#include <SoftwareSerial.h>
SoftwareSerial mySerial(0, 1); // RX, TX

const char node = '2'; // network address
const int onboard_led9 = 5; // Atmega328P LED pin

int incomingByte;

void setup() {
  mySerial.begin(9600);
  delay(100);
  pinMode(onboard_led9, OUTPUT);
  pinMode(1, INPUT);

}
void loop() {

  if (mySerial.available() > 0) {
    digitalWrite(onboard_led9, HIGH);
    delay(200);
    digitalWrite(onboard_led9, LOW);
    delay(200);
    incomingByte = mySerial.read();
    if (incomingByte == node) {
      digitalWrite(onboard_led9, HIGH);    
      pinMode(1, OUTPUT);
      mySerial.print("node "); 
      mySerial.println(node); 
      pinMode(1, INPUT);
      delay(200);
      digitalWrite(onboard_led9, LOW);
    }
  }
}