diff --git a/components/led/Kconfig.projbuild b/components/led/Kconfig.projbuild
index a306c22..7e316fe 100644
--- a/components/led/Kconfig.projbuild
+++ b/components/led/Kconfig.projbuild
@@ -18,4 +18,12 @@ menu "Calendink LED Configuration"
         default 21
         help
             GPIO pin for the LED.
+
+    config CALENDINK_LED_ACTIVE_LOW
+        bool "LED is Active Low (0 turns it ON)"
+        depends on CALENDINK_LED_TYPE_SIMPLE
+        default y
+        help
+            Select this if your LED turns ON when the GPIO is driven low (0V).
+            Many development boards wire LEDs between VCC and the GPIO pin, making them active low.
 endmenu
diff --git a/components/led/led.cpp b/components/led/led.cpp
index 2afb5fc..33cafac 100644
--- a/components/led/led.cpp
+++ b/components/led/led.cpp
@@ -15,6 +15,16 @@
 
 #define LED_GPIO (gpio_num_t)CONFIG_CALENDINK_LED_GPIO
 
+#if defined(CONFIG_CALENDINK_LED_TYPE_SIMPLE)
+#if defined(CONFIG_CALENDINK_LED_ACTIVE_LOW)
+#define SIMPLE_LED_ON  0
+#define SIMPLE_LED_OFF 1
+#else
+#define SIMPLE_LED_ON  1
+#define SIMPLE_LED_OFF 0
+#endif
+#endif
+
 #if defined(CONFIG_CALENDINK_LED_TYPE_STRIP)
 internal led_strip_handle_t led_strip;
 #endif
@@ -34,25 +44,21 @@ void setup_led(void)
       led_strip_new_rmt_device(&strip_config, &rmt_config, &led_strip));
 
   led_strip_clear(led_strip);
+  led_strip_refresh(led_strip);
 #elif defined(CONFIG_CALENDINK_LED_TYPE_SIMPLE)
   gpio_reset_pin(LED_GPIO);
   gpio_set_direction(LED_GPIO, GPIO_MODE_OUTPUT);
-  gpio_set_level(LED_GPIO, 0);
+  gpio_set_level(LED_GPIO, SIMPLE_LED_OFF);
 #endif
 }
 
-void turn_off_led(void) 
-{ 
+void turn_off_led(void)
+{
 #if defined(CONFIG_CALENDINK_LED_TYPE_STRIP)
-  led_strip_clear(led_strip); 
+  led_strip_clear(led_strip);
+  led_strip_refresh(led_strip);
 #elif defined(CONFIG_CALENDINK_LED_TYPE_SIMPLE)
-  gpio_set_level(LED_GPIO, 1);
-  vTaskDelay(pdMS_TO_TICKS(100));
-  gpio_set_level(LED_GPIO, 0);
-  vTaskDelay(pdMS_TO_TICKS(100));
-  gpio_set_level(LED_GPIO, 1);
-  vTaskDelay(pdMS_TO_TICKS(100));
-  gpio_set_level(LED_GPIO, 0);
+  gpio_set_level(LED_GPIO, SIMPLE_LED_OFF);
 #endif
 }
 
@@ -88,7 +94,7 @@ void set_led_status(led_status status)
   case led_status::ReadyEthernet:
   case led_status::ReadyWifi:
   case led_status::Failed:
-    gpio_set_level(LED_GPIO, 1);
+    gpio_set_level(LED_GPIO, SIMPLE_LED_ON);
     break;
   }
 #endif
@@ -102,14 +108,14 @@ void led_blink_number(int n, uint8_t r, uint8_t g, uint8_t b)
     led_strip_set_pixel(led_strip, 0, r, g, b);
     led_strip_refresh(led_strip);
 #elif defined(CONFIG_CALENDINK_LED_TYPE_SIMPLE)
-    gpio_set_level(LED_GPIO, 1);
+    gpio_set_level(LED_GPIO, SIMPLE_LED_ON);
 #endif
     vTaskDelay(pdMS_TO_TICKS(300));
 #if defined(CONFIG_CALENDINK_LED_TYPE_STRIP)
     led_strip_clear(led_strip);
     led_strip_refresh(led_strip);
 #elif defined(CONFIG_CALENDINK_LED_TYPE_SIMPLE)
-    gpio_set_level(LED_GPIO, 0);
+    gpio_set_level(LED_GPIO, SIMPLE_LED_OFF);
 #endif
     vTaskDelay(pdMS_TO_TICKS(300));
   }