#include <SoftwareSerial.h>

SoftwareSerial mySerial(3, 8);

const int buttonPin = 7;
const int ledPin =  2;

// variables will change:
int buttonState = 0;

void setup() {
  mySerial.begin(9600);
  mySerial.println("Hello, world");
  
  // initialize the LED pin as an output:
  pinMode(ledPin, OUTPUT);
  // initialize the pushbutton pin as an input:
  pinMode(buttonPin, INPUT);
    //Set the pull up resistor
  digitalWrite(buttonPin, HIGH);
}

void loop() {
  buttonState = digitalRead(buttonPin);
  
  if (buttonState == HIGH) {
    digitalWrite(ledPin, LOW);
  }
  else {
    digitalWrite(ledPin, HIGH);
  }
  mySerial.write("Hello from the loop");
}