void task1(void *pt) {
  pinMode(23, OUTPUT);
  while(1) {
    digitalWrite(23, !digitalRead(23));
    // delay(1000);
    int timeDelay = 1000; //ms
    vTaskDelay(pdMS_TO_TICKS(timeDelay));
  }
}

void task2(void *pt) {
  pinMode(21, OUTPUT);
  while(1) {
    digitalWrite(21, !digitalRead(21));
    int timeDelay = 3000; //ms
    vTaskDelay(timeDelay/portTICK_PERIOD_MS);
  }
}


void setup() {
  xTaskCreate(task1, "Blink 23", 1024, NULL, 1, NULL);
  xTaskCreate(task2, "Blink 21", 1024, NULL, 1, NULL);
  Serial.begin(115200);
  Serial.println(portTICK_PERIOD_MS);
}

void loop() {
}