YARPF

int pinLED = 13;

void setup() {
  pinMode(pinLED, OUTPUT);
}

void loop() {
  digitalWrite(pinLED, HIGH);
}

int pinLED = 13;

void setup() {
  pinMode(pinLED, OUTPUT);
}

void loop() {
  digitalWrite(pinLED, HIGH);
  delay(1000);

  digitalWrite(pinLED, LOW);
  delay(1000);
}