breadbox64.com
Competition Pro USB Joystick + '99 Best of C64 Classix®' Games Collection, Jöllenbeck GmbH, Press release - PresseBox
Retronics USB Joystick Adapter and Other Coolness with V-USB | Code and Life
Arduino Project: Commodore 64/Amiga, Atari 2600/XL/ST, ZX Spectrum Joystick to Windows/Linux (RetroPie) USB | jfrmilner's Tech Blog
ArcadeR 9-pin Joystick compatible with Sinclair, Atari, Commodore, Sega etc | eBay
USBJoy2.0 - adapter. Connect your Atari Amiga C64 joystick to PC! Develop your own usb device! - Polish electronics for 3D printers, CNC, robotics, retro computers
RetroFun! Connect joystick Pegasus Sega Commodore to PC USB New | eBay
Atari 2600 USB Joystick (Retro-link) - Stone Age Gamer
Amazon.com: Retro Games The C64 USB Joystick for PC : Video Games
C64 Joystick Adapter | Hackaday
Amazon.com: Retro Games The C64 USB Joystick for PC : Video Games
UPDATE] Converting the “Competition Pro Extra USB” to C64/Amiga/Atari DB9 – pagetable.com
Jan Beta - Classic Atari Joystick to USB Adapter - The Oasis BBS
Dual 9 Way Atari/Commodore USB Joystick Adaptor
Atari Retro Joystick USB adapter – Make or Buy – 2 and 4 ports