int lbiru=13;
int lmerah=12;
int lhijau=11;


void setup() 
{
  // put your setup code here, to run once:
pinMode(lbiru, OUTPUT);
pinMode(lmerah, OUTPUT);
pinMode(lhijau, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(lbiru, HIGH);
delay(200);
digitalWrite(lbiru, LOW);
delay(200);

digitalWrite(lmerah, HIGH);
delay(200);
digitalWrite(lmerah, LOW);
delay(200);

digitalWrite(lhijau, HIGH);
delay(200);
digitalWrite(lhijau, LOW);
delay(200);

//nyala kebalikannya
digitalWrite(lmerah, HIGH);
delay(200);
digitalWrite(lmerah, LOW);
delay(200);
}