Weather Machine

char data = 0;               

void setup() 
{
  Serial.begin(9600);         
  pinMode(13, OUTPUT);        
  pinMode(12, OUTPUT); 
  pinMode(2, OUTPUT);
  digitalWrite(12, HIGH);
  digitalWrite(13, HIGH);
  
  digitalWrite(2, HIGH);   
  delay(1000);                      
  digitalWrite(2, LOW);   
  delay(1000);         
 digitalWrite(2, HIGH);   
  delay(1000);                       
  digitalWrite(2, LOW);    
  delay(1000);         
}
void loop()


{

  
  if(Serial.available() > 0)  
  {
    //digitalWrite(2, HIGH); 
   
    data = Serial.read();     
    Serial.print(data);       
    Serial.print("\n");        
    if(data == '3')             
      digitalWrite(13, LOW);  
    else if(data == '2')       
      digitalWrite(13, HIGH);   
    if(data == '1') 
      digitalWrite(12, LOW);
    else if(data == '0')
     digitalWrite(12, HIGH);
  }                            
  digitalWrite(2, HIGH);   
  delay(50);                       
  digitalWrite(2, LOW);    
  delay(50);           
}