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
PS3 Controller Problems (easy fix for random button pushes, left analog) - YouTube
Fix random button presses on PS3 controller | DIY Fix | Making With Mihir | - YouTube
Fix random button presses on PS3 controller | DIY Fix | Making With Mihir | - YouTube
Sony PS4 controller Sponge Ribbon Support playstation spare random button press | eBay
SOLVED: Why does my controller randomly presses buttons? - DualShock 3 - iFixit
Dual Analog Controller - Wikipedia
Fix random button presses on PS3 controller | DIY Fix | Making With Mihir | - YouTube
SOLVED: I can fix my PS3 controller without opening it? Random Pressing Button - DualShock 3 - iFixit
Ken Umemoto's vReality: PlayStation Dualshock 3 L3 Button Fix
Playstation 3 Dualshock 3 Wireless Controller (Black) (Renewed) : Video Games - Amazon.com
How to Sync Your PS3 Controller
Playstation 3 Dualshock 3 Wireless Controller (Black) (Renewed) : Video Games - Amazon.com
Fix random button presses on PS3 controller | DIY Fix | Making With Mihir | - YouTube