[Becky] had some PS4 controllers ... to read most of the buttons. A breadboard and an LED came in handy to figure out which pads corresponded to which buttons on the controller.

Whether to replace your main PS4 controller, as a spare or for your weekend eSports competitions, one of these will surely push your buttons. Sure, it’s the default pad for any PS4 gamer. But that ...

[Becky] had some PS4 controllers ... to read most of the buttons. A breadboard and an LED came in handy to figure out which pads corresponded to which buttons on the controller.