//Milano 0.1

int buttonPin = 4;
int ledPin = 9;
int fanPin = 10;
boolean lastButton = LOW;
boolean currentButton = LOW;
int ledpwmLevel = 0;
boolean fanOn = false;

void setup()
{
  pinMode(buttonPin, INPUT);
  pinMode(ledPin, OUTPUT);
  pinMode(fanPin, OUTPUT);
  Serial.begin(9600);
}

boolean lastButtonSample;
long lastButtonTime;
boolean debounceButton(boolean debounced)
{
  boolean buttonSample = digitalRead(buttonPin);
  if (lastButtonSample != buttonSample)
  {
    lastButtonTime = millis();
  }
  lastButtonSample = buttonSample;
  
  if (millis() - lastButtonTime > 10)
    debounced = buttonSample;
  }  
  return debounced;
}

void loop()
{
  currentButton = debounce(lastButton);
  if (lastButton == LOW && currentButton == HIGH)
  {
    fanOn = true;
    analogWrite(fanPin, 255);
    ledpwmLevel = ledpwmLevel + 85;
    Serial.println("BUTTON");

    if (ledpwmLevel > 255)
    {
      ledpwmLevel = 0;
      lastLEDTime = millis();
    }
    analogWrite(ledPin, ledpwmLevel);
  }
  
  if (fanOn && millis() - lastLEDTime > 2000)
  {
    fanOn = false;
    analogWrite(fanPin, 0);
  }
  lastButton = currentButton;
}