WIN+1

gistfile1.txt

#define OSX 0
#define WINDOWS 1
#define UBUNTU 2

#include "Keyboard.h"

int platform = OSX;

void setup() {

  pinMode(2, INPUT_PULLUP);
  Keyboard.begin();
  delay(3000);
  Keyboard.press(KEY_LEFT_GUI);
  delay(100);
  Keyboard.press('1');
  delay(100);
  Keyboard.releaseAll();
}

void loop() {
}