ExtraStepper

**UPDATE 17.04.17:**
He encontrado un sitio donde comprar un circuito similar y drivers a un buen precio, sin complicaciones:
https://www.diyania.com/es/impresion-3d-modulos/extensor-de-motores
https://www.diyania.com/es/impresion-3d-drivers/

I have found a site where to buy a similar circuit and drivers at a good price without complications:
https://www.diyania.com/en/3d-printing-modules/engine-extender-module
https://www.diyania.com/en/3d-printing-drivers/





Circuito listo pa