diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index 87ebc21eb..9a9ed2316 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -24,7 +24,7 @@ static const char *TAG = "ESP IDF Robot";
 
 // LED
 #define LEDC_TIMER              LEDC_TIMER_0
-#define LEDC_MODE               LEDC_HIGH_SPEED_MODE // LEDC_LOW_SPEED_MODE
+#define LEDC_MODE               LEDC_LOW_SPEED_MODE // LEDC_LOW_SPEED_MODE
 #define LEDC_OUTPUT_IO          (5) // Define the output GPIO
 #define LEDC_CHANNEL            LEDC_CHANNEL_0
 #define LEDC_DUTY_RES           LEDC_TIMER_10_BIT // Set duty resolution to 13 bits