int merah = 8;
int kuning = 9;
int hijau = 10;

void setup() {
  // put your setup code here, to run once:
Serial.begin(115200);
if(!Serial)Serial.println("serial aman boss...");

pinMode(merah, OUTPUT);
pinMode(kuning, OUTPUT);
pinMode(hijau, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(merah, HIGH);
Serial.println("sok tau...");
delay(2000);
digitalWrite(merah, LOW);
Serial.println("kepo...");
delay(1000);
digitalWrite(kuning, HIGH);
Serial.println("apaan...");
delay(3000);
digitalWrite(kuning, LOW);
Serial.println("idih...");
delay(2000);
digitalWrite(hijau, HIGH);
Serial.println("kamu siapa...");
delay(2000);
digitalWrite(hijau, LOW);
Serial.println("orang...");
delay(1000);

}