Joystick controls used in this work | Download Scientific Diagram
Ken Umemoto's vReality: PlayStation Dualshock 3 L3 Button Fix
Where is R, L, R3, and L3 in a PS4 controller? - Quora
File:Dualshock3 Layout.svg - Wikimedia Commons
Ps4 Controller, Usb Wired Dual Vibration Ps4 Remote Controller With Back L3 R3 Buttons And 3.5mm Headphone Jack For Sony Ps4/ps3 - Gamepads - AliExpress