Filament Spooling Sensor

A mechanical spooling sensor for filament winding from Extrudr.eu. Works with 1,75 and 2,85mm filament.
From: http://extrudr.eu
Other technical Parts
Board:
http://www.dfrobot.com/wiki/index.php?title=DFRduino_Romeo-All_in_one_Controller_V1.1%28SKU:DFR0004%29
Potentiometer:
http://at.rs-online.com/web/p/potenziometer/0162811/?searchTerm=162-811&relevancy-data=636F3D3126696E3D4931384E525353746F636B4E756D6265724D504E266C753D656E266D6D3D6D61746368616C6C26706D3D5E5C647B337D5B5C732D2F255C2E2C5D5C647B332C347D2426706F3D313426736E3D592673743D52535F53544F434B5F4E554D4245522677633D4E4F4E45267573743D3136322D38313126
by-nc-nd