ADVANCED COMMODORE C16 / PLUS 4 / TO C64 / AMIGA JOYSTICK CONVERTER ADAPTER | eBay
Production of New Atari compatible Joysticks from RetroRadionics – Retro Hardware
Arduino Project: Commodore 64/Amiga, Atari 2600/XL/ST, ZX Spectrum Joystick to Windows/Linux (RetroPie) USB | jfrmilner's Tech Blog
Homemade USB adapter for 9 pin Atari C64 Amiga Joysticks - YouTube
USB Keyboard Amiga Joystick for Raspberry Pi Emulator Amibian
File:Amiga Powerstick with 9-Pin connector and 1,5m cable.jpg - Wikimedia Commons
Converting the “Competition Pro Extra USB” to C64/Amiga/Atari DB9 – pagetable.com
Joystick with 2 button support - English Amiga Board
Control Port - C64-Wiki
Reviving an old joystick with an Arduino Leonardo | It's Every Bit For Itself
Build your own Commodore 64 arcade stick - a guide - Retro Games Collector
Joystick Controller for Commodore - Commodore 64 Brain
commodore 64 - Would a multi button controller have been possible on the C64? - Retrocomputing Stack Exchange
How to build an Amiga Joystick to USB adapter (DB9 to USB) - Retro32
Does anyone use old 9 pin joysticks like this with a computer cores on the MiSTer? A friend wants to use this with the Amiga or ST emulators. : r/fpgagaming