void setup() {
 Serial.begin(115200);
if(Serial) Serial.println();("serial is not ok");
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
pinMode(8, OUTPUT);
pinMode(9, OUTPUT);
pinMode(10, OUTPUT);
pinMode(11, OUTPUT);
pinMode(12, OUTPUT);
pinMode(13, OUTPUT);
}

void loop() {
  //LAMPU 5
  digitalWrite(5, HIGH);
  delay(100);
  digitalWrite(5, LOW);
  delay(100);
   //LAMPU 6
  digitalWrite(6, HIGH);
  delay(100);
  digitalWrite(6, LOW);
  delay(100);
  //LAMPU 7
  digitalWrite(7, HIGH);
  delay(100);
  digitalWrite(7, LOW);
  delay(100);
  //LAMPU 8
  digitalWrite(8, HIGH);
  delay(100);
  digitalWrite(8, LOW);
  delay(100);
  //LAMPU 9
  digitalWrite(9, HIGH);
  delay(100);
  digitalWrite(9, LOW);
  delay(100);
  //LAMPU 10
  digitalWrite(10, HIGH);
  delay(100);
  digitalWrite(10, LOW);
  delay(100);
  //LAMPU 11
  digitalWrite(11, HIGH);
  delay(100);
  digitalWrite(11, LOW);
  delay(100);
  //LAMPU 12
  digitalWrite(12, HIGH);
  delay(100);
  digitalWrite(12, LOW);
  delay(100);
  //LAMPU 13
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}