#include <OneWire.h>
#include <DallasTemperature.h>
#define ONE_WIRE_BUS A0

OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensor(&oneWire);

void setup() {
  Serial.begin(9600);
  sensor.begin();
}

void loop() {
  sensor.requestTemperatures();
  float temp = sensor.getTempCByIndex(0);
  Serial.print("TEMPERATURE = ");
  Serial.print(temp);
  Serial.print("*C");
  Serial.println();
  delay(1000);
}