void setup() {
// variables y pines
pinMode(5, OUTPUT);
pinMode(4, OUTPUT);
pinMode(3, OUTPUT);
}
void loop() {
// codificacion - acciones
digitalWrite(5, HIGH);
delay(1000);
digitalWrite(5, LOW);
delay(1000);
digitalWrite(4, HIGH);
delay(1000);
digitalWrite(4, LOW);
delay(1000);
digitalWrite(3, HIGH);
delay(1000);
digitalWrite(3, LOW);
delay(1000);
}