3D-Printing a Joystick and a Paddle Controller (While Waiting on my C64 Parts)—Sven Krasser's Blog
C64 Joystick Adapter - Share Project - PCBWay
Controlador de juegos USB de estilo SNES para ordenador, gamepad para juegos retro, joystick modelo Super Nintendo para Windows y MAC|Mandos para videojuegos| - AliExpress
Competition Pro USB Joystick +Game-Collection 99 best of C64 Classix | SL-6603-TWT
Amazon.com: The C64 Micro Switch Joystick (Electronic Games) : Videojuegos
The C64 Mini Review - IGN
pagetable@mastodon.social on Twitter: "[UPDATE] Converting the “Competition Pro Extra USB” to C64/Amiga/Atari DB9 https://t.co/V7GpznRbNr The post now includes the new “V1.2” pinout and was updated with the use of a joystick extension
C64 Joystick Adapter | Hackaday
How to Convert Any Commodore Joystick from 9-pin to USB using The C64 Joystick - YouTube
Connect USB Joystick to Commodore C64 - Hackster.io