Simple Texting (BTH).ino

#include <LiquidCrystal.h>

char str[34],L=2;
int temp=0,i=0;
int Pass=0,p=0;
 int c,x,d;
 int blue = 13;
LiquidCrystal lcd(11, 10, 6, 5, 4, 3);

//INSTRUCTIONS;

//Use a bluetooth arduino app to transfer text to the board using the module;

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

 pinMode(blue, OUTPUT);
 
  pinMode(A1,OUTPUT);
  pinMode(A0,OUTPUT);
   pinMode(4,OUTPUT);
   
  digitalWrite(A1,LOW); 
  digitalWrite(A0,LOW); 
   digitalWrite(4,LOW); 
   
  lcd.begin(16, 2);
  
 
} 


void loop() 
{ 
  digitalWrite(blue, HIGH);
  
  if(temp==1)
  {
    check();
     temp=0;
    i=0;
    delay(1000);
  }
  
}

void serialEvent() 
 {
      while (Serial.available()) 
      {
      char inChar=Serial.read();
      str[i++]=inChar;
      delay(10);
      }
       for (p=i+1;p<34;p++)
      {
        str[i++]=32;
      }
    temp=1;
  Serial.write(str);
  lcd.setCursor(0, 0);
 lcd.print(str);
  if(i>16)
  {
    d=16;
    for (x=0;x<=17;x++)
    {
    lcd.setCursor(x,2);
    lcd.print(str[d]);
    d++;
    }
  }
 }

void check()
{
if(!(strncmp(str,"1",1)))
  {
   digitalWrite(A1,50); 
   lcd.clear(); 
  }
  else if(!(strncmp(str,"2",1)))
  {
   digitalWrite(A1,LOW);
   lcd.clear(); 
  }
}