Enqueue_test.ino

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  while (!Serial) {}
  Enqueue.start();
  Serial.println("start");
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(1000);
  for (int i = 0; i < 10; i++) {
    Serial.println(counter);
  }
}