int led1 = 21;
int led2= 22;
int led3 = 23;
int led4 = 17;
int led5 = 16;

int pot = 32;
int val;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(pot,INPUT);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
  analogReadResolution(10);  //para llegar a 1023 (max. de Arduino)
}

void loop() {
  // put your main code here, to run repeatedly:
  val = analogRead(pot);
  if(val<204.6){
    digitalWrite(led1, HIGH);
  }
  if(val>=204.6 && val <409.2){
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
  }
  if(val>=409.2 && val <613.8){
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
    digitalWrite(led3, HIGH);
  }
  if(val>=613.8 && val <818.4){
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
    digitalWrite(led3, HIGH);
    digitalWrite(led4, HIGH);
  }
  if(val>=818.4 && val <= 1023){
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
    digitalWrite(led3, HIGH);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, HIGH);
  }

  Serial.println(val);

  delay(10);
}