diff --git a/config/configNormal.ini b/config/configNormal.ini
index 264ecd5c..9982b4ad 100644
--- a/config/configNormal.ini
+++ b/config/configNormal.ini
@@ -13,6 +13,7 @@ lib_deps =
     TopicHandlerService @ ~0.1.0 # Mandatory, can not be removed.
     FileMgrService @ ~0.1.0 # Mandatory, can not be removed.
     AudioService @ ~0.1.0
+    TimerService @ ~0.1.0
     # ********** Topic handlers **********
     RestApiTopicHandler @ ~0.1.0 # Mandatory, can not be removed. Used by webinterface.
     MqttApiTopicHandler @ ~0.1.0 # Requires MqttService
diff --git a/config/configSmall.ini b/config/configSmall.ini
index c69e6c35..152811cc 100644
--- a/config/configSmall.ini
+++ b/config/configSmall.ini
@@ -13,6 +13,7 @@ lib_deps =
     TopicHandlerService @ ~0.1.0 # Mandatory, can not be removed.
     FileMgrService @ ~0.1.0 # Mandatory, can not be removed.
     ;AudioService @ ~0.1.0
+    ;TimerService @ ~0.1.0
     # ********** Topic handlers **********
     RestApiTopicHandler @ ~0.1.0 # Mandatory, can not be removed. Used by webinterface.
     ;MqttApiTopicHandler @ ~0.1.0 # Requires MqttService
diff --git a/config/configSmallNoI2s.ini b/config/configSmallNoI2s.ini
index e40fb047..e0471b89 100644
--- a/config/configSmallNoI2s.ini
+++ b/config/configSmallNoI2s.ini
@@ -13,6 +13,7 @@ lib_deps =
     TopicHandlerService @ ~0.1.0 # Mandatory, can not be removed.
     FileMgrService @ ~0.1.0 # Mandatory, can not be removed.
     ;AudioService @ ~0.1.0
+    ;TimerService @ ~0.1.0
     # ********** Topic handlers **********
     RestApiTopicHandler @ ~0.1.0 # Mandatory, can not be removed. Used by webinterface.
     ;MqttApiTopicHandler @ ~0.1.0 # Requires MqttService
diff --git a/config/configSmallUlanzi.ini b/config/configSmallUlanzi.ini
index f3cc5705..17ffa136 100644
--- a/config/configSmallUlanzi.ini
+++ b/config/configSmallUlanzi.ini
@@ -13,6 +13,7 @@ lib_deps =
     TopicHandlerService @ ~0.1.0 # Mandatory, can not be removed.
     FileMgrService @ ~0.1.0 # Mandatory, can not be removed.
     ;AudioService @ ~0.1.0
+    ;TimerService @ ~0.1.0
     # ********** Topic handlers **********
     RestApiTopicHandler @ ~0.1.0 # Mandatory, can not be removed. Used by webinterface.
     MqttApiTopicHandler @ ~0.1.0 # Requires MqttService
diff --git a/config/configTiny.ini b/config/configTiny.ini
index f7d05d35..dd4df579 100644
--- a/config/configTiny.ini
+++ b/config/configTiny.ini
@@ -13,6 +13,7 @@ lib_deps =
     ;MqttService @ ~0.1.0
     TopicHandlerService @ ~0.1.0 # Mandatory, can not be removed.
     ;AudioService @ ~0.1.0
+    ;TimerService @ ~0.1.0
     # ********** Topic handlers **********
     RestApiTopicHandler @ ~0.1.0 # Mandatory, can not be removed. Used by webinterface.
     ;MqttApiTopicHandler @ ~0.1.0 # Requires MqttService
diff --git a/data/debug.html b/data/debug.html
index 634314d4..490a1a01 100644
--- a/data/debug.html
+++ b/data/debug.html
@@ -122,6 +122,7 @@ <h1 class="mt-5">Debug</h1>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/dialog.js"></script>
 
@@ -301,6 +302,7 @@ <h1 class="mt-5">Debug</h1>
             /* Execute after page is ready. */
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
 
                 $("#buttonInfo").click(function(e) {
diff --git a/data/display.html b/data/display.html
index bb5c4983..8fd874e9 100644
--- a/data/display.html
+++ b/data/display.html
@@ -128,6 +128,7 @@ <h1 class="mt-5">Display</h1>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/dialog.js"></script>
         <!-- Pixelix drag'n drop -->
@@ -769,6 +770,7 @@ <h1 class="mt-5">Display</h1>
                 ctx = displayCanvas.getContext("2d");
 
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
 
                 /* Connect to pixelix */
diff --git a/data/edit.html b/data/edit.html
index 1544d9a2..8f97298b 100644
--- a/data/edit.html
+++ b/data/edit.html
@@ -110,6 +110,7 @@ <h2>Files</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <script type="text/javascript" src="/js/dialog.js"></script>
@@ -391,6 +392,7 @@ <h2>Files</h2>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
 
