This App Lets You Mess Around with the DualSense's Triggers - IGN
Amazon.com: Wiv77 Wireless Controller for PS4 Controller, Ymir Game Controller Works for Playstation 4 Controller,Elite/Scuf Remote Control Ps4 with Turbo/2 Programming Buttons/1200mAH,New Designed,Blue Red : Video Games
PS4 Controller Breakout PCB
Help to see if my new BB controller is defective or not : r/BattleBeaverCustoms
PS4 controller Tester for Android - Download | Bazaar