No bananas were harmed in the making of this Hall effect drift-proof joystick replacement ... shows here is to yank the potentiometers off a PS4 joystick and replace them with contactless Hall ...

But, if you want backups and replacement options for your other PS4 controller buttons, you can also get the Yosikr Thumbsticks Joystick for Playstation 4 PS4 Controller ($9.99) which includes a ...

[Becky] had some PS4 controllers that were sadly no longer functional. However, most of the buttons and joysticks still appeared to be okay. Thus, she set about designing a replacement PCB to ...