                 $("#uploadFile").on("change", function() {
diff --git a/data/error.html b/data/error.html
index 0199906e..5940901f 100644
--- a/data/error.html
+++ b/data/error.html
@@ -54,10 +54,12 @@ <h1 class="mt-5">Error</h1>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/data/icons.html b/data/icons.html
index 47c517df..92f44e6a 100644
--- a/data/icons.html
+++ b/data/icons.html
@@ -91,6 +91,7 @@ <h2>Overview</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <script type="text/javascript" src="/js/dialog.js"></script>
@@ -226,6 +227,7 @@ <h2>Overview</h2>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
 
                 downloadFileList("overview");
diff --git a/data/index.html b/data/index.html
index c50cdc48..0d27c2db 100644
--- a/data/index.html
+++ b/data/index.html
@@ -56,10 +56,12 @@ <h1 class="mt-5">Welcome to</h1>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/data/info.html b/data/info.html
index 5b702261..4595261a 100644
--- a/data/info.html
+++ b/data/info.html
@@ -253,6 +253,7 @@ <h2>Filesystem</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- chart.js -->
         <script type="text/javascript" src="/js/rpie.js"></script>
 
@@ -307,6 +308,7 @@ <h2>Filesystem</h2>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
 
                 /* Draw the chart, showing the current situation on the heap. */
diff --git a/data/js/menu.js b/data/js/menu.js
index 7ad60b91..152e0aa2 100644
--- a/data/js/menu.js
+++ b/data/js/menu.js
@@ -13,6 +13,10 @@ menu.data = [{
 }, {
     "title": "Icons",
     "hyperRef": "/icons.html"
+}, {
+    "title": "Services",
+    "hyperRef": "#",
+    "subMenu": []
 }, {
     "title": "Settings",
     "hyperRef": "/settings.html"
diff --git a/data/settings.html b/data/settings.html
index 70291472..042e6328 100644
--- a/data/settings.html
+++ b/data/settings.html
@@ -68,6 +68,7 @@ <h1 class="mt-5">Settings</h1>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <script type="text/javascript" src="/js/dialog.js"></script>
@@ -101,6 +102,7 @@ <h1 class="mt-5">Settings</h1>
                 var index = 0;
 
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
 
                 restClient.getSettingKeys().then(function(result) {
diff --git a/data/update.html b/data/update.html
index efca4b69..f3902796 100644
--- a/data/update.html
+++ b/data/update.html
@@ -108,6 +108,7 @@ <h1 class="mt-5">Update</h1>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <script type="text/javascript" src="/js/dialog.js"></script>
@@ -358,6 +359,7 @@ <h1 class="mt-5">Update</h1>
             /* Execute after page is ready. */
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
 
                 $("#inputFile").on("change", function() {
diff --git a/include/PluginList.h b/include/PluginList.h
index 9944c9cd..3a67d681 100644
--- a/include/PluginList.h
+++ b/include/PluginList.h
@@ -62,8 +62,8 @@ namespace PluginList
  */
 typedef struct
 {
-    const char*                     name;       /**< Name of plugin type. */
-    IPluginMaintenance::CreateFunc  createFunc; /**< Plugin creation function */
+    const char*                    name;       /**< Name of plugin type. */
+    IPluginMaintenance::CreateFunc createFunc; /**< Plugin creation function */
 
 } Element;
 
@@ -73,15 +73,15 @@ typedef struct
 
 /**
  * Get list of provided plugins and their creation function.
- * 
+ *
  * @param[out] length   Length of list.
- * 
+ *
  * @return List of plugins.
  */
 const Element* getList(uint8_t& length);
 
-};
+}; /* namespace PluginList */
 
-#endif  /* PLUGIN_LIST_HPP */
+#endif /* PLUGIN_LIST_HPP */
 
 /** @} */
\ No newline at end of file
diff --git a/include/Services.h b/include/Services.h
index 2b64323f..715684dc 100644
--- a/include/Services.h
+++ b/include/Services.h
@@ -27,7 +27,7 @@
 /**
  * @brief  Services
  * @author Andreas Merkle <web@blue-andi.de>
- * 
+ *
  * @addtogroup service
  *
  * @{
@@ -59,13 +59,22 @@ namespace Services
  * Types and Classes
  *****************************************************************************/
 
+/**
+ * Service list element.
+ */
+typedef struct
+{
+    const char* name; /**< Name of service. */
+
+} Element;
+
 /******************************************************************************
  * Functions
  *****************************************************************************/
 
 /**
  * Start all services.
- * 
+ *
  * @return If successful started, it will return true otherwise false.
  */
 extern bool startAll();
@@ -80,8 +89,17 @@ extern void stopAll();
  */
 extern void processAll();
 
