made a handy hotkey diagram for ps3 controllers (should be same for xbox) : r/RetroPie
The PS3 Sixaxis Controller Is the Best RetroPie Gamepad—Here's Why – Review Geek
How to use a PS4 controller on Retropie? (the easy way) – RaspberryTips
Ps3 Controller Retropie Discount, 62% OFF | www.museodeltaantico.com
RetroPie Controller Pairing Problems
PS3 Controller Setup Option Missing - RetroPie Forum
PS3 Controller works in ES but not in games: case study. · Issue #1555 · RetroPie/RetroPie-Setup · GitHub
Can I use a generic PS3 Bluetooth controller in Retropie? - RetroPie Forum
GitHub - free5ty1e/primestationone: PrimeStation One: A Set of Scripts and Tools For a Ready-To-Go RetroPie with PS3 controls set up and wifi and bluetooth and PS3 bluetooth