#define LedMerah 11
#define LedKuning 10
#define LedHijau 9

void setup() {
pinMode(LedMerah, OUTPUT);
pinMode(LedKuning, OUTPUT);
pinMode(LedHijau, OUTPUT);

}

void loop() {
digitalWrite(LedMerah, HIGH);
delay(3000);
digitalWrite(LedMerah, LOW);
digitalWrite(LedKuning, HIGH);
delay(3000);
digitalWrite(LedKuning, LOW);
digitalWrite(LedHijau, HIGH);
delay(5000);
digitalWrite(LedHijau, LOW);


}