// Include the Arduino Stepper Library
#include <Stepper.h>

// Number of steps per output rotation
const int stepsPerRevolution = 200;

// make this 1 if you dont have a gear reduction
int gearReduction = 1;

// Current position of the motor
int currentPos = 0;

// number of stepps per layer
int steppsPerLayer = 5;

//Button Pins
  // the number of the Button pin
  const int buttonPin = 2;

  // the pin for the button that moves the motors back to zero
  const int resetPin = 7;

  // the pin for the button that sets the current position as zero
  const int zeroPin = 8;

// Create Instance of Stepper library
Stepper myStepper(stepsPerRevolution, 3, 4, 5, 6);


void setup()
{
	// set the speed at 60 rpm:
	myStepper.setSpeed(60);

  // initialize the button pin as an input:
  pinMode(buttonPin, INPUT);

	// initialize the serial port:
	Serial.begin(9600);
}

void loop() 
{

  // check if the pushbutton is pressed. If it is, the buttonState is HIGH:
  if (digitalRead(buttonPin) == HIGH) {
   moveToPos(currentPos + steppsPerLayer); 
   delay(1000);
  }

  if (digitalRead(resetPin) == HIGH) {
   moveToPos(0); 
  }

  if (digitalRead(zeroPin) == HIGH) {
   currentPos = 0;
  }
delay(100);

}

void moveToPos(float targetPos){

  //calculate how far to move the motor
  int stepsToMove = (targetPos - currentPos) * gearReduction;

  //move the motor
	myStepper.step(stepsToMove);

  //set current position
  currentPos = targetPos;
}