Amiga Mouse PC USB Mice Adapter - All Amiga Models + CD32 Compatible | eBay
RapidRoad USB
tinkerBOY USB Mouse To Amiga Adapter / Converter (TRUE USB) - tinkerBOY
Funkmaus USB-Adapter für Amiga & Atari - Amiga Shop
Look at this USB option for Amiga 1200 Motherboards from Centurion Tech
USBJoy2.0E adapter - Extended Version. Connect your Atari Amiga C64 joystick to PC! Develop your own usb device! - Polish electronics for 3D printers, CNC, robotics, retro computers
Look at this USB option for Amiga 1200 Motherboards from Centurion Tech