Atari joystick port - Wikipedia
Reviving an old joystick with an Arduino Leonardo | It's Every Bit For Itself
Sinclair Spectrum 128+2 / 128+3 Joystick Adapter - 1 port version
Joystick interface for C-16, C-116 and Plus/4 - V1.1
Amiga Analog Joysticks on Arduino - RetroSpy Technologies
WHDLOAD et slaves 3 boutons ? – Amiga Impact
The Keypad Joypad - Amiga, Atari, C64... | Hackaday.io
TV game joysticks
Blog – TruMouse.com
Reading the Sega Mega Drive / Genesis control pads | PICAXE Forum
Arduino Project: Commodore 64/Amiga, Atari 2600/XL/ST, ZX Spectrum Joystick to Windows/Linux (RetroPie) USB | jfrmilner's Tech Blog
Amiga PiJoystick - Hackster.io
Amiga PiJoystick - Hackster.io
Converting the “Competition Pro Extra USB” to C64/Amiga/Atari DB9 – pagetable.com
PS2 Dualshock to C64 Joystick Port Mod – Seco's Lair
DB9/DIN6/DB15 joystick pinouts - Classic Computing Discussion - AtariAge Forums
SmallyMouse2 – Universal USB to Quadrature Mouse Adapter – Waiting for Friday
Mingos Commodorepage
How to build an Amiga Joystick to USB adapter (DB9 to USB) - Retro32
Wireless Bluetooth Mouse Joystick Adapter for Amiga Atari Commodore Amstrad MSX | eBay
digital joystick adapter for the PC
Connectors Commodore 128 – My old computer
![pagetable@mastodon.social on X: "[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](https://pbs.twimg.com/media/FIaB-LXXEAMYmN-.jpg "pagetable@mastodon.social on X: \"[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")