//Nama:M.Fadhlurrahman Fauzan
//Kelas:Mc informatika 2
int ledm = 9;
int ledk = 10;
int ledh = 11;

void setup() {
  Serial.begin(9600);
  pinMode(ledm, OUTPUT);
  pinMode(ledk, OUTPUT);
  pinMode(ledh, OUTPUT);
}

void loop() {
  digitalWrite(ledm, HIGH);
  digitalWrite(ledk, LOW);
  digitalWrite(ledh, LOW);
  Serial.println("Merah menyala");
  delay(2000);
    digitalWrite(ledm, LOW);
  digitalWrite(ledk, HIGH);
  digitalWrite(ledh, LOW);
  Serial.println("Kuning menyala");
  delay(1000);
    digitalWrite(ledm, LOW);
  digitalWrite(ledk, LOW);
  digitalWrite(ledh, HIGH);
  Serial.println("Hijau menyala");
  delay(2000);
}