const int DIR = 6;
const int STEP = 7;
const int steps_per_rev = 200; // number of steps our motor requires to move one complete revolution.

void setup() {
  Serial.begin(115200);

  pinMode(STEP, OUTPUT); 
  pinMode(DIR, OUTPUT);   

}

void loop() {
      digitalWrite(DIR, HIGH); 
      Serial.println("Spinning Clockwise...");

      for(int i = 0; i < steps_per_rev; i++){
        digitalWrite(STEP, HIGH);
        delayMicroseconds(2000);
        digitalWrite(STEP, LOW);
        delayMicroseconds(2000);
      }
      delay(1000);


      digitalWrite(DIR, LOW);
      Serial.println("Spinning Anit-Clockwise...");

      for(int i = 0; i < steps_per_rev; i++){
        digitalWrite(STEP, HIGH);
        delayMicroseconds(1000);
        digitalWrite(STEP, LOW);
        delayMicroseconds(1000);
      }

      delay(1000);

}