void setup() {
  /*  NEW LAMP LED KELAP KELIP
   Author: Abraham Diamond s a n
   Class: XI TJKT 1
   DI RILIS TAHUN 2022 SEPTEMBER TGL 12
   */



   #define LED1 5
   #define LED2 4

  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
}

 void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(LED1, HIGH);
  digitalWrite(LED2, LOW);
  delay(500);

  digitalWrite(LED1, LOW);
  digitalWrite(LED2, HIGH);
  delay(300);
}