I bought a cheap gamepad for my PC and the right stick is acting as 1,2,3,4 buttons. Why is it happening? And how to fix it? - Quora
How to Fix/Prevent Joystick Drift on a DualShock 3 - iFixit Repair Guide
How to Fix Analog Drift or Analog Stutter on PS3 / PS4 / PS5 Controller (Cleaning Solution) - YouTube
Amazon.com: ElecGear 4X Replacement Joystick (EL2 FU 10K) for PS4 / PS3 Wireless Controller, Analog Stick Controller Sensor Assembly Thumbstick Module for Playstation : Video Games
Amazon.com: Bek Controller replacement for PS3 Controller Wireless Remote Gamepad, Thumb Grips, Double Shock 3 Vibration, Motion Sensors, Rechargeable Battery, compatible with Sony Playstation 3 Color (Black) : Video Games