-}
+/**
+ * Get list of provided plugins and their creation function.
+ * 
+ * @param[out] length   Length of list.
+ * 
+ * @return List of plugins.
+ */
+const Element* getList(uint8_t& length);
+
+} /* namespace Services */
 
-#endif  /* SERVICES_H */
+#endif /* SERVICES_H */
 
 /** @} */
\ No newline at end of file
diff --git a/lib/BTCQuotePlugin/web/BTCQuotePlugin.html b/lib/BTCQuotePlugin/web/BTCQuotePlugin.html
index 7e44a67a..bcad0742 100644
--- a/lib/BTCQuotePlugin/web/BTCQuotePlugin.html
+++ b/lib/BTCQuotePlugin/web/BTCQuotePlugin.html
@@ -57,10 +57,12 @@ <h2>REST API</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/lib/BatteryPlugin/web/BatteryPlugin.html b/lib/BatteryPlugin/web/BatteryPlugin.html
index a39554cb..dd57a6f2 100644
--- a/lib/BatteryPlugin/web/BatteryPlugin.html
+++ b/lib/BatteryPlugin/web/BatteryPlugin.html
@@ -55,10 +55,12 @@ <h2>REST API</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/lib/CountdownPlugin/web/CountdownPlugin.html b/lib/CountdownPlugin/web/CountdownPlugin.html
index d5c52311..011ff4bb 100644
--- a/lib/CountdownPlugin/web/CountdownPlugin.html
+++ b/lib/CountdownPlugin/web/CountdownPlugin.html
@@ -97,6 +97,7 @@ <h3>Target Date</h3>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -198,6 +199,7 @@ <h3>Target Date</h3>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
                 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/DDPPlugin/web/DDPPlugin.html b/lib/DDPPlugin/web/DDPPlugin.html
index f453e58f..313713e6 100644
--- a/lib/DDPPlugin/web/DDPPlugin.html
+++ b/lib/DDPPlugin/web/DDPPlugin.html
@@ -94,10 +94,12 @@ <h2>REST API</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/lib/DateTimePlugin/web/DateTimePlugin.html b/lib/DateTimePlugin/web/DateTimePlugin.html
index 7875ab30..c031b07d 100644
--- a/lib/DateTimePlugin/web/DateTimePlugin.html
+++ b/lib/DateTimePlugin/web/DateTimePlugin.html
@@ -216,6 +216,7 @@ <h3>Display</h3>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -350,6 +351,7 @@ <h3>Display</h3>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/FirePlugin/web/FirePlugin.html b/lib/FirePlugin/web/FirePlugin.html
index 9c36982b..0089f616 100644
--- a/lib/FirePlugin/web/FirePlugin.html
+++ b/lib/FirePlugin/web/FirePlugin.html
@@ -55,10 +55,12 @@ <h2>REST API</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/lib/GameOfLifePlugin/web/GameOfLifePlugin.html b/lib/GameOfLifePlugin/web/GameOfLifePlugin.html
index c74c02e6..7791a6b8 100644
--- a/lib/GameOfLifePlugin/web/GameOfLifePlugin.html
+++ b/lib/GameOfLifePlugin/web/GameOfLifePlugin.html
@@ -55,10 +55,12 @@ <h2>REST API</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/lib/GrabViaMqttPlugin/web/GrabViaMqttPlugin.html b/lib/GrabViaMqttPlugin/web/GrabViaMqttPlugin.html
index d5813d7a..82e2350f 100644
--- a/lib/GrabViaMqttPlugin/web/GrabViaMqttPlugin.html
+++ b/lib/GrabViaMqttPlugin/web/GrabViaMqttPlugin.html
@@ -122,6 +122,7 @@ <h3>User</h3>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -224,6 +225,7 @@ <h3>User</h3>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
                 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/GrabViaRestPlugin/web/GrabViaRestPlugin.html b/lib/GrabViaRestPlugin/web/GrabViaRestPlugin.html
index dda5e2ac..c736ff26 100644
--- a/lib/GrabViaRestPlugin/web/GrabViaRestPlugin.html
+++ b/lib/GrabViaRestPlugin/web/GrabViaRestPlugin.html
@@ -127,6 +127,7 @@ <h3>User</h3>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -231,6 +232,7 @@ <h3>User</h3>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
                 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/GruenbeckPlugin/web/GruenbeckPlugin.html b/lib/GruenbeckPlugin/web/GruenbeckPlugin.html
index 374b03c7..a506bc48 100644
--- a/lib/GruenbeckPlugin/web/GruenbeckPlugin.html
+++ b/lib/GruenbeckPlugin/web/GruenbeckPlugin.html
@@ -81,6 +81,7 @@ <h3>IP-address</h3>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -172,6 +173,7 @@ <h3>IP-address</h3>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
                 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/IconTextLampPlugin/web/IconTextLampPlugin.html b/lib/IconTextLampPlugin/web/IconTextLampPlugin.html
index 58f37e15..0a13e598 100644
--- a/lib/IconTextLampPlugin/web/IconTextLampPlugin.html
+++ b/lib/IconTextLampPlugin/web/IconTextLampPlugin.html
@@ -149,6 +149,7 @@ <h3>Lamp</h3>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -315,6 +316,7 @@ <h3>Lamp</h3>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
                 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/IconTextPlugin/web/IconTextPlugin.html b/lib/IconTextPlugin/web/IconTextPlugin.html
index 37793193..e5b4ca1a 100644
--- a/lib/IconTextPlugin/web/IconTextPlugin.html
+++ b/lib/IconTextPlugin/web/IconTextPlugin.html
@@ -122,6 +122,7 @@ <h3>Text</h3>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -245,6 +246,7 @@ <h3>Text</h3>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
                 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/JustTextPlugin/web/JustTextPlugin.html b/lib/JustTextPlugin/web/JustTextPlugin.html
index bfd7c606..151597ce 100644
--- a/lib/JustTextPlugin/web/JustTextPlugin.html
+++ b/lib/JustTextPlugin/web/JustTextPlugin.html
@@ -104,6 +104,7 @@ <h3>Text</h3>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -225,6 +226,7 @@ <h3>Text</h3>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
                 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/MatrixPlugin/web/MatrixPlugin.html b/lib/MatrixPlugin/web/MatrixPlugin.html
index d6ac782e..a4df2893 100644
--- a/lib/MatrixPlugin/web/MatrixPlugin.html
+++ b/lib/MatrixPlugin/web/MatrixPlugin.html
@@ -55,10 +55,12 @@ <h2>REST API</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/lib/MqttApiTopicHandler/src/MqttApiTopicHandler.cpp b/lib/MqttApiTopicHandler/src/MqttApiTopicHandler.cpp
index 291a747f..b9ff0639 100644
--- a/lib/MqttApiTopicHandler/src/MqttApiTopicHandler.cpp
+++ b/lib/MqttApiTopicHandler/src/MqttApiTopicHandler.cpp
@@ -344,7 +344,7 @@ void MqttApiTopicHandler::publishTopicStatesOnDemand()
 
