#define LED_hijau 13
#define LED_biru 12
#define LED_merah 11
void setup() {
Serial.begin (9600);
pinMode(LED_hijau,OUTPUT);
pinMode(LED_biru,OUTPUT);
pinMode(LED_merah,OUTPUT);
digitalWrite(LED_hijau,LOW);
digitalWrite(LED_hijau,LOW);
digitalWrite(LED_hijau,LOW);
Serial.println("Semua LED Padam");
delay(1000);
}
void loop() {

digitalWrite(LED_hijau,HIGH);
Serial.println("LED Hijau Nyala");
delay(1000);
digitalWrite(LED_biru,HIGH);
Serial.println("LED Hijau, Biru Nyala");
delay(1000);
digitalWrite(LED_merah,HIGH);
Serial.println("LED Hijau, Biru, Merah Nyala");
delay(1000);
digitalWrite(LED_hijau,LOW);
digitalWrite(LED_biru,LOW);
digitalWrite(LED_merah,LOW);
Serial.println("Semua LED Padam");
delay(1000);
}