/*
Nama : Zain Fajar
Kelas : XI TKJ 1
Absen : 37
Project : Flip Flop
*/
void setup() 
{
pinMode(4, OUTPUT);
pinMode(3, OUTPUT);
}

void loop() 
{
digitalWrite(4,HIGH);
digitalWrite(3,LOW);
delay(500);

digitalWrite(4,LOW);
digitalWrite(3,HIGH);
delay(500);
}