diff --git a/Core/Src/main.c b/Core/Src/main.c
index 6b72561..aed8c90 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -97,8 +97,8 @@ int main(void)
   /* USER CODE BEGIN WHILE */
   while (1)
   {
+    HAL_Delay(4000);
     /* USER CODE END WHILE */
-
     /* USER CODE BEGIN 3 */
   }
   /* USER CODE END 3 */