/*********
  Rui Santos
  Complete project details at https://randomnerdtutorials.com  
  Based on the Dallas Temperature Library example
*********/

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

// Data wire is conntec to the Arduino digital pin 4
#define ONE_WIRE_BUS 4

int Led1 = 10;
 int Led2 = 11;
 int Led3 = 12; 

// Setup a oneWire instance to communicate with any OneWire devices
OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature sensor 
DallasTemperature sensors(&oneWire);

void setup(void)
{
  // Start serial communication for debugging purposes
  Serial.begin(9600);
  // Start up the library
  sensors.begin();
}

void loop(void){ 
  float Temperatura = 0;
  // Call sensors.requestTemperatures() to issue a global temperature and Requests to all devices on the bus
  sensors.requestTemperatures(); 
  Temperatura = sensors.getTempCByIndex(0);

  Serial.print("Celsius temperature: ");
  // Why "byIndex"? You can have more than one IC on the same bus. 0 refers to the first IC on the wire
  Serial.print(sensors.getTempCByIndex(0)); 
  Serial.print(" - Fahrenheit temperature: ");
  Serial.println(sensors.getTempFByIndex(0));
  delay(1000);

if(Temperatura < 20.00) 
  {
    digitalWrite( Led1, HIGH);
    digitalWrite( Led2, LOW);
    digitalWrite( Led3, LOW);
  }  
  if(Temperatura >= 25.0) 
  {
    digitalWrite( Led1, LOW);
    digitalWrite( Led2, LOW);
    digitalWrite( Led3,HIGH);
  }


if((Temperatura < 20.00) && (Temperatura > 25.00)) 
  {
    digitalWrite( Led1, LOW);
    digitalWrite( Led2, HIGH);
    digitalWrite( Led3, LOW);
  }
  }