The controller and PSP use a 25 pin SMT connector salvaged from a laptop. The controller’s connector housing is from a set of component cables. Video after the break plus some wiring pictures.

How to connect ps2 controller to ps4 online, PS2 Controller to USB Adapter Converter Cable Compatible with Sony PS1 PS2 Controller Gamepad to PS3 PC Controller online ...

Have an Xbox 360 but secretly prefer your PS2 Dual Shock controllers over Microsoft's offerings? XCM's just released some photos of its latest adapter prototype, the XFPS 360, which include a pair ...

Jason Cecil's simple tweak only requires a USB-to-PS2 controller adapter with two inputs, a PS2 controller itself, and a couple free programs.

Maybe i havent searched around hard enough, but I remember when the ps2 was about to debut and the big controversy at the time was that the Dreamcast (still superior IMO) had 4 controller ports ...