#include <SoftwareSerial.h>
SoftwareSerial mySerial(1, 2);

#include <OneWire.h>
#include <DallasTemperature.h>
#define ONE_WIRE_BUS 0
OneWire oneWire(ONE_WIRE_BUS);

DallasTemperature sensors(&oneWire);

void setup(void)
{
  mySerial.begin(9600);
  sensors.begin();
}
void loop(void)
{
  sensors.requestTemperatures(); // Send the command to get temperature readings
  mySerial.print(sensors.getTempCByIndex(0));
  delay(500);
}