 void MqttApiTopicHandler::write(const String& deviceId, const String& entityId, const String& topic, const uint8_t* payload, size_t size, SetTopicFunc setTopicFunc, UploadReqFunc uploadReqFunc)
 {
-    const size_t            JSON_DOC_SIZE   = 1024U;
+    const size_t            JSON_DOC_SIZE   = 4096U;
     DynamicJsonDocument     jsonDoc(JSON_DOC_SIZE);
     DeserializationError    error           = deserializeJson(jsonDoc, payload, size);
 
@@ -436,7 +436,7 @@ void MqttApiTopicHandler::publish(const String& deviceId, const String& entityId
 {
     if (nullptr != getTopicFunc)
     {
-        const size_t        JSON_DOC_SIZE       = 1024U;
+        const size_t        JSON_DOC_SIZE       = 4096U;
         DynamicJsonDocument jsonDoc(JSON_DOC_SIZE);
         JsonObject          jsonObj             = jsonDoc.createNestedObject("data");
         String              mqttTopicNameBase   = deviceId + "/" + entityId + topic;
diff --git a/lib/MultiIconPlugin/web/MultiIconPlugin.html b/lib/MultiIconPlugin/web/MultiIconPlugin.html
index f2043ad9..e8f1bb39 100644
--- a/lib/MultiIconPlugin/web/MultiIconPlugin.html
+++ b/lib/MultiIconPlugin/web/MultiIconPlugin.html
@@ -115,6 +115,7 @@ <h3>Slot icons</h3>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -286,6 +287,7 @@ <h3>Slot icons</h3>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
                 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/OpenWeatherPlugin/web/OpenWeatherPlugin.html b/lib/OpenWeatherPlugin/web/OpenWeatherPlugin.html
index 7b54d878..b2e1b286 100644
--- a/lib/OpenWeatherPlugin/web/OpenWeatherPlugin.html
+++ b/lib/OpenWeatherPlugin/web/OpenWeatherPlugin.html
@@ -139,6 +139,7 @@ <h2>Configuration</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -282,6 +283,7 @@ <h2>Configuration</h2>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/RainbowPlugin/web/RainbowPlugin.html b/lib/RainbowPlugin/web/RainbowPlugin.html
index ff95f163..ba5a718b 100644
--- a/lib/RainbowPlugin/web/RainbowPlugin.html
+++ b/lib/RainbowPlugin/web/RainbowPlugin.html
@@ -55,10 +55,12 @@ <h2>REST API</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/lib/RestApiTopicHandler/src/RestApiTopicHandler.cpp b/lib/RestApiTopicHandler/src/RestApiTopicHandler.cpp
index a6d9b42e..80a56990 100644
--- a/lib/RestApiTopicHandler/src/RestApiTopicHandler.cpp
+++ b/lib/RestApiTopicHandler/src/RestApiTopicHandler.cpp
@@ -165,7 +165,7 @@ String RestApiTopicHandler::getBaseUri(const String& entityId)
 void RestApiTopicHandler::webReqHandler(AsyncWebServerRequest *request, TopicMetaData* topicMetaData)
 {
     String              content;
-    const size_t        JSON_DOC_SIZE   = 2048U;
+    const size_t        JSON_DOC_SIZE   = 4096U;
     DynamicJsonDocument jsonDoc(JSON_DOC_SIZE);
     JsonObject          dataObj         = jsonDoc.createNestedObject("data");
     uint32_t            httpStatusCode  = HttpStatus::STATUS_CODE_OK;
diff --git a/lib/SensorPlugin/web/SensorPlugin.html b/lib/SensorPlugin/web/SensorPlugin.html
index 2c8d45e8..47965492 100644
--- a/lib/SensorPlugin/web/SensorPlugin.html
+++ b/lib/SensorPlugin/web/SensorPlugin.html
@@ -86,6 +86,7 @@ <h3>Sensor and Channel</h3>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -252,6 +253,7 @@ <h3>Sensor and Channel</h3>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
                 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/SignalDetectorPlugin/web/SignalDetectorPlugin.html b/lib/SignalDetectorPlugin/web/SignalDetectorPlugin.html
index d7b109bd..05faac33 100644
--- a/lib/SignalDetectorPlugin/web/SignalDetectorPlugin.html
+++ b/lib/SignalDetectorPlugin/web/SignalDetectorPlugin.html
@@ -127,6 +127,7 @@ <h2>Configuration</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -240,6 +241,7 @@ <h2>Configuration</h2>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
                 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/SoundReactivePlugin/web/SoundReactivePlugin.html b/lib/SoundReactivePlugin/web/SoundReactivePlugin.html
index b9652cfa..b5a1e81f 100644
--- a/lib/SoundReactivePlugin/web/SoundReactivePlugin.html
+++ b/lib/SoundReactivePlugin/web/SoundReactivePlugin.html
@@ -90,6 +90,7 @@ <h3>Number of frequency bands</h3>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -180,6 +181,7 @@ <h3>Number of frequency bands</h3>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/SunrisePlugin/web/SunrisePlugin.html b/lib/SunrisePlugin/web/SunrisePlugin.html
