#include <OneWire.h>
#include <DallasTemperature.h>

//#define DS18B20 21
//OneWire oneWire(DS18B20);

OneWire oneWire(2);
DallasTemperature Sensor(&oneWire);

float valorTemperatura;
float valorAnterior;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Sensor de Temperatura");
  Serial.print("Lendo temperatura");
  delay(250);
  Serial.print(".");
  delay(250);
  Serial.print(".");
  delay(250);
  Serial.println(".");
  
  Sensor.begin();

  pinMode(8, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(13, OUTPUT);

  delay(10);
}

void loop() {
  Sensor.requestTemperatures();

  valorTemperatura = Sensor.getTempCByIndex(0);

  if(valorTemperatura != valorAnterior)
  {
    valorAnterior = valorTemperatura;
    Serial.print("Temperatura: ");
    Serial.println(valorTemperatura);
    if(valorTemperatura <30)
    {
      digitalWrite(8, HIGH);
      digitalWrite(11, LOW);
      digitalWrite(13, LOW);
    }
    if(valorTemperatura > 30 && valorTemperatura < 60)
    {
      digitalWrite(8, LOW);
      digitalWrite(11, HIGH);
      digitalWrite(13, LOW);
    }
    else if(valorTemperatura > 60)
    {
      digitalWrite(8, LOW);
      digitalWrite(11, LOW);
      digitalWrite(13, HIGH);
    }
  }

  delay(1000); // this speeds up the simulation
}