Controlar Motores de passo unipolares com L293D / E

http://www.8051projects.net/stepper-motor-interfacing/stepper-motor-connections.php

UNIPOLAR

BIPOLAR

http://mechatronics.mech.northwestern.edu/design_ref/actuators/stepper_drive1.html

http://www.tigoe.net/pcomp/code/category/arduinowiring/51

http://www.seattlerobotics.org/Encoder/may98/steppers.html

Roborealm

http://www.roborealm.com/forum/index.php?thread_id=1534

http://profmason.com/?p=543

Bluesmirf

http://www.lynxmotion.com/images/html/build125.htm

http://www.kin-design.com/r&d/2009/08/from-researching-bluetooth-connectivity.html

http://www.instructables.com/id/how-to-Control-arduino-by-bluetooth-from-PC-pock/