int zled=6;
int rled=5;
int mled=4;


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(zled, OUTPUT);
  pinMode(rled, OUTPUT);
  pinMode(mled, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  int pot=analogRead(A0);
  pot=map(pot,0,1023,1,3);
  Serial.println(pot);
  delay(200);
  digitalWrite(zled,LOW);
  digitalWrite(rled,LOW);
  digitalWrite(mled,LOW);

  /*if(pot<=3){
    digitalWrite(zled, HIGH);
  }

  if(pot>3 && pot<=6){
    digitalWrite(rled, HIGH);
  }

  if(pot>6 ){
    digitalWrite(mled, HIGH);
  }*/
  switch(pot){
    case 1:{
      digitalWrite(zled, HIGH);
      break;
    }
        case 2:{
      digitalWrite(rled, HIGH);
      break;
    }
        case 3:{
      digitalWrite(mled, HIGH);
      break;
    }
    
  }
}