If all else fails, read the following links:
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1274847452
and
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1274902910
I will attach the code for the library and give you instructions regarding how to use it.
First, navigate to: In wiring (Downloaded Arduino 0018) Arduino-0018->libraries->stepper.
Once there, back up (copy to another location in case soething goes wrong and you need to restore the original file) the file Stepper.cpp.
Next, right click in the directory and select "New" from the pop-up menu. From the 2nd pop-up menu, select "text document" from the second pop-up menu. save the file as Stepper.cpp (change the extension from.txt to .cpp) by renaming it if need be.
Lastely, copy the code supplied below into the new Stepper.cpp file and then save it. Perhaps you want to change the extension on the text file last so you aren't hassled by the "Windows cannot open this file, select a program from a list of a list of installed programs" popup window.
Hope this helps!
/*
Stepper.cpp - - Stepper library for Wiring/Arduino - Version 0.4
Original library (0.1) by Tom Igoe.
Two-wire modifications (0.2) by Sebastian Gassner
Combination version (0.3) by Tom Igoe and David Mellis
Bug fix for four-wire (0.4) by Tom Igoe, bug fix from Noah Shibley
Drives a unipolar or bipolar stepper motor using 2 wires or 4 wires
When wiring multiple stepper motors to a microcontroller,
you quickly run out of output pins, with each motor requiring 4 connections.
By making use of the fact that at any time two of the four motor
coils are the inverse of the other two, the number of
control connections can be reduced from 4 to 2.
A slightly modified circuit around a Darlington transistor array or an L293 H-bridge
connects to only 2 microcontroler pins, inverts the signals received,
and delivers the 4 (2 plus 2 inverted ones) output signals required
for driving a stepper motor.
The sequence of control signals for 4 control wires is as follows:
Step C0 C1 C2 C3
1 1 0 1 0
2 0 1 1 0
3 0 1 0 1
4 1 0 0 1
The sequence of controls signals for 2 control wires is as follows
(columns C1 and C2 from above):
Step C0 C1
1 0 1
2 1 1
3 1 0
4 0 0
The circuits can be found at
http://www.arduino.cc/en/Tutorial/Stepper
*/
#include "WProgram.h"
#include "Stepper.h"
/*
* two-wire constructor.
* Sets which wires should control the motor.
*/
Stepper::Stepper(int number_of_steps, int motor_pin_1, int motor_pin_2)
{
this->step_number = 0; // which step the motor is on
this->speed = 0; // the motor speed, in revolutions per minute
this->direction = 0; // motor direction
this->last_step_time = 0; // time stamp in ms of the last step taken
this->number_of_steps = number_of_steps; // total number of steps for this motor
// Arduino pins for the motor control connection:
this->motor_pin_1 = motor_pin_1;
this->motor_pin_2 = motor_pin_2;
// setup the pins on the microcontroller:
pinMode(this->motor_pin_1, OUTPUT);
pinMode(this->motor_pin_2, OUTPUT);
// When there are only 2 pins, set the other two to 0:
this->motor_pin_3 = 0;
this->motor_pin_4 = 0;
// pin_count is used by the stepMotor() method:
this->pin_count = 2;
}
/*
* constructor for four-pin version
* Sets which wires should control the motor.
*/
Stepper::Stepper(int number_of_steps, int motor_pin_1, int motor_pin_2, int motor_pin_3, int motor_pin_4)
{
this->step_number = 0; // which step the motor is on
this->speed = 0; // the motor speed, in revolutions per minute
this->direction = 0; // motor direction
this->last_step_time = 0; // time stamp in ms of the last step taken
this->number_of_steps = number_of_steps; // total number of steps for this motor
// Arduino pins for the motor control connection:
this->motor_pin_1 = motor_pin_1;
this->motor_pin_2 = motor_pin_2;
this->motor_pin_3 = motor_pin_3;
this->motor_pin_4 = motor_pin_4;
// setup the pins on the microcontroller:
pinMode(this->motor_pin_1, OUTPUT);
pinMode(this->motor_pin_2, OUTPUT);
pinMode(this->motor_pin_3, OUTPUT);
pinMode(this->motor_pin_4, OUTPUT);
// pin_count is used by the stepMotor() method:
this->pin_count = 4;
}
/*
Sets the speed in revs per minute
*/
void Stepper::setSpeed(long whatSpeed)
{
this->step_delay = 60L * 1000L / this->number_of_steps / whatSpeed;
}
/*
Moves the motor steps_to_move steps. If the number is negative,
the motor moves in the reverse direction.
*/
void Stepper::step(int steps_to_move)
{
int steps_left = abs(steps_to_move); // how many steps to take
// determine direction based on whether steps_to_mode is + or -:
if (steps_to_move > 0) {this->direction = 1;}
if (steps_to_move < 0) {this->direction = 0;}
// decrement the number of steps, moving one step each time:
while(steps_left > 0) {
// move only if the appropriate delay has passed:
if (millis() - this->last_step_time >= this->step_delay) {
// get the timeStamp of when you stepped:
this->last_step_time = millis();
// increment or decrement the step number,
// depending on direction:
if (this->direction == 1) {
this->step_number++;
if (this->step_number == this->number_of_steps) {
this->step_number = 0;
}
}
else {
if (this->step_number == 0) {
this->step_number = this->number_of_steps;
}
this->step_number--;
}
// decrement the steps left:
steps_left--;
// step the motor to step number 0, 1, 2, or 3:
stepMotor(this->step_number % 4);
}
}
}
/*
* Moves the motor forward or backwards.
*/
void Stepper::stepMotor(int thisStep)
{
if (this->pin_count == 2) {
switch (thisStep) {
case 0: /* 01 */
digitalWrite(motor_pin_1, LOW);
digitalWrite(motor_pin_2, HIGH);
break;
case 1: /* 11 */
digitalWrite(motor_pin_1, HIGH);
digitalWrite(motor_pin_2, HIGH);
break;
case 2: /* 10 */
digitalWrite(motor_pin_1, HIGH);
digitalWrite(motor_pin_2, LOW);
break;
case 3: /* 00 */
digitalWrite(motor_pin_1, LOW);
digitalWrite(motor_pin_2, LOW);
break;
}
}
if (this->pin_count == 4) {
switch (thisStep) {
case 0: //1100
digitalWrite(motor_pin_1, HIGH);
digitalWrite(motor_pin_2, HIGH);
digitalWrite(motor_pin_3, LOW);
digitalWrite(motor_pin_4, LOW);
break;
case 1: // 0110
digitalWrite(motor_pin_1, LOW);
digitalWrite(motor_pin_2, HIGH);
digitalWrite(motor_pin_3, HIGH);
digitalWrite(motor_pin_4, LOW);
break;
case 2: //0011
digitalWrite(motor_pin_1, LOW);
digitalWrite(motor_pin_2, LOW);
digitalWrite(motor_pin_3, HIGH);
digitalWrite(motor_pin_4, HIGH);
break;
case 3: //1001
digitalWrite(motor_pin_1, HIGH);
digitalWrite(motor_pin_2, LOW);
digitalWrite(motor_pin_3, LOW);
digitalWrite(motor_pin_4, HIGH);
break;
}
}
}
/*
version() returns the version of the library:
*/
int Stepper::version(void)
{
return 4;
}
/me 
jrine313692aol.com