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

const int buttonPin = 3;     // the number of the pushbutton pin
const int ledPin =  7;      // the number of the LED pin

int buttonState = 0;         // variable for reading the pushbutton status


void setup() {

 mySerial.begin(115200);   //Start serial communication @9600 bps
 mySerial.println("Hello");

  // initialize the LED pin as an output:
  pinMode(ledPin, OUTPUT);
  // initialize the pushbutton pin as an input:
  pinMode(buttonPin, INPUT);
}

void loop() {
  // read the state of the pushbutton value:
  buttonState = digitalRead(buttonPin);

  // check if the pushbutton is pressed. If it is, the buttonState is HIGH:
  if (buttonState == LOW ) {
    // turn LED on:
    digitalWrite(ledPin, HIGH);
         mySerial.write(1);

 mySerial.println("on");

  } else {
    // turn LED off:
    digitalWrite(ledPin, LOW);
         mySerial.write(2);
 mySerial.println("off");

  }
}