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keyboardBegin.adoc

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title
Keyboard.begin()

Keyboard.begin()

Description

When used with a Leonardo or Due board, Keyboard.begin() starts emulating a keyboard connected to a computer. To end control, use Keyboard.end().

Syntax

Keyboard.begin()
Keyboard.begin(layout)

Parameters

layout: the keyboard layout to use. This parameter is optional and defaults to KeyboardLayout_en_US.

Keyboard layouts

Currently, the library supports the following national keyboard layouts:

  • KeyboardLayout_da_DK: Denmark

  • KeyboardLayout_de_DE: Germany

  • KeyboardLayout_en_US: USA

  • KeyboardLayout_es_ES: Spain

  • KeyboardLayout_fr_FR: France

  • KeyboardLayout_hu_HU: Hungary

  • KeyboardLayout_it_IT: Italy

  • KeyboardLayout_pt_PT: Portugal

  • KeyboardLayout_sv_SE: Sweden

Returns

Nothing

Example Code

#include <Keyboard.h>

void setup() {
  // make pin 2 an input and turn on the
  // pullup resistor so it goes high unless
  // connected to ground:
  pinMode(2, INPUT_PULLUP);
  Keyboard.begin();
}

void loop() {
  //if the button is pressed
  if (digitalRead(2) == LOW) {
    //Send the message
    Keyboard.print("Hello!");
  }
}

Notes and Warnings

Custom layouts can be created by copying and modifying an existing layout. See the instructions in the Keyboard library’s KeyboardLayout.h file.