Motores paso a paso¶
https://elchals.wordpress.com/2015/04/12/motores-paso-a-paso-todo-lo-que-deseabas-saber-y-no-te-cotaron-en-barrio-sesamo/
http://blog.inventables.com/p/stepper-motors.html
http://www.zappautomation.co.uk/sy42sth47-1684b-high-torque-hybrid-stepper-motors.html
http://www.zappautomation.co.uk/electrical-products/stepper-systems/stepper-motors/nema-11-stepper-motors/sy28sth45-0674b-high-torque-hybrid-stepper-motors.html
http://www.zappautomation.co.uk/productattachments/index/download?id=119
https://electronilab.co/tutoriales/tutorial-de-uso-driver-dual-l298n-para-motores-dc-y-paso-a-paso-con-arduino/
http://uk.farnell.com/nanotec/st5709s1208-b/stepper-motor-0-9deg-2-phase/dp/4743155
http://diymakers.es/mover-motores-paso-paso-con-arduino/
https://www.luisllamas.es/motor-paso-paso-28byj-48-arduino-driver-uln2003/
https://elchals.wordpress.com/category/tutoriales/motores-paso-a-paso/
http://www.instructables.com/id/ARDUINO-UNO-TB6560-Stepper-motor-driver/
https://www.aliexpress.com/snapshot/0.html?orderId=501801238791306&productId=32790163409
http://hetpro-store.com/TUTORIALES/tb6560-controlador-motor-pasos/
https://forum.arduino.cc/index.php?topic=185280.0