/*NAMA:RENDI VERIAWAN LISTANTO
  KELAS:XI TKJ 1
  NO.ABSEN:29
  PROJEK:FLIP FLOP 2 LAMPU
*/
void setup()
{
  pinMode(4, OUTPUT);
  pinMode(3, OUTPUT);
}

void loop()
{
  digitalWrite(4,HIGH );
  digitalWrite( 3,LOW );
  delay(300);

  digitalWrite( 4,LOW );
  digitalWrite( 3, HIGH );
  delay(300);
}