// Base of the code can be found from http://fab.academany.org/2018/labs/fablaboulu/students/jari-uusitalo/week15.html
// node 2, week6

#include <SoftwareSerial.h>
SoftwareSerial mySerial(3,2); // RX, TX

const char node = '2';
const int ledPin = 1;

int incomingByte;

void setup() {
  mySerial.begin(9600);
  pinMode(ledPin, OUTPUT);
  pinMode(2, INPUT); // TX
}

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(2, OUTPUT);
    mySerial.print("node ");
    mySerial.println(node);
    pinMode(2,INPUT);
    delay(200);
    digitalWrite(ledPin, LOW); 
   }
  }
}