const int stepPin = D2; 
const int dirPin = D1; 
 
void setup() {
  pinMode(stepPin,OUTPUT); 
  pinMode(dirPin,OUTPUT);
}
void loop() {
  digitalWrite(dirPin,HIGH); // SETS THE MOTOR CLOCK-WISE DIRECTION
  for(int x = 0; x < 200; x++) {  // GENERATING 200 PULSES FROM THE CONTROLLER FOR COMPLETE CYCLE
    digitalWrite(stepPin,HIGH); 
    delayMicroseconds(500); 
    digitalWrite(stepPin,LOW); 
    delayMicroseconds(500); 
  }
  delay(1000); 
  
  digitalWrite(dirPin,LOW); // SETS ANTI-CLOCKWISE DIRECTION
  for(int x = 0; x < 200; x++) {  // GENERATING 200 PULSES FROM THE CONTROLLER FOR COMPLETE CYCLE
    digitalWrite(stepPin,HIGH);
    delayMicroseconds(500);
    digitalWrite(stepPin,LOW);
    delayMicroseconds(500);
  }
  delay(1000);
}