#define pin 13
int data=5;
char alpha='A';


void setup() 
{
   Serial.begin(9600);
   Serial.print("Hello\n");

   //for led light
   pinMode(pin, OUTPUT);
   digitalWrite(pin, LOW);
   delay(1000);
}

void loop() 
{
   Serial.println("Data:");
   Serial.write(data);
   Serial.println();
   Serial.println(alpha);
   Serial.write("pin");
   Serial.write(pin);
   Serial.println();


   //for led light
   
   digitalWrite(pin, LOW);
   delay(1000);
   digitalWrite(pin, HIGH);
   delay(2000);
}