Remember the days when floppy drives were all the rage. Well I don’t miss those slow noisy things, it’s hard to believe that a large floppy was one that held 1.44MB of data. You would need 10 of them to store a modern picture these days! Thankfully there is still a use for these relics, you can connect them to a custom microcontroller and have it play some music using the stepper motors that move the read/write heads. :) You can see a bit more information on the Dual Floppy Drive Music here. There is an English translation in the works, when it is done that link will also be added.
“FDD has a simple interface – the description may be found for example [ HERE ]. To move the head you need to activate the drive by pulling the DRVSB0 or 1 (depends on the cable you have and the connector – notice the crossover on the FDD ribbon cable) pin low and then falling edge on STEP pin makes the head move one step in direction dependent on DIR pin state.
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