Little Arduino Test App

/*
  Blink2
  by Jared De Blander
  adapted from Blink by Scott Fitzgerald
 */

#define TIME_MS_ON    50
#define TIME_MS_OFF   175

// 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(TIME_MS_ON);          // wait for the on time in milliseconds (TIME_MS_ON)
  digitalWrite(13, LOW);      // turn the LED off by making the voltage LOW
  delay(TIME_MS_OFF);         // wait for the off time in milliseconds (TIME_MS_ON)
}