Watch Winder
cults3d
People use a watch winder that sends rotational movement without touching (thanks to magnets). Video-Link: https://youtu.be/xfQKY-0cmOE Project-Page: http://www.dahlgrimm.de/Arduino/WatchWinder/WatchWinder.html They also need things like this: 1x 28BYJ-48 stepper motor 24x Neodym magnet (5x5x5mm) 1x 608 ball-bearing 75mm of a threaded rod (M4) some screws, washers and a self-locking nut (all in M4)
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