void setup() {
// initialize digital pin 13 as an output.
pinMode(13, OUTPUT);
pinMode(8, OUTPUT);
pinMode(9, OUTPUT);
}
void loop() {
digitalWrite(13, HIGH);
delay(100);
digitalWrite(8, HIGH);
delay(1000);
digitalWrite(9, LOW);
delay(200);
digitalWrite(13, LOW);
delay(200);
digitalWrite(8, LOW);
delay(500);
digitalWrite(9, HIGH);
delay(500);
}