Automatic blind controller for Nema 17

## This case is sponsored by http://CALE.es the ESP32 Screen manager for your displays

This object is a remix I did for the Nema17 from @cabuu

In some parts there are some quick and dirty arrangements. I was looking for a simple solution to adapt this for a stepper engine, not designing a final product.

I just upload this since someone asked for it in my make pictures.
UPDATE:
2020/March the top case was updated since I change the one I use in my office. Much cleaner lines and no mo