#define potenciometro 35
#define led15 15
#define led16 16
#define led17 17
#define led18 18
#define led19 19
#define led21 21
#define led22 22
#define led23 23
#define led25 25

int valor_lido;


void setup()
{
  Serial.begin(9600);
  pinMode(potenciometro, INPUT);
  pinMode(led15, OUTPUT);
  pinMode(led16, OUTPUT);
  pinMode(led17, OUTPUT);
  pinMode(led18, OUTPUT);
  pinMode(led19, OUTPUT);
  pinMode(led21, OUTPUT);
  pinMode(led22, OUTPUT);
  pinMode(led23, OUTPUT);
  pinMode(led25, OUTPUT);
}

void loop()
{
  if (analogRead(potenciometro) == 0)
    digitalWrite(led23, LOW);
   else
   digitalWrite(led23, HIGH);
  
  analogRead(potenciometro) < 500 ? 
    digitalWrite(led22, LOW) :
  	digitalWrite(led22, HIGH);
  
  analogRead(potenciometro) < 1000 ?
    digitalWrite(led21, LOW):
    digitalWrite(led21, HIGH);

  analogRead(potenciometro) < 1500 ?
    digitalWrite(led19, LOW):
    digitalWrite(led19, HIGH);
  
  analogRead(potenciometro) < 2000 ?
    digitalWrite(led18, LOW):
    digitalWrite(led18, HIGH);
  
  analogRead(potenciometro) < 2500 ?
    digitalWrite(led17, LOW):
    digitalWrite(led17, HIGH);
  
  analogRead(potenciometro) < 3000 ?
    digitalWrite(led16, LOW):
    digitalWrite(led16, HIGH);
  
  analogRead(potenciometro) < 3500 ?
    digitalWrite(led15, LOW):
    digitalWrite(led15, HIGH);
  
  if (analogRead(potenciometro) < 4000){
    digitalWrite(led25, LOW);
  } else{
   digitalWrite(led25, HIGH);
  }
  
  delay(10);
  Serial.println(analogRead(potenciometro));
 }