Amazon.com: Retro Games The C64 USB Joystick for PC : Video Games
Build your own Commodore 64 arcade stick - a guide - Retro Games Collector
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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
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The C64 Micro Switch Joystick (Electronic Games) : Amazon.co.uk: PC & Video Games