diff --git a/ESP-IDF_Robot/build/.ninja_lock b/ESP-IDF_Robot/build/.ninja_lock
new file mode 100644
index 000000000..e69de29bb
diff --git a/ESP-IDF_Robot/build/CMakeFiles/git-data/head-ref b/ESP-IDF_Robot/build/CMakeFiles/git-data/head-ref
index 5e31f7a65..db2acc9b7 100644
--- a/ESP-IDF_Robot/build/CMakeFiles/git-data/head-ref
+++ b/ESP-IDF_Robot/build/CMakeFiles/git-data/head-ref
@@ -1 +1 @@
-3fd679976a6bcbbca90149ef8e078aa77537d0c8
+de9da2b21c49484a9be4d0ba9905ea528faf5cfa
diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index 971dfb35e..6a4203faf 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -38,7 +38,7 @@ TIMER RESOLUTION    MAX VALUE   HALF-DUTY
 //#define LEDC_DUTY               (1000)
 #define LEDC_DUTY               (512)
 //#define LEDC_DUTY               (4096)
-#define LEDC_FREQUENCY          (2000) // For LED the freuqncy of 500Hz seemed to be sufficient. // Frequency in Hertz. For DC motor, set frequency at 5 kHz
+#define LEDC_FREQUENCY          (5000) // For LED the freuqncy of 500Hz seemed 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,
    or you can edit the following line and set a number here.