void task1(void *pt) {
  pinMode(12, OUTPUT);
  while(1) {
    digitalWrite(12, !digitalRead(12));
    vTaskDelay(800);
  }
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);

  xTaskCreate(task1, "LED BLINK", 1024, NULL, 1, NULL);
  
}

void loop() {
  
}