Teardown Part 1: How to safely open a Dualshock 4 controller without breaking or losing parts - YouTube
DualShock 4 Teardown - iFixit
Amazon.com: Geekria Replacement Joystick Repair Kit, Metal Buttons for DualShock 4, Controller Repair Kits with Tool for Playstation 5, Playstation 4, PS4 Slim, PS4 Pro, CUH-ZCT2 Controller (Black) : Electronics
Ultimate OEM DualShock 4 Guide : r/PS4
Dualshock 4 v2 Teardown – Qubits & Bytes
My favourite controller broke down, so I thought why not tear it down and show it to you guys.. : r/PS4