diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index 845b8d6b2..2b7c2ae38 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -60,7 +60,7 @@ TIMER RESOLUTION    MAX VALUE   HALF-DUTY
 10                  1023            511
 13                  8191            4095
 */
-#define LEDC_DUTY               (8191)//7820) // 8068, 7944, 7820, 7696, 7572, *7680*, 7424, 7168, 6144, 512, 768
+#define LEDC_DUTY               (7944)//7820) // 8068, 7944, 7820, 7696, 7572, *7680*, 7424, 7168, 6144, 512, 768
 #define LEDC_FREQUENCY          (8192)//4000) // For LED the freuqncy of 500Hz seems to be sufficient. // Frequency in Hertz. For DC motor, set frequency at 5 kHz
 
 /* Use project configuration menu (idf.py menuconfig) to choose the GPIO to blink,