gelatiera con arduino

#include <AFMotor.h>
#include <Servo.h>

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


AF_DCMotor motor1(1);
//AF_DCMotor motor(1, MOTOR12_64KHZ);
Servo servo1;
const int buzzerPin = 9;  //servo2

#define ONE_WIRE_BUS 10  //servo1

const int currentPin = A0;  //ACS712

// Setup a oneWire instance to communicate with any OneWire devices
OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature sensor
DallasTemperature sensors(&oneWire);


// Adafruit Motor Board https://cdn-learn.adafruit.com/downloads/pdf/adafruit-motor-shield.pdf
// China Clone: http://makeitanywhere.org/nyc/index.php?option=com_content&view=article&id=6&Itemid=132#!DK_Motorshield_V1_Top_B

bool stopped = false;

float threshold = 300;


void setup()
{
  Serial.begin(9600);
    pinMode(buzzerPin, OUTPUT);
    pinMode(ONE_WIRE_BUS, INPUT);
    Serial.println("Loading temperature");
    sensors.begin();

}

void loop()
{
    sensors.requestTemperatures();
    float mytemp = sensors.getTempCByIndex(0);
    Serial.println(mytemp);
    int myspeed = 200;
    long myduration = 1000;
    long mywait = 0;
    if (mytemp > 10) { //mescolamento continuo lento
      myspeed = 100;
      myduration = 30000;
      mywait = 1000;
     }
    if (mytemp < 10 && mytemp > 5 ) { //velocizziamo la perdita di calore
      myspeed = 230;
      myduration = 10000;
      mywait = 10000;
    }
    if (mytemp < 5 && mytemp > 3 ) { //mantecatura
      myspeed = 170;
      myduration = 20000;
      mywait = 5000;
    }
    if (mytemp < 3) {  //congelamento
      myspeed = 200;
      myduration = 10000;
      mywait = 30000;
    }

    motor1.run(RELEASE);
    motor1.setSpeed(myspeed);
    if (stopped == false){
      motor1.run(FORWARD);
      stopped = delayMotor(myduration);
    } else {
      innoallagioia();
    }
    motor1.run(RELEASE);
    delay(mywait);

}

bool delayMotor(long duration)
{
  int window = 100;
  for(int n = 0; n < duration; n=n+window) {
  float average = 0;
  for(int i = 0; i < window; i++) {
    average = average + (0.0264 * analogRead(currentPin) -13.51);
    delay(1);
  }
  average = (average/window)*1000; //milliampere
  Serial.println(average);
  if (average > threshold) return true;
  }
  return false;
}

void innoallagioia()
{
  // create variables for notes
int c6 = 1047;
int d6 = 1157;
int e6 = 1319;
int f6 = 1397;
int g6 = 1568;
int a6 = 1760;
int b6 = 1976;
int c7 = 2093;

// create variables for note durations
int whole = 2000; //whole note
int half = whole/2; //half note
int quarter = whole/4; //quarter note
int eighth = whole/8; //eighth
int sixteenth = whole/16; //sixteenth

// create a variable for a gap between notes
int gap = 20;
tone(buzzerPin, e6, quarter);
  delay(quarter+gap);
  tone(buzzerPin, e6, quarter);
  delay(quarter+gap);
  tone(buzzerPin, f6, quarter);
  delay(quarter+gap);
  tone(buzzerPin, g6, quarter);
  delay(quarter+gap);

  tone(buzzerPin, g6, quarter);
  delay(quarter+gap);
  tone(buzzerPin, f6, quarter);
  delay(quarter+gap);
  tone(buzzerPin, e6, quarter);
  delay(quarter+gap);
  tone(buzzerPin, d6, quarter);
  delay(quarter+gap);

  tone(buzzerPin, c6, quarter);
  delay(quarter+gap);
  tone(buzzerPin, c6, quarter);
  delay(quarter+gap);
  tone(buzzerPin, d6, quarter);
  delay(quarter+gap);
  tone(buzzerPin, e6, quarter);
  delay(quarter+gap);

  tone(buzzerPin, e6, quarter);
  delay(quarter+gap);
  tone(buzzerPin, d6, quarter);
  delay(quarter+gap);
  tone(buzzerPin, d6, half);
  delay(half+gap);
}