/**
 * Made with Duckuino, an open-source project.
 * Check the license at 'https://github.com/Nurrl/Duckuino/blob/master/LICENSE'
 */

#include "Keyboard.h"

void typeKey(uint8_t key)
{
  Keyboard.press(key);
  delay(50);
  Keyboard.release(key);
}

/* Init function */
void setup()
{
  // Begining the Keyboard stream
  Keyboard.begin();

  // Wait 500ms
  delay(500);

  delay(3000);
  Keyboard.press(KEY_LEFT_GUI);
  Keyboard.press("r");
  Keyboard.releaseAll();

  delay(500);
  Keyboard.print(F("notepad"));

  delay(500);
  typeKey(KEY_RETURN);

  delay(750);
  Keyboard.print(F("Hello World!!!"));

  typeKey(KEY_RETURN);

  // Ending stream
  Keyboard.end();
}

/* Unused endless loop */
void loop() {}

KEY_ENTER

KEY_RETURN

notepad.exe

notepad

#define ENTER 0xd

Arduino: 1.8.5 (Windows 7), Плата:"Arduino Leonardo"

C:\Users\host\Downloads\sketch_may19a\sketch_may19a.ino: In function 'void setup()':

C:\Users\host\Downloads\sketch_may19a\sketch_may19a.ino:26:21: warning: invalid conversion from 'const char*' to 'uint8_t {aka unsigned char}' [-fpermissive]

   Keyboard.press("r");

                     ^

In file included from C:\Users\host\Downloads\sketch_may19a\sketch_may19a.ino:6:0:

C:\Program Files (x86)\Arduino\libraries\Keyboard\src/Keyboard.h:92:10: note: initializing argument 1 of 'size_t Keyboard_::press(uint8_t)'

   size_t press(uint8_t k);

          ^

sketch_may19a:38: error: 'KEY_ENTER' was not declared in this scope

   typeKey(KEY_ENTER);

           ^

exit status 1
'KEY_ENTER' was not declared in this scope