// Init
  int xyzPins[] = {13, 12, 14};   //x,y,z pins
  int servoPin = 15; // Servo motor pin

  int posVal = 90;    // variable to store the servo position
  int posTemp = 90;
  int DZMin = 2000;
  int DZMax = 2100;
  int Dif = 0;
  int DLY = 20;
  int CValue = 0;         
  byte btn_prev;
  int StepNum = 1;
  int StepDelay = 1;

// Define
  #define buttonPin 2
  #define LEDPin 3
  #define STEP 8
  #define POT 4

void OneStep(void){
  digitalWrite(STEP, HIGH);
  digitalWrite(STEP, LOW);
  }

void MultiStep(void){
      for(int i = 0; i < StepNum; i += 1){
      OneStep();
      delay(StepDelay);
      }
     } 

void setup() { // Start of Setup
  pinMode(buttonPin, INPUT_PULLUP);
    pinMode(buttonPin, INPUT);

  pinMode(LEDPin, OUTPUT);
 pinMode(STEP, OUTPUT);
  btn_prev = digitalRead(buttonPin);
  digitalWrite(LEDPin,LOW);
  Serial.begin( 9600);
  }

void loop() { // Start of the loop

  byte btn = digitalRead(buttonPin);
  if (btn == LOW && btn_prev == HIGH) {
    if (CValue == 0) {
      CValue = 1;
      digitalWrite(LEDPin, HIGH);
        MultiStep();
      Serial.print(CValue);
     }
    else {
      CValue = 0;
      digitalWrite(LEDPin, LOW);
        MultiStep();
     Serial.print(CValue);
      }
    }

  btn_prev = btn;
  delay(DLY);
  } // End of the loop