#define port 13
#define led1 16
#define led2 17
#define led3 5
#define led4 18
#define led5 19

void setup() {
  Serial.begin(115200);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
}

void loop() {
  int degree = map(analogRead(port), 0 , 4095, 0, 5);
  Serial.println(degree);

  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  digitalWrite(led3, LOW);
  digitalWrite(led4, LOW);
  digitalWrite(led5, LOW);

  switch (degree) {
    case 1: 
      digitalWrite(led1, HIGH);
      break;
    case 2:
      digitalWrite(led2, HIGH);
      break;
    case 3:
      digitalWrite(led3, HIGH);
      break;
    case 4:
      digitalWrite(led4, HIGH);
      break;
    case 5:
      digitalWrite(led5, HIGH);
      break;
  }
  
}