Steam Deck natively recognizes the PS3 controller. Simply plug it in via USB, wait for Steam OS to recognize it, then unplug USB cable and it will work over Bluetooth without needing
Wireless Gamepad - Playstation 3 : Electronics - Amazon.com
BUG]: Xbox One Controller Recognized When Binding But Not In-Game · Issue #6896 · PCSX2/pcsx2 · GitHub
PCSX2 Controller Setup: Step-by-Step Guide in 2024 - Switcher.gg
How to Use a PS3 Controller on Your PC - Make Tech Easier
Steam Community :: Guide :: How to play with 2 PS3 controllers on 1 BT dongle
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