Retro Isle - Spectrum Joysticks
9pin Joystick Controller Cable for Atari 2600 Commodore C64 Vic-20 Ami – RetroArcadeCrafts
Amiga PiJoystick - Hackster.io
Atari joystick port - Wikiwand
Atari ST
A Keypad Joypad For Your Retro Gaming | Hackaday
CSEE4840 PROJECT
Retro 9 Pin Joystick to USB Converter : 4 Steps (with Pictures) - Instructables
PC Joystick Pinout – rahji.com
Atari 7800 joypad to MSX Adapter | danjovic | Hackaday.io
Rewiring your +2/+3 Joystick Ports to Atari Standard - Spectrum for Everyone
Joystick information and circuits
Winterground Fairlands - A World Of Funmagineering!: Retro Challenge 2015/7 - Amiga Mouse, Joystick, Keyboard USB interface
Joystick interface for C-16, C-116 and Plus/4 - V1.1
Reading the Sega Mega Drive / Genesis control pads | PICAXE Forum
Connectors Commodore 64 – My old computer
Reviving an old joystick with an Arduino Leonardo | It's Every Bit For Itself
C-64 Workshop / Pin Connections
Atari – Kempston Joystick Pinout diagram. – JamBlog!
How to connect old Atari style joystick to bluetooth PCB? - Electrical Engineering Stack Exchange
Dragon 32 Joystick adapter | Vrai's Retro Stuff
Atari 7800 joystick - Retronic DesignRetronic Design
