#include <OneWire.h>
#include "SoftwareSerial.h"
SoftwareSerial bluetooth(0, 1); //TX, RX (Bluetooth)
OneWire ds(2);
byte adrT1[8] = {0x28, 0xFF, 0xB1, 0xF8, 0x01, 0x15, 0x03, 0xFD};
float celsius = 2;

void setup() {
  ds.reset_search();
  bluetooth.begin(9600);
  //Serial.begin(9600);
}

void loop() {
  letemp();
  bluetooth.println(celsius);
  delay(500);
}

void letemp () {
  byte i;
  byte present = 0;
  byte data[12];
  char cc1[20];

  ds.reset();
  ds.select(adrT1);
  ds.write(0x44, 1);         // start conversion, with parasite power on at the end
  delay(1000);     // maybe 750ms is enough, maybe not

  ds.reset();
  ds.select(adrT1);
  ds.write(0xBE);         // Read Scratchpad

  for (i = 0; i < 9; i++) data[i] = ds.read();
  celsius = ((data[1] << 8) + data[0]) * 0.0625;
  //Serial.println(celsius);
}