diff --git a/arduino/mqttfastledmenu/mqttfastledmenu.cpp b/arduino/mqttfastledmenu/mqttfastledmenu.cpp
index 1f9e030..689bf5a 100644
--- a/arduino/mqttfastledmenu/mqttfastledmenu.cpp
+++ b/arduino/mqttfastledmenu/mqttfastledmenu.cpp
@@ -176,22 +176,26 @@ void ledCylon()
       }
       if ((i - 2) >= 0) {
         /*
-         * Se lit 204/256 d'intensité lumineuse
-         * àhttps://github.com/FastLED/FastLED/wiki/Pixel-reference#dimming-and-brightening-colors
+         * Se lit 128/256 d'intensité lumineuse actuelle
+         * https://github.com/FastLED/FastLED/wiki/Pixel-reference#dimming-and-brightening-colors
          */
-        leds[i - 2] %= 204;
+        leds[i - 2].fadeLightBy(240);
       }
-      if ((i - 2) >= 1) {
-        leds[i - 2] %= 153;
+      if ((i - 1) >= 0) {
+        leds[i - 1].fadeLightBy(200);
       }
 
       leds[i] = color;
 
       if ((i + 1) <= LED_NUM) {
-        leds[i - 2] %= 153;
+        leds[i + 1] = color;
+        // Je suis volontairement un peu moins puissant sur l'avant
+        // pour donner un effet de trainée sur l'arrière
+        leds[i + 1].fadeLightBy(220);
       }
       if ((i + 2) <= LED_NUM) {
-        leds[i - 2] %= 204;
+        leds[i + 2] = color;
+        leds[i + 2].fadeLightBy(240);
       }
 
       FastLED.delay(1000 / speed);
@@ -201,27 +205,29 @@ void ledCylon()
     for(int i = LED_NUM - 1; i > 0; i--) {
       client.loop();
 
-      if ((i - 2) >= 0) {
-        /*
-         * Se lit 204/256 d'intensité lumineuse
-         * àhttps://github.com/FastLED/FastLED/wiki/Pixel-reference#dimming-and-brightening-colors
-         */
-        leds[i - 2] %= 204;
+      if (ledEffect != LED_EFFECT_CYLON) {
+        return;
       }
-      if ((i - 2) >= 1) {
-        leds[i - 2] %= 153;
+
+      if ((i - 2) >= 0) {
+        leds[i - 2] = color;
+        leds[i - 2].fadeLightBy(240);
+      }
+      if ((i - 1) >= 0) {
+        leds[i - 1] = color;
+        leds[i - 1].fadeLightBy(220);
       }
 
       leds[i] = color;
 
       if ((i + 1) <= LED_NUM) {
-        leds[i - 2] %= 153;
+        leds[i + 1].fadeLightBy(200);
       }
       if ((i + 2) <= LED_NUM) {
-        leds[i - 2] %= 204;
+        leds[i + 2].fadeLightBy(240);
       }
       if ((i + 3) <= LED_NUM) {
-        leds[i - 3] = CRGB::Black;
+        leds[i + 3] = CRGB::Black;
       }
 
       FastLED.delay(1000 / speed);