void setup() {
  // put your setup code here, to run once:
  pinMode(13,OUTPUT);
  pinMode(12,OUTPUT);
  pinMode(11,OUTPUT);
  pinMode(10,OUTPUT);
  pinMode(9,OUTPUT);

  Serial.begin(9600);


}

void loop() {
  // put your main code here, to run repeatedly:
  int potentiometervalue = analogRead(A0);
  Serial.println(potentiometervalue);


    digitalWrite(9, LOW);
    digitalWrite(10, LOW);
    digitalWrite(11, LOW);
    digitalWrite(12, LOW);
    digitalWrite(13, LOW);

  if (potentiometervalue ==50) {
    digitalWrite(9, HIGH);
  }  else if( potentiometervalue==200){
    digitalWrite(9, HIGH);
    digitalWrite(10, HIGH);
    }   else if (potentiometervalue== 400){
      digitalWrite(9, HIGH);
      digitalWrite(10, HIGH);
      digitalWrite(11, HIGH);
      }    else if ( potentiometervalue==800){
       digitalWrite(9, HIGH);
       digitalWrite(10, HIGH);
       digitalWrite(11, HIGH);
       digitalWrite(12, HIGH);
        
      }       else {
           digitalWrite(9, HIGH);
           digitalWrite(10, HIGH);
           digitalWrite(11, HIGH);
           digitalWrite(12, HIGH);
           digitalWrite(13, HIGH);
           
      }
  delay(1000);
}