Hacking a $1 Wireless PS1 Controller to game with on my PC | by Felcjo Ringo | Medium
Wireless Playstation Controller Ps1 Docs | eBay
Amazon.com: JINHOABF Wireless Controller for PS2,Built-in Dual Vibration 2.4G Gamepad Joystick Compatible for PS2 Controller,with Wireless Receivers (Clear Blue and Clear Red) : Video Games