[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 ...

[Becky] had some PS4 controllers that were sadly ... so that the gamepad’s controls can be wired up to a microcontroller. In this case, the controller was repurposed to work with an RP2040 ...

With a stable wired connection ... the upgrade who'll be happy to sell your their old PS4 DualShock controllers secondhand.

The PS4 controller isn't the hottest gamepad around anymore, but you know what, it's still a great PC controller. When the PlayStation 4 came out, its redesigned DualShock 4 was a big deal.