Watch Winder

A watch winder, in which the rotational movement is transmitted without contact (with the help of magnets).


Video-Link:
* https://youtu.be/xfQKY-0cmOE

Project-Page (German language):
* http://www.dahlgrimm.de/Arduino/WatchWinder/WatchWinder.html

Also needed (see project-page for the corresponding links to amazon.de):
* 1x 28BYJ-48 stepper motor
* 1x coupler for DC power plugs
* 1x ATtiny85 + socket, 8-pin
* 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)