made a handy hotkey diagram for ps3 controllers (should be same for xbox) : r/RetroPie
How to Sync Your PS3 Controller
Amazon.com: Brook Super Converter - PS4/3 to PS2/1, Support Switch Pro/Xb One/ PS5/ PS4/ PS3 Controllers on PS2/ PS1/PS Classic, Retro Consoles Controller Converter : Video Games
PS3 Button Map - Unity Forum
PS3™ | Using the keyboard
Use a PS3 Controller with an ESP32 | DroneBot Workshop
PS3 Controls - Guide Information - Introduction | The Elder Scrolls V: Skyrim Anniversary Edition | Gamer Guides®
Brook Converter】How to Set Remap on Brook Converter with PS3 Controller - YouTube