#include <SoftwareSerial.h>  //Software Serial Port
#define DEBUG_ENABLED  1

SoftwareSerial blueToothSerial(1,2);
unsigned int state = 0;
 
void setup() 
{ 
  pinMode(1, INPUT);
  pinMode(2, OUTPUT);
  pinMode(0, OUTPUT);

 blueToothSerial.begin(9600); 
 delay(2000); 
 blueToothSerial.println("bluetooth connected!\n"); 
 
 delay(2000); // This delay is required.
 blueToothSerial.flush();
} 
 
void loop() 
{ 

    if(blueToothSerial.available() > 0){
    state = blueToothSerial.read();
    if(state == 1)
    {
      digitalWrite(0, HIGH);
      blueToothSerial.println("ON");
    }  
    else if(state ==0)
    {
       digitalWrite(0, LOW);
       blueToothSerial.println("OFF");
    } 
  }
}