index 408f11be..50a6b0d4 100644
--- a/lib/SunrisePlugin/web/SunrisePlugin.html
+++ b/lib/SunrisePlugin/web/SunrisePlugin.html
@@ -91,6 +91,7 @@ <h3>Location</h3>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -184,6 +185,7 @@ <h3>Location</h3>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
                 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/SysMsgPlugin/web/SysMsgPlugin.html b/lib/SysMsgPlugin/web/SysMsgPlugin.html
index cec81a16..e660dbdf 100644
--- a/lib/SysMsgPlugin/web/SysMsgPlugin.html
+++ b/lib/SysMsgPlugin/web/SysMsgPlugin.html
@@ -55,10 +55,12 @@ <h2>REST API</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/lib/TempHumidPlugin/web/TempHumidPlugin.html b/lib/TempHumidPlugin/web/TempHumidPlugin.html
index a754152c..42e9f1d1 100644
--- a/lib/TempHumidPlugin/web/TempHumidPlugin.html
+++ b/lib/TempHumidPlugin/web/TempHumidPlugin.html
@@ -56,10 +56,12 @@ <h2>REST API</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/lib/TestPlugin/web/TestPlugin.html b/lib/TestPlugin/web/TestPlugin.html
index 07daa3a6..7377ad95 100644
--- a/lib/TestPlugin/web/TestPlugin.html
+++ b/lib/TestPlugin/web/TestPlugin.html
@@ -55,10 +55,12 @@ <h2>REST API</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/lib/TimerService/src/TimerService.cpp b/lib/TimerService/src/TimerService.cpp
new file mode 100644
index 00000000..a7375bba
--- /dev/null
+++ b/lib/TimerService/src/TimerService.cpp
@@ -0,0 +1,350 @@
+/* MIT License
+ *
+ * Copyright (c) 2019 - 2024 Andreas Merkle <web@blue-andi.de>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*******************************************************************************
+    DESCRIPTION
+*******************************************************************************/
+/**
+ * @brief  Timer service
+ * @author Andreas Merkle <web@blue-andi.de>
+ */
+
+/******************************************************************************
+ * Includes
+ *****************************************************************************/
+#include "TimerService.h"
+
+#include <Logging.h>
+#include <JsonFile.h>
+#include <ClockDrv.h>
+#include <Display.h>
+#include <DisplayMgr.h>
+#include <FileSystem.h>
+#include <TopicHandlerService.h>
+#include <SettingsService.h>
+#include <Util.h>
+
+/******************************************************************************
+ * Compiler Switches
+ *****************************************************************************/
+
+/******************************************************************************
+ * Macros
+ *****************************************************************************/
+
+/******************************************************************************
+ * Types and classes
+ *****************************************************************************/
+
+/******************************************************************************
+ * Prototypes
+ *****************************************************************************/
+
+/******************************************************************************
+ * Local Variables
+ *****************************************************************************/
+
+/* Initialize constant values. */
+const char* TimerService::FILE_NAME = "/configuration/timerService.json";
+const char* TimerService::TOPIC     = "/timer";
+const char* TimerService::ENTITY    = "timerService";
+
+/******************************************************************************
+ * Public Methods
+ *****************************************************************************/
+
+bool TimerService::start()
+{
+    bool                        isSuccessful = true;
+    SettingsService&            settings     = SettingsService::getInstance();
+    JsonObjectConst             jsonExtra;
+    ITopicHandler::GetTopicFunc getTopicFunc =
+        [this](const String& topic, JsonObject& jsonValue) -> bool {
+        return this->getTopic(topic, jsonValue);
+    };
+    TopicHandlerService::HasChangedFunc hasChangedFunc =
+        [this](const String& topic) -> bool {
+        return this->hasTopicChanged(topic);
+    };
+    ITopicHandler::SetTopicFunc setTopicFunc =
+        [this](const String& topic, const JsonObjectConst& jsonValue) -> bool {
