#include <SoftwareSerial.h>
#define rxPin D2     // recieves signal from bridge 
#define txPin D3     // transmit signal to the bridge

SoftwareSerial mySerial(D2, D3);

#define LED 0

const int node = 1; // network address
const int ledPin = 0; // the number of the LED pin
char incomingByte;
int user;
bool compare = false;

void setup() {
  pinMode(LED, OUTPUT);
  digitalWrite(LED, LOW);
  Serial.begin(9600);
  while (!Serial){}
  mySerial.begin(9600);
}

void loop() {

  if (Serial.available()) {
    incomingByte = Serial.read();
    user = incomingByte - '0';

    mySerial.write(user);


    compare = true;
  }
  if (mySerial.available() > 0) {
    int c = mySerial.read();

    if (c == 2)
    {
      Serial.print("Node ");
      Serial.println(c);
    }

  }

  if (compare == true) {

    if (user == node) {
      
      digitalWrite(LED, HIGH);
      delay(400);
    

      Serial.print("Node ");
      Serial.println(node);
      delay(200);
      digitalWrite(LED, LOW);
      compare = false;

    }
  }
}