Sorry, I'm new, but amazed at the possibilities of arduino. I'd like to lower an object distance x upon trigger by a piezo. Like a knock lock (a given knock pattern as trigger), but instead of unlocking a door, a stepper motor would need to unwind a string from which an object is suspended. Subsequ…

Help a newbie raise/lower an object (stepper motor spooling/unspooling string)

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