+        return this->setTopic(topic, jsonValue);
+    };
+
+    if (false == settings.open(true))
+    {
+        m_deviceId = settings.getHostname().getDefault();
+    }
+    else
+    {
+        m_deviceId = settings.getHostname().getValue();
+
+        settings.close();
+    }
+
+    if (false == loadSettings())
+    {
+        saveSettings();
+    }
+
+    TopicHandlerService::getInstance().registerTopic(m_deviceId, ENTITY, TOPIC, jsonExtra, getTopicFunc, hasChangedFunc, setTopicFunc, nullptr);
+
+    if (false == isSuccessful)
+    {
+        stop();
+    }
+    else
+    {
+        LOG_INFO("Timer service started.");
+    }
+
+    return isSuccessful;
+}
+
+void TimerService::stop()
+{
+    TopicHandlerService::getInstance().unregisterTopic(m_deviceId, ENTITY, TOPIC);
+
+    LOG_INFO("Timer service stopped.");
+}
+
+void TimerService::process()
+{
+    ClockDrv& clockDrv = ClockDrv::getInstance();
+    struct tm time;
+
+    if (true == clockDrv.getTime(time))
+    {
+        MutexGuard<Mutex> guard(m_mutex);
+        size_t            idx;
+
+        for (idx = 0U; idx < MAX_TIMER_COUNT; ++idx)
+        {
+            if (true == m_settings[idx].isEnabled())
+            {
+                if (true == m_settings[idx].isSignalling(time))
+                {
+                    TimerSetting::DisplayState displayState = m_settings[idx].getDisplayState();
+                    int16_t                    brightness   = m_settings[idx].getBrightness();
+
+                    if (TimerSetting::DISPLAY_STATE_ON == displayState)
+                    {
+                        LOG_INFO("Timer %u is switching display on.", idx);
+
+                        Display::getInstance().on();
+                    }
+                    else if (TimerSetting::DISPLAY_STATE_OFF == displayState)
+                    {
+                        LOG_INFO("Timer %u is switching display off.", idx);
+
+                        Display::getInstance().off();
+                    }
+                    else
+                    {
+                        ;
+                    }
+
+                    if ((0 <= brightness) && (255 >= brightness))
+                    {
+                        LOG_INFO("Timer %u is setting brightness to %d.", idx, brightness);
+
+                        DisplayMgr::getInstance().setBrightness(static_cast<uint8_t>(brightness));
+                    }
+                }
+            }
+        }
+    }
+}
+
+/******************************************************************************
+ * Protected Methods
+ *****************************************************************************/
+
+/******************************************************************************
+ * Private Methods
+ *****************************************************************************/
+
+void TimerService::clear()
+{
+    size_t idx;
+
+    for (idx = 0U; idx < MAX_TIMER_COUNT; ++idx)
+    {
+        m_settings[idx].clear();
+    }
+}
+
+bool TimerService::loadSettings()
+{
+    bool                isSuccessful = false;
+    const size_t        JSON_SIZE    = 1024U;
+    DynamicJsonDocument jsonDoc(JSON_SIZE);
+    JsonFile            jsonFile(FILESYSTEM);
+
+    if (false == jsonFile.load(FILE_NAME, jsonDoc))
+    {
+        LOG_WARNING("Failed to load timer settings.");
+    }
+    else
+    {
+        JsonVariantConst jsonTimerSettings = jsonDoc["timerSettings"];
+
+        if (false == jsonTimerSettings.is<JsonArrayConst>())
+        {
+            LOG_ERROR("No timer settings found.");
+        }
+        else
+        {
+            JsonArrayConst jsonTimerSettingsArray = jsonTimerSettings.as<JsonArrayConst>();
+            size_t         idx                    = 0U;
+
+            clear();
+
+            for (JsonObjectConst jsonTimerSetting : jsonTimerSettingsArray)
+            {
+                if (false == m_settings[idx].fromJson(jsonTimerSetting))
+                {
+                    LOG_WARNING("Failed to load timer setting %u.", idx);
+                }
+                else
+                {
+                    ++idx;
+                }
+
+                if (MAX_TIMER_COUNT <= idx)
+                {
+                    break;
+                }
+            }
+
+            m_hasSettingsChanged = true;
+
+            isSuccessful         = true;
