DB9 Joystick Port Extender - IDC Rainbow Ribbon Cable | AMI64 - Amiga & C64
Connectors
File:Commodore 64 - Joystickports, EinAus-Schalter, Poweranschluss.jpg - Wikimedia Commons
Commodore 64 Joyswitcher Review - Lyonsden Blog
![Homebrew C64 "Paddle" Box : 4 Steps - Instructables](https://content.instructables.com/ORIG/FUG/BYFZ/FGY0OSQ5/FUGBYFZFGY0OSQ5.jpg?auto=webp&frame=1&width=320&md=ec49c266fa18ffc9d5261d5388a399d9 "Homebrew C64 "Paddle" Box : 4 Steps - Instructables")
Homebrew C64 "Paddle" Box : 4 Steps - Instructables
$3.00 Goodwill find: Removed all electronics from an old PC gamepad and rewired it for use with Commodore computers. : r/c64
Control Port - C64-Wiki
ESD Protection for the C64 Control Ports | hackup.net
Commodore 64 128 JOYSTICK ESD Protection 6526 Sid 6581 Amiga vic20-PCB NEW! 2pcs | eBay
ESD Protection for the C64 Control Ports | hackup.net
C64 Control Port Devices Tester | MalLog
COMMODORE 64 128 User Port 4 player Joystick interface | eBay
Atari joystick port - Wikipedia
Connectors Commodore 64 – My old computer
Connectors Commodore 64 – My old computer
Converting the “Competition Pro Extra USB” to C64/Amiga/Atari DB9 – pagetable.com
Problems Connecting an Arduino Uno to a Commodore 64 Joystick Port - Retrocomputing Stack Exchange
Joystick tester db9 (Commodore 64, Amiga, Atari, etc) - Dreamcast.nu
Protovision - C64 Hardware Support/Tools/Software/Updates - 4 Player Interface C64
Commodore 64 Service Manual: Keyboard, Joystick & Paddle Interfaces
USB Joystick Adapters – breadbox64.com
