/* Misura la temperatura con sensore DS18B20
   collegato al piedino A0 --> 14
*/

#include <OneWire.h>
#include <DallasTemperature.h>
#define ONE_WIRE_BUS 14
OneWire ourWire(ONE_WIRE_BUS);
DallasTemperature sensors(&ourWire);
DeviceAddress Sump;
float celsius = 0;  // temperature variables
float millivolts;  //dichiarazione di variabile tensione (float è per i numeri con la virgola)

void setup() 
{
delay(1000);
Serial.begin(9600);
delay(1000);

pinMode(13, OUTPUT);

sensors.begin();
(!sensors.getAddress(Sump,0));
sensors.setResolution(Sump,12);  // 12 bit
}

void loop() 
{
//Serial.println();
sensors.requestTemperatures();
celsius= sensors.getTempCByIndex(0);
Serial.println(celsius);
delay(1000);

if (celsius<25)  { 
digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
}
else {
digitalWrite(13, LOW);    // turn the LED off by making the voltage LOW
}

}