Wireless Game Controller for Windows PC/Raspberry Pi/PS3 Gamepad Rechargeable Gaming Joystick Portable Remote Joypad for Laptop/Desktop Computer,Emulator,RetroArch, Steam,Roblox,RetroPie,RecalBox : Amazon.ca: Video Games
RetroArch
Project Lunar – How controllers are mapped – ModMyClassic
Lakka documentation - Input settings
retroarch controllers input number file configuration mapping - RetroPie Forum
How to Setup a Controller on Retroarch on PC - YouTube
RetroArch] Every Controller is Not Created Equal : r/emulation
To get all these controllers to to play nice with each other on one pc took 5 seperate retroarch installs running independent from one another, usb hub with switches, wii u adapter,