1void setup() {
2 pinMode(13, OUTPUT); // sets the digital pin 13 as output
3}
4
5void loop() {
6 digitalWrite(13, HIGH); // sets the digital pin 13 on
7 delay(1000); // waits for a second
8 digitalWrite(13, LOW); // sets the digital pin 13 off
9 delay(1000); // waits for a second
10}