diff --git a/ESP-IDF_Robot/build/.bin_timestamp b/ESP-IDF_Robot/build/.bin_timestamp
index 2ebcabd63..c665ebc9c 100644
--- a/ESP-IDF_Robot/build/.bin_timestamp
+++ b/ESP-IDF_Robot/build/.bin_timestamp
@@ -1 +1 @@
-4e2018273b7d627e893d891603761983  /home/abobkov/MyProjects/ESP-Nodes/ESP-IDF_Robot/build/ESP-IDF_Robot.bin
+5b612126596a95ae27a239bed81cf3d1  /home/abobkov/MyProjects/ESP-Nodes/ESP-IDF_Robot/build/ESP-IDF_Robot.bin
diff --git a/ESP-IDF_Robot/build/.ninja_lock b/ESP-IDF_Robot/build/.ninja_lock
deleted file mode 100644
index e69de29bb..000000000
diff --git a/ESP-IDF_Robot/build/.ninja_log b/ESP-IDF_Robot/build/.ninja_log
index 1deff8788..c184a8534 100644
--- a/ESP-IDF_Robot/build/.ninja_log
+++ b/ESP-IDF_Robot/build/.ninja_log
@@ -953,3 +953,10 @@
 476	624	1735420438726788839	/home/abobkov/MyProjects/ESP-Nodes/ESP-IDF_Robot/build/bootloader-prefix/src/bootloader-stamp/bootloader-done	608485c817a7b49c
 408	1104	1735420438514824068	esp-idf/main/CMakeFiles/__idf_main.dir/blink_example_main.c.obj	4dd51763bd3cdffe
 1105	1152	1735420439211708387	esp-idf/main/libmain.a	e31ee7c6d085bb4e
+1153	18155	1735420456179991973	esp-idf/esp_system/ld/sections.ld	fac8ddf2708b76fe
+1153	18155	1735420456179991973	/home/abobkov/MyProjects/ESP-Nodes/ESP-IDF_Robot/build/esp-idf/esp_system/ld/sections.ld	fac8ddf2708b76fe
+18155	19779	1735420456260979470	ESP-IDF_Robot.elf	7db8bbdc5ef5141f
+19780	20219	1735420458322662238	.bin_timestamp	15712c9999fc04aa
+19780	20219	1735420458322662238	/home/abobkov/MyProjects/ESP-Nodes/ESP-IDF_Robot/build/.bin_timestamp	15712c9999fc04aa
+20220	20337	1735420458326661626	esp-idf/esptool_py/CMakeFiles/app_check_size	1b7369a06a6f9d53
+20220	20337	1735420458326661626	/home/abobkov/MyProjects/ESP-Nodes/ESP-IDF_Robot/build/esp-idf/esptool_py/CMakeFiles/app_check_size	1b7369a06a6f9d53
diff --git a/ESP-IDF_Robot/build/ESP-IDF_Robot.bin b/ESP-IDF_Robot/build/ESP-IDF_Robot.bin
index 0cd748035..5a0b1d2fe 100644
Binary files a/ESP-IDF_Robot/build/ESP-IDF_Robot.bin and b/ESP-IDF_Robot/build/ESP-IDF_Robot.bin differ
diff --git a/ESP-IDF_Robot/build/ESP-IDF_Robot.elf b/ESP-IDF_Robot/build/ESP-IDF_Robot.elf
index 5c65deb8e..2cd192ec3 100755
Binary files a/ESP-IDF_Robot/build/ESP-IDF_Robot.elf and b/ESP-IDF_Robot/build/ESP-IDF_Robot.elf differ
diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index 28f5b7de5..4cfd86fb9 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -858,6 +858,7 @@ void app_main(void)
 
         vTaskDelay(CONFIG_BLINK_PERIOD / portTICK_PERIOD_MS);
 
+        // Gradually reduce DC motor rotation speed.
         if (var >= 2048)
             var -= 124;
         else