text: /*
   * I do not take any credit for this code. It was completely written by
   * other people. I only add it to my learn-arduino collection as it is
   * a good start for anyone new
   *
   *
   * Blink
   *  Turns on an LED on for one second, then off for one second, repeatedly.
   *
   *  Most Arduinos have an on-board LED you can control. On the Uno and
   *  Leonardo, it is attached to digital pin 13. If you're unsure what
   *  pin the on-board LED is connected to on your Arduino model, check
   *  the documentation at http://arduino.cc
   *
   *  This example code is in the public domain.
   *  by Scott Fitzgerald
   */
  #include <Arduino.h>
  
  // the setup function runs once when you press reset or power the board
  void setup() {
    // initialize digital pin 13 as an output.
    pinMode(13, OUTPUT);
  }
  
  // the loop function runs over and over again forever
  void loop() {
    digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
    delay(1000);              // wait for a second
    digitalWrite(13, LOW);    // turn the LED off by making the voltage LOW
    delay(1000);              // wait for a second
  }
  