How to connect older MIDI keyboards to USB (MIDI to USB cable) - YouTube
Amazon.co.jp: DigitalLife BM1003-DL MIDI to USB Interface, MIDI USB Converter Cable 1IN 1OUT MIDI Cable Easy Connect Electronic Instrument to PC for Musical Instruments High Compatibility (1.8m丨Compatible with Windows 11) : Musical
MIDI 1i1o - E-Commerce-Revolution
LogiLink USB MIDI UA0037A « MIDI Interface
Basics of USB-MIDI -
Amazon.co.jp: MIDI Cable, USB Interface MIDI USB Cord, Electronic Instrument to PC Easy Connection Keyboard Cable Midi Cable 1 in 1 out High Transmission Efficiency, Conversion Cable 2M No Installation Required, High
Cheap USB MIDI cable: some self assembly may be required – arvydas.co.uk
Amazon.com: Fasgear USB C MIDI Cable with Type C to USB Adapter, 6ft Type C to in-Out MIDI Cable for Music Keyboard Piano to PC Laptop, MIDI to USB C Interface Converter