int led = 13;
int stateLed = 1;
int initialTime;
int time;
long cont = 0;

void setup() {
  pinMode(led, OUTPUT);
  Serial.begin(9600);
  initialTime = millis();
}

void loop() {
  blinkled();
  cont++;
  Serial.println(cont); //Verificar que nao ocorre atraso.
}

void blinkled() {
  time = millis() - 1000;
  if (time >= initialTime) {
    digitalWrite(led, stateLed);
    stateLed ^= 1;
    initialTime = millis();
  }
}