int red = 25;
int green = 26;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println(red, OUTPUT);
  Serial.println(green, OUTPUT);
 
  for (int angka1 = 0; angka1 <= 10; angka1++){
    Serial.println(angka1);
    berkedip(red, 1);
    delay(300);
  }
  berkedip (red, 0);

}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}

void berkedip (int warna, boolean hidup) {
  digitalWrite(warna, hidup);
  delay(300);
}

 /*while (angka <= 10){
    angka++;
    Serial.println(angka);
  }*/

  // do{
  //   Serial.println(angka);
  //   angka++;
  //   delay(500);
  // }
  // while(angka < 10);