 #include "OneWire.h"
 #include "DallasTemperature.h"
-#include "TimerOne.h"
 
 // Data wire is plugged into port 2 on the Arduino
-#define ONE_WIRE_BUS 7
+#define ONE_WIRE_BUS A0
 #define TEMPERATURE_PRECISION 12
 
 // Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)

  sensors.setResolution(pipeThermometer, TEMPERATURE_PRECISION);
  sensors.setResolution(boilThermometer, TEMPERATURE_PRECISION);
  
  Timer1.initialize(10000000); // set a timer of length 20000 microseconds (or 0.02 sec - or 50Hz => frequency of electricity in europe)
  Timer1.attachInterrupt( timerIsr ); // attach the service routine here

}

// function to print a device address

  Serial.println();
}

void loop(void){
  // call sensors.requestTemperatures() to issue a global temperature 
  // request to all devices on the bus
  Serial.print("Requesting temperatures...");
