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 2a7d800aa..ca03e3fce 100644
--- a/ESP-IDF_Robot/build/CMakeFiles/git-data/head-ref
+++ b/ESP-IDF_Robot/build/CMakeFiles/git-data/head-ref
@@ -1 +1 @@
-0deb2f7702db4f018fe98275474bed3462a401a7
+d006902ae52968b594f821ae64fed88260eb0126
diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index aed834591..4a3c3a99c 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -180,8 +180,8 @@ static void ledc_init (void) {
 
 static void dac_init (void) {
     // GPIO ??
-    dac_output_enable(DAC_CHANNEL_1);
-    dac_output_voltage(DAC_CHANNEL_1, 64);
+    dac_output_enable(DAC_CHANNEL_0);
+    dac_output_voltage(DAC_CHANNEL_0, 64);
 }
 
 void app_main(void)