+        }
+    }
+
+    return isSuccessful;
+}
+
+bool TimerService::saveSettings()
+{
+    bool                isSuccessful = false;
+    const size_t        JSON_SIZE    = 1024U;
+    DynamicJsonDocument jsonDoc(JSON_SIZE);
+    JsonArray           jsonTimerSettings = jsonDoc.createNestedArray("timerSettings");
+    JsonFile            jsonFile(FILESYSTEM);
+    size_t              idx;
+
+    for (idx = 0U; idx < MAX_TIMER_COUNT; ++idx)
+    {
+        JsonObject jsonTimerSetting = jsonTimerSettings.createNestedObject();
+
+        m_settings[idx].toJson(jsonTimerSetting);
+    }
+
+    if (false == jsonFile.save(FILE_NAME, jsonDoc))
+    {
+        LOG_ERROR("Failed to save timer settings.");
+    }
+    else
+    {
+        isSuccessful = true;
+    }
+
+    return isSuccessful;
+}
+
+bool TimerService::getTopic(const String& topic, JsonObject& jsonValue)
+{
+    size_t            idx;
+    JsonArray         jsonTimerSettings = jsonValue.createNestedArray("timerSettings");
+    MutexGuard<Mutex> guard(m_mutex);
+
+    /* The callback is dedicated to a topic, therefore the
+     * topic parameter is not used.
+     */
+    UTIL_NOT_USED(topic);
+
+    for (idx = 0U; idx < MAX_TIMER_COUNT; ++idx)
+    {
+        JsonObject jsonTimerSetting = jsonTimerSettings.createNestedObject();
+
+        m_settings[idx].toJson(jsonTimerSetting);
+    }
+
+    return true;
+}
+
+bool TimerService::hasTopicChanged(const String& topic)
+{
+    bool hasChanged      = m_hasSettingsChanged;
+
+    m_hasSettingsChanged = false;
+
+    return hasChanged;
+}
+
+bool TimerService::setTopic(const String& topic, const JsonObjectConst& jsonValue)
+{
+    bool              isSuccessful = false;
+    size_t            idx;
+    JsonVariantConst  jsonTimerSettings = jsonValue["timerSettings"];
+    MutexGuard<Mutex> guard(m_mutex);
+
+    /* The callback is dedicated to a topic, therefore the
+     * topic parameter is not used.
+     */
+    UTIL_NOT_USED(topic);
+
+    if (true == jsonTimerSettings.is<JsonArrayConst>())
+    {
+        JsonArrayConst jsonTimerSettingsArray = jsonTimerSettings.as<JsonArrayConst>();
+        size_t         count                  = (MAX_TIMER_COUNT >= jsonTimerSettingsArray.size()) ? jsonTimerSettingsArray.size() : MAX_TIMER_COUNT;
+
+        for (idx = 0U; idx < count; ++idx)
+        {
+            if (false == m_settings[idx].fromJson(jsonTimerSettingsArray[idx]))
+            {
+                LOG_WARNING("Failed to set timer setting %u.", idx);
+            }
+        }
+
+        m_hasSettingsChanged = true;
+        isSuccessful         = true;
+    }
+
+    if (true == isSuccessful)
+    {
+        isSuccessful = saveSettings();
+    }
+
+    return isSuccessful;
+}
+
+/******************************************************************************
+ * External Functions
+ *****************************************************************************/
+
+/******************************************************************************
+ * Local Functions
+ *****************************************************************************/
diff --git a/lib/TimerService/src/TimerService.h b/lib/TimerService/src/TimerService.h
new file mode 100644
index 00000000..9c7df7b9
--- /dev/null
+++ b/lib/TimerService/src/TimerService.h
@@ -0,0 +1,189 @@
+/* MIT License
+ *
+ * Copyright (c) 2019 - 2024 Andreas Merkle <web@blue-andi.de>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*******************************************************************************
+    DESCRIPTION
+*******************************************************************************/
+/**
+ * @brief  Timer service
+ * @author Andreas Merkle <web@blue-andi.de>
+ *
+ * @addtogroup timer_service
+ *
+ * @{
+ */
+
+#ifndef TIMER_SERVICE_H
+#define TIMER_SERVICE_H
+
+/******************************************************************************
+ * Includes
+ *****************************************************************************/
+#include <stdint.h>
+#include <IService.hpp>
+#include <Mutex.hpp>
+
+#include "TimerSetting.h"
+
+/******************************************************************************
+ * Compiler Switches
+ *****************************************************************************/
+
+/******************************************************************************
