int merah1 =...;
void setup() {
pinMode(merah1, OUTPUT);
}
void loop() {
digitalWrite(merah1, HIGH);
digitalWrite(merah2, HIGH);
digitalWrite(hijau3, HIGH);
digitalWrite(kuning1, LOW);
digitalWrite(kuning2, LOW);
digitalWrite(kuning3, LOW);
digitalWrite(hijau1, LOW);
digitalWrite(hijau2, LOW);
}