void setup() {
  // put your setup code here, to run once:
  pinMode(13,OUTPUT);
  pinMode(11, OUTPUT); 
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(13, HIGH); // ngirim sinyal 1/0 tergantung code nyaa | high = 1 | low = 0
  digitalWrite(11, HIGH);
  delay(1000);
  digitalWrite(13, LOW);
  digitalWrite(11, LOW);
  delay(1000);
  pinMode(11, OUTPUT); 
  // menyalakan on off pin 11 secara bergantian
  // digitalWrite(11, HIGH); 
  // delay(1000);
  // digitalWrite(11, LOW);
  // delay(1000);
  // pinMode(11, OUTPUT); 

}

// void setup ( settingan awal )
// void loop (running)