/*
Blink pin 13 for 0.25 seconds
*/
// the setup function runs once when you press reset or power the board
void setup() {
// initialize digital pin LED_BUILTIN 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(250); // wait for 0.25 seconds
digitalWrite(13, LOW); // turn the LED off by making the voltage LOW
delay(250); // wait for 0.25 seconds
}
