int led_pin = 8;

void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(led_pin, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(led_pin, HIGH);
  Serial.print("LED = MENYALA | ");
  delay(2000);
  digitalWrite(led_pin, LOW);
  Serial.print("LED = PADAM | ");
  delay(2000);
}