The best controller for steam deck is one you already have. My PS One Analog is still working, tho through cable with more than a decade old PS2 to PS3 USB converter.
Ps2 Controller Usb Pc Gamepad Get Gaming Experience! - Temu United Kingdom
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USB PS II 2 Player Convertor
Cheap DATA FROG Wired Controller For PS2 USB Game Controller Double Vibration Joystick Gamepad For PC/Sony Playstation2 Console | Joom
Is it possible to blend a usb wire to an old ps2 controller and use it in a computer? : r/electrical
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Repairing a PlayStation controller to USB adaptor - Any Colour You Like - GameDev.net
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Mcbazel PlayStation 2 Controller to USB Adapter for PC or Playstation 3 Converter Cable for Sony DualShock PS2 PS3 Controllers (NOT compatible with Dancing Mat Guitar Hero): Amazon.co.uk: PC & Video Games
Vilros Retro Gaming PS2 Style USB Gamepads | vilros.com
1X(Retro Game Rocker Controller Usb Joystick For Ps2/Ps3/Pc/Android Tv Built-In | eBay
How to use a generic PC USB joypad on a PS2 - Quora
Twin USB Joystick ON Android Version - Android devices - Libretro Forums
Ps2 Controller Usb Pc Gamepad Get Gaming Experience! - Temu United Kingdom
