/* Programa que produce parpadeo de led LD3 de la tarjeta nucleo L031k6*/

const int LED = PB3; // pin al que se conecta el led

void setup() {
  // put your setup code here, to run once:
  pinMode(LED, OUTPUT);   // configuramos PB3 como salida
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(LED, HIGH);
  delay(500);
  digitalWrite(LED, LOW);
  delay(500);
}