The playstation classic controller just has a micro usb connector in it : r/mildlyinteresting
USB PS1/PC Computer 1.5m Wired Gamepad Game Controller Joystick Rocker LR Black | eBay
USB Wireless Adapter for PS classic edition | 8BitDo
Old Skool Playstation Controller - Original Style - Stone Age Gamer
Yok Wireless Playstation 1 Classic PS1 Controller Nepal | Ubuy
Repairing a PlayStation controller to USB adaptor - Any Colour You Like - GameDev.net
Usb 2.0 Games Controller Adapter Converter Cable, Compatible With Sony Ps1 Ps2 Playstation Dual Shock 2 Joypad Gamepad To Ps3 Pc - Power Cables - AliExpress
2021 USB Controller Gamepad PS1 PS2 for PC USB Joystick for PC Game Wired Computer Control for Windows Laptop Plug and Play _ - AliExpress Mobile
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.
Cheap PSX PS1 PS2 To USB Converter Adapter Cable PS2 Wired Handle To PC Converter PS2 Handle Converter | Joom
Amazon.com: OSTENT PS1 PS2 to PC Computer USB 2.0 Controller Adapter Converter for Sony PS2 Wired Controller : Video Games
OSTENT PS1 PS2 to PC USB 2.0 Controller Adapter Converter Compatible for Sony PS2 Wired Controller: PC: Video Games - Amazon.ca
Wired controller for PS2 & PS1 - Black | ZedLabz
Yok Wireless Playstation 1 Classic PS1 Controller | Ubuy India
PS1 Controller MadCatz Dual Force
Using PS1 or PS2 Controllers on the PC - PS to USB - How To Tutorial - YouTube
Amazon.co.jp: Richer-R PS1 / PS2 Controller to USB Adapter Converter for Sony PS3 / Windows PC : Video Games
OSTENT PS1 PS2 to PC USB 2.0 Controller Adapter Converter Cable Cord Compatible for Sony PS2 Wired Controller: Amazon.co.uk: PC & Video Games
Trying PlayStation Classic Controller on a PC (and other controllers on the PS1 Classic) - YouTube
PlayStation 1 Classic USB Controller by AdrianoRamosOfHT on DeviantArt
Playstation Classic - Multiple Usb Controllers Tested - Will They Work? - YouTube
Ps1 Usb Controller | Ps1 Usb Control | Game Control Pc | Joystick Ps1 | Gamepads - Usb 1.01/ - Aliexpress