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by snvzz 2035 days ago
Ultimately, the pi is unsuitable for deterministic behavior, and Linux is unsuitable for the kind of realtime needed to sample from a floppy directly.

Don't get me wrong: It would be possible to do it, but it would be theoretically not reliable, even if it felt reliable. You'd also need some sort of glue in between, as floppy drives signal at 5v and the rpi isn't 5v tolerant.

Therefore, you could connect the pi to the stm32, rather than directly run the floppy drive from the pi.