diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index 3e1d70c3c..7b829cad5 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -736,6 +736,13 @@ static void continuous_adc_init(adc_channel_t *channel, uint8_t channel_num, adc
 }
 
 static void motors_task (void *pvParameter) {}
+static void led_task (void *pyParameter) {
+    while(1)
+	{
+	    printf("Hello world!\n");
+	    vTaskDelay(CONFIG_BLINK_PERIOD / portTICK_PERIOD_MS);
+	}
+}
 
 /*
     EXP32-C3 Chip built-in temprature sensor