It looks like people have been using Raspberry Pi’s to connect and read floppy disks. Below are some of the links. Note that it appears they are only reading data, not writing. See my other posts for both reading and writing to 5.25″ and other floppy drive interfaces.

Links:

• https://hackaday.com/2021/06/21/raspberry-pi-floppy-driver-uncovers-fishy-secrets/
• https://github.com/picosonic/bbc-fdc
• https://hackaday.com/2021/03/30/a-floppy-controller-for-the-raspberry-pi/
• https://www.smbaker.com/raspberry-pi-floppy-controller-board