ja andei a fazer testes e nao consigo chegar la de maneira nenhuma mesmo. 
da sempre erros no IDE
é possivel deitares a mao directamente no codigo 
#include <OneWire.h>
#include <DallasTemperature.h>
#include <LiquidCrystal.h>
LiquidCrystal lcd(8, 9, 4, 5, 6, 7);
int tempAlarmPin = 22; //Buzzer ligado no PIN 22
#define ONE_WIRE_BUS 28 //Sensores ligados no PIN 28
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
//Endereços sensores
DeviceAddress insideThermometer = { 0x28, 0x0C, 0x0D, 0xB0, 0x04, 0x00, 0x00, 0x80 };
DeviceAddress outsideThermometer = { 0x28, 0x49, 0x04, 0xB1, 0x04, 0x00, 0x00, 0x62 };
void setup(void)
{
// Start up the library
sensors.begin();
// set the resolution to 10 bit (good enough?)
sensors.setResolution(insideThermometer, 10);
sensors.setResolution(outsideThermometer, 10);
pinMode(tempAlarmPin, OUTPUT); //Buzzer
lcd.begin(16,2); // columns, rows. use 16,2 for a 16x2 LCD, etc.
lcd.clear(); // start with a blank screen
}
void printTemperature(DeviceAddress deviceAddress)
{
float tempC = sensors.getTempC(deviceAddress);
if (tempC == -127.00) {
lcd.print("Error");
} else {
lcd.print(tempC);
lcd.print("C");
}
}
void alarm(DeviceAddress deviceAddress){
float tempA = sensors.getTempC(deviceAddress);
if ( (tempA) >= 25) //Temp superior a 23 Graus
{
digitalWrite(tempAlarmPin, HIGH);
delay(500);
digitalWrite(tempAlarmPin, LOW);
}
else if ( (tempA) <= 20) //Temp inferior a 20 graus
{
digitalWrite(tempAlarmPin, HIGH);
delay(500);
digitalWrite(tempAlarmPin, LOW);
}
}
void loop(void)
{
delay(2000);
sensors.requestTemperatures();
lcd.setCursor(0,0);
lcd.print("AGUA: ");
printTemperature(insideThermometer);
alarm(insideThermometer);
lcd.setCursor(0,1);
lcd.print("FORA: ");
printTemperature(outsideThermometer);
}