const int DIR = 12; 
const int STEP = 13;
const int rev = 200;

void setup() {
  Serial.begin(9600);
  pinMode(25,OUTPUT);
  pinMode(26, INPUT);
  pinMode(DIR, OUTPUT);
  pinMode(STEP, OUTPUT);

}


void loop() {
  digitalWrite(DIR, HIGH);
  for(int i =0;i<rev;i++)
  {
    digitalWrite(STEP, HIGH);
    delay(500);
    digitalWrite(STEP,LOW);
    delay(500);
  }
  delay(1000);
  digitalWrite(DIR, LOW);
  for(int i=0;i<rev;i++)
  {
    digitalWrite(STEP, HIGH);
    delay(1000);
    digitalWrite(STEP, LOW);
    delay(1000);
  }
  delay(1000);

// int zenzorvalue = analogRead(26);
 //Serial.println(zenzorvalue);
 //analogWrite(25, zenzorvalue);
 //delay(100);
}