pm35s-048 steper motor + UNL2003A

/* YourDuino.com Example Software Sketch

   Small Stepper Motor and Driver

   http://arduino-direct.com/sunshop/index.php?l=product_detail&p=126

   terry@yourduino.com 

   Copied from http://arduino-info.wikispaces.com/SmallSteppers

   Downloaded from http://projectsfromtech.blogspot.com

*/

/*-----( Import needed libraries )-----*/

#include <Stepper.h>

/*-----( Declare Constants, Pin Numbers )-----*/

#define STEPS  48   //Number of steps per revolution

/*-----( Declare objects )-----*/

// create an instance of the stepper class, specifying

// the number of steps of the motor and the pins it's

// attached to

//The pin connections need to be 4 pins connected

// to Motor Driver In1, In2, In3, In4  and then the pins entered

// here in the sequence 1-3-2-4 for proper sequencing

Stepper small_stepper(STEPS, 8, 9, 10, 11);

/*-----( Declare Variables )-----*/

int  Steps2Take;

void setup()   /*----( SETUP: RUNS ONCE )----*/

{

  // set the speed of the motor 

  small_stepper.setSpeed(200);  

}/*--(end setup )---*/

void loop()   /*----( LOOP: RUNS CONSTANTLY )----*/

{

  small_stepper.setSpeed(1);   // Show the 4 step sequence 

  Steps2Take  =  4;  // Rotate CW

  small_stepper.step(Steps2Take);

  delay(2000);

  small_stepper.setSpeed(100);   

  Steps2Take  =  800;  // Rotate CW

  small_stepper.step(Steps2Take);

  delay(2000);

  small_stepper.setSpeed(200);  // 200 a good max speed??

  Steps2Take  =  -800;  // Rotate CCW

  small_stepper.step(Steps2Take);

  delay(2000);

}/* --(end main loop )-- */

/* ( THE END ) */