char incoming data=0;
int led=2;
void setup()
{
    serial.begin(9600);
    PinMode(LED,OUTPUT);
}
voiod loop()
{
    if(serial.available()>0)
    {
        incoming data=serial.read();
        serial.println(incoming data);
        {
            if(incoming data=='1');
            digital Write(LED,HIGH);
            serial println("LED ON");
        }
    }
  else if(incoming data=='0') 
  {
    digital Write(LED,LOW);
    seial.print("LED OFF");
  } )
}
}
}