The basic idea is to use a floppy drive to record analog audio. To do this, I used an arduino to turn the drive off and on, and control whether or not we were reading from or writing to the disk.
It is fairly easy to write music to old floppy diskettes because they are made from the same material as audio cassette tape, and the same methods can be used. In addition, an arduino or other microcontroller is not necessary, the same thing can be accomplished using only switches and manual connections.
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