#define pin2 10
#define pin1 7
#define enable 9

void setup() {
      pinMode(pin1, OUTPUT); 
      pinMode(pin2, OUTPUT); 
      pinMode(enable, OUTPUT); 
      delay(1000);
 }
void loop() {
      //Make motor turn in one direction with a speed of 500 
      digitalWrite(pin1,1); 
      digitalWrite(pin2,0); 
      analogWrite(enable,500); 
      
      delay(1000);

      //Make the DC Motor stop
      digitalWrite(pin1,0); 
      digitalWrite(pin2,0); 
      analogWrite(enable, 0);  
      delay(1000);

      //Reverse the direction of rotation and make the motor go slower
      digitalWrite(pin1,0); 
      digitalWrite(pin2,1); 
      analogWrite(enable, 50);
      delay(1000); 
  
}