diff --git a/hoverserial.ino b/hoverserial.ino
index c2e9a6f..55b7577 100644
--- a/hoverserial.ino
+++ b/hoverserial.ino
@@ -294,16 +294,31 @@ void loop()
 
   if (iTimeSend > timeNow)
     return;
-  iTimeSend = timeNow + TIME_SEND;
+  if (cmd2 == 0)
+    return;
+  iTimeSend = timeNow + ((200 - abs(cmd2)) * 2);  // TIME_SEND
   strip.clear();
   strip.setPixelColor(idx_led, strip.Color(128, 0, 0));
-  if (idx_led < strip.numPixels() -1 )
-  {
-    idx_led++;
+  if (cmd2 > 0){
+      if (idx_led < strip.numPixels() -1 )
+      {
+        idx_led++;
+      }
+      else
+      {
+        idx_led = 0;
+      }
   }
   else
   {
-    idx_led = 0;
+     if (idx_led > 0 )
+      {
+        idx_led--;
+      }
+      else
+      {
+        idx_led = strip.numPixels() -1 ;
+      }
   }
-  strip.show();
+      strip.show();
 }