#include <OneWire.h>
#include <DallasTemperature.h>
#define ONE_WIRE_BUS 2

OneWire ourWire(ONE_WIRE_BUS);
DallasTemperature sensors(&ourWire);

void setup(){
  // put your setup code here, to run once:
  Serial.begin(9600);
  sensors.begin();
  pinMode(A3, OUTPUT);  //LED:Red
  pinMode(A4, OUTPUT);  //LED:Green
  pinMode(A5, OUTPUT);  //LED:Blue
}

void loop(){
  // put your main code here, to run repeatedly:
  sensors.requestTemperatures();

  Serial.print("C=");
  Serial.print(sensors.getTempCByIndex(0));

  Serial.print(" F=");
  Serial.print((sensors.getTempCByIndex(0))*1.8+32);
  Serial.print("\n");
  if((sensors.getTempCByIndex(0)) < 0){
    digitalWrite(A3, LOW);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, LOW);
  }else if((sensors.getTempCByIndex(0)) >= 100){
    digitalWrite(A3, HIGH);
    digitalWrite(A4, LOW);
    digitalWrite(A5, LOW);
  }else{
    digitalWrite(A3, LOW);
    digitalWrite(A4, LOW);
    digitalWrite(A5, HIGH);
  }
  delay(500);
}