#include <Arduino.h>          /* Don't forget to add Arduino.h */
#include <stdio.h>
#include <serial_interface.h> /* Allow us to use printf */

void setup() {
  init_serial_stdio();        /* Initialization for printf, etc. */
}

void loop() {
  printf("Fear the turtle\n");
  delay(1000); /* 1 second delay */
}