#define LED1 5
#define LED2 4
void setup()
{
  Serial.begin(9600);
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);

xTaskCreatePinnedToCore
(
  TaskLED1, "TaskLED1", 1024, NULL, 1, NULL, 0
);

xTaskCreatePinnedToCore
(
  TaskLED2, "TaskLED2", 1024, NULL, 1, NULL, 1
);

}
   void loop()
  {
  }
  void TaskLED1( void *pvParameters)
  {
    Serial.print("Task1 is running on core ");
    Serial.println(xPortGetCoreID());
    for (;;) 
    {
    digitalWrite(LED1, LOW);   
    vTaskDelay( 250 / portTICK_PERIOD_MS );   
    digitalWrite(LED1, HIGH);   
    vTaskDelay( 250 / portTICK_PERIOD_MS ); 
    }
  }
  void TaskLED2( void *pvParameters)
  { Serial.print("Task2 is running on core ");
    Serial.println(xPortGetCoreID());
    for (;;) 
    {
    digitalWrite(LED2, HIGH);   
    vTaskDelay( 250 / portTICK_PERIOD_MS ); 
    digitalWrite(LED2, LOW);   
    vTaskDelay( 250 / portTICK_PERIOD_MS ); 
    }
  }