Read temperature

temp3.ino

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

#define ONE_WIRE_BUS 2  // DS18B20 pin
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature DS18B20(&oneWire);

void setup() {
  Serial.begin(115200);
  Serial.println("Hello World");
}

void loop() {
  int temp;
  do {
    DS18B20.requestTemperatures(); 
    temp = DS18B20.getTempCByIndex(0);
    Serial.print("Temperature: ");
    Serial.println(temp);
    delay(100);
  } while ((temp != 85.0 || temp == (-127.0)));
}