#include<HardwareSerial.h>
HardwareSerial SerialPort(2);
const int LED = 2;
void setup()
{
  SerialPort.begin(15200,SERIAL_8N1,16,17);
  pinMode(LED,OUTPUT);
}
void loop()
{
  SerialPort.print(1);
   digitalWrite(LED, HIGH);
  delay(5000);
  SerialPort.print(0);
   digitalWrite(LED,LOW);
  delay(5000);

}