// Menyalakan LED Menggunakan Arduino UNO
// Menyalakan LED dengan Aktif HIGH
// Vernanda Prahanditya
// 20.240.0105
// 5P41

void setup()
{
   pinMode(4, OUTPUT);
   pinMode(3, OUTPUT);
   pinMode(2, OUTPUT);
   pinMode(1, OUTPUT);
}
void loop()
{ 
   digitalWrite(1, HIGH);
   digitalWrite(2, LOW);
   digitalWrite(3, LOW);
   digitalWrite(4, LOW);

   delay(1000);

   digitalWrite(1, LOW);
   digitalWrite(2, HIGH);
   digitalWrite(3, LOW);
   digitalWrite(4, LOW);

   delay(1000);

   digitalWrite(1, LOW);
   digitalWrite(2, LOW);
   digitalWrite(3, HIGH);
   digitalWrite(4, LOW);

   delay(1000);

   digitalWrite(1, LOW);
   digitalWrite(2, LOW);
   digitalWrite(3, LOW);
   digitalWrite(4, HIGH);

   delay(1000);

}