#include "Keyboard.h"

const int buttonPin = 11;         // input pin for pushbutton
const int ledPin =  1;            // the number of the LED pin
int previousButtonState = HIGH;   // for checking the state of a pushButton

void setup() {
  // make the pushButton pin an input:
  pinMode(buttonPin, INPUT);
  // initialize the LED pin as an output:
  pinMode(ledPin, OUTPUT);
  // initialize control over the keyboard:218
  Keyboard.begin();
}

void loop() {
  // read the pushbutton:
  int buttonState = digitalRead(buttonPin);
  // if the button state has changed,
  if ((buttonState != previousButtonState)
      // and it's currently pressed:
      && (buttonState == HIGH)) {
     // type out a message
  digitalWrite(ledPin, LOW);
  delay(1000);
  digitalWrite(ledPin, HIGH);
 
    Keyboard.print(218);
  }
  // save the current button state for comparison next time:
  previousButtonState = buttonState;
  }