Problème Sketch Arduino


Je rencontre une erreur de compilation lorsque j’essaye de vérifier ce sketch dans Arduino.
J’utilise Arduino 1.6.12
Teensyduino 1.31
Teensy 2.0 ++

/Users/Med/Documents/Arduino/EFI/EFI.ino:1:26: fatal error: usb_keyboard.h: No such file or directory
#include <usb_keyboard.h>

Pourriez-vous m’aider s’il vous plait ?

Je vous remercie par avance

Voici mon code

#include <usb_keyboard.h>
// This code is licensed under Apache 2.0 License
// Limitation of Liability. In no event and under no legal theory,
// whether in tort (including negligence), contract, or otherwise,
// unless required by applicable law (such as deliberate and grossly
// negligent acts) or agreed to in writing, shall any Contributor be
// liable to You for damages, including any direct, indirect, special,
// incidental, or consequential damages of any character arising as a
// result of this License or out of the use or inability to use the
// Work (including but not limited to damages for loss of goodwill,
// work stoppage, computer failure or malfunction, or any and all
// other commercial damages or losses), even if such Contributor
// has been advised of the possibility of such damages.
// This code is indented for people who are not able to contact
// apple support and I am in no way liable for any damage or
// problems this code might cause.

const int ledPin = 13; // choose the pin for the LED
int counter = 0;
int fakecounter = counter;
char pin[]="xxxx";

void setup() {
  pinMode(ledPin, OUTPUT); // declare LED as output

void loop(){
  keyboard.modifier_keys = 0;
  if (counter <= 9999){
    digitalWrite(ledPin, LOW);
    digitalWrite(ledPin, HIGH);
    sprintf(pin, "%04d", fakecounter);
    //sending first digit[0]);
    //sending second digit[1]);
    //sending third digit[2]);
    //sending forth digit[3]);
    //sending enter;
  //reached 4 digit PIN max value
  if (counter > 9999){
    for (int blinkies = 0; blinkies < 8; blinkies++) {
      digitalWrite(ledPin, HIGH);
      digitalWrite(ledPin, LOW);
  fakecounter = counter;

C'est parce que la librairie usb_keyboard n'est pas installée. Dans to IDE arduino, fais "gérer les librairies" cherche "USB keyboard" et installe-la, ca devrait aller mieux...

Merci Zorro_X de ta réponse, mais je crois que cette librairie est déjà installée...