How to fix a PS3 controller that moves by itself - Quora
How To Charge Your PS3 Controller (DualShock 3 Troubleshooting Guide)
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
Amazon.com: PlayStation 3 Dualshock 3 Wireless Controller (Black) : Video Games