//pasya raditia putra xi mk d : kamis 06 Agustus 2026
  
#define LEDB 2
#define LEDM 4

void setup () {
 pinMode(LEDB,OUTPUT);
 pinMode(LEDM,OUTPUT);
}

void loop () {
  digitalWrite(LEDB,HIGH);
  digitalWrite(LEDM,LOW);
  delay(500);
  digitalWrite(LEDB,LOW);
  digitalWrite(LEDM,HIGH);
  delay(500);
}