// Base of the code can be found from http://fab.academany.org/2018/labs/fablaboulu/students/jari-uusitalo/week15.html
// node 1, UNO

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

const char node = '1'; 
const int ledPin = 13; 

int incomingByte;

void setup() {
  mySerial.begin(9600);
  pinMode(ledPin, OUTPUT);
  pinMode(1, INPUT);
}

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