SOLVED: Why does my controller randomly presses buttons? - DualShock 3 - iFixit
Debacle: I've bought several used PS3 controllers and they all are useless because they operate all on their own, performing directions and pressing buttons, nonstop, as if a ghost is doing it.
Controller now pressing random inputs on its own (both wired and wireless) · nefarius DsHidMini · Discussion #170 · GitHub
Sony PS4 controller Sponge Ribbon Support playstation spare random button press | eBay