Teensyduino Keyboard

keyboard_simple_teensy.pde

/* Simple USB Keyboard Example
   Teensy becomes a USB keyboard and types characters
  
   REQUIREMENTS - Install the Teensyduino (arduino ide plugins) 
   http://www.pjrc.com/teensy/td_download.html

   Before programming you must select Keyboard from the "Tools > USB Type" menu

   This example code is in the public domain.
*/

int count = 0;

void setup() {
  Serial.begin(9600);
  delay(5000);
  pinMode(2, INPUT);
}

void loop() {

  // if you are touching yellow GRND wire and Celery the digital pin will go LOW
  if (digitalRead(2) == LOW) {
    Keyboard.print("A");
   
  }
  // typing too rapidly can overwhelm a PC
  delay(100);
  
}