+ * Macros
+ *****************************************************************************/
+
+/******************************************************************************
+ * Types and Classes
+ *****************************************************************************/
+
+/**
+ * The timer service provides a timer functionality to switch on/off the
+ * display and set the brightness level on specific times.
+ */
+class TimerService : public IService
+{
+public:
+
+    /**
+     * Get the timer service instance.
+     *
+     * @return Timer service instance
+     */
+    static TimerService& getInstance()
+    {
+        static TimerService instance; /* idiom */
+
+        return instance;
+    }
+
+    /**
+     * Start the timer service.
+     */
+    bool start() final;
+
+    /**
+     * Stop the timer service.
+     */
+    void stop() final;
+
+    /**
+     * Process the service.
+     */
+    void process() final;
+
+private:
+
+    static const uint8_t MAX_TIMER_COUNT = 8U; /**< Maximum number of timer. */
+    static const char*   FILE_NAME;            /**< File name of the timer settings. */
+    static const char*   TOPIC;                /**< Topic for timer settings. */
+    static const char*   ENTITY;               /**< Entity for timer settings. */
+
+    String               m_deviceId;                  /**< Device id. */
+    TimerSetting         m_settings[MAX_TIMER_COUNT]; /**< Timer settings. */
+    bool                 m_hasSettingsChanged;        /**< Has any timer setting changed since last request? */
+    Mutex                m_mutex;                     /**< Mutex to protect the settings. */
+
+    TimerService(const TimerService& drv);
+    TimerService& operator=(const TimerService& drv);
+
+    /**
+     * Constructs the timer service instance.
+     */
+    TimerService() :
+        IService(),
+        m_deviceId(),
+        m_settings(),
+        m_hasSettingsChanged(true),
+        m_mutex()
+    {
+    }
+
+    /**
+     * Destroys the timer service instance.
+     */
+    ~TimerService()
+    {
+        /* Never called. */
+    }
+
+    /**
+     * Clear all timer settings.
+     */
+    void clear();
+
+    /**
+     * Load timer settings from file.
+     *
+     * @return If successful, it will return true otherwise false.
+     */
+    bool loadSettings();
+
+    /**
+     * Save timer settings to file.
+     *
+     * @return If successful, it will return true otherwise false.
+     */
+    bool saveSettings();
+
+    /**
+     * Get timer settings.
+     *
+     * @param[in]       topic       The topic name.
+     * @param[in,out]   jsonValue   The JSON value.
+     *
+     * @return If successful, it will return true otherwise false.
+     */
+    bool getTopic(const String& topic, JsonObject& jsonValue);
+
+    /**
+     * Has any timer setting changed since last request?
+     *
+     * @param[in] topic The topic name.
+     *
+     * @return If changed, it will return true otherwise false.
+     */
+    bool hasTopicChanged(const String& topic);
+
+    /**
+     * Set timer settings.
+     *
+     * @param[in] topic The topic name.
+     * @param[in] value The JSON value.
+     *
+     * @return If successful, it will return true otherwise false.
+     */
+    bool setTopic(const String& topic, const JsonObjectConst& value);
+};
+
+/******************************************************************************
+ * Variables
+ *****************************************************************************/
+
+/******************************************************************************
+ * Functions
+ *****************************************************************************/
+
+#endif /* TIMER_SERVICE_H */
+
+/** @} */
\ No newline at end of file
diff --git a/lib/TimerService/src/TimerSetting.cpp b/lib/TimerService/src/TimerSetting.cpp
new file mode 100644
index 00000000..1b440ff6
--- /dev/null
+++ b/lib/TimerService/src/TimerSetting.cpp
@@ -0,0 +1,221 @@
+/* MIT License
+ *
+ * Copyright (c) 2019 - 2024 Andreas Merkle <web@blue-andi.de>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*******************************************************************************
+    DESCRIPTION
+*******************************************************************************/
+/**
+ * @brief  Timer setting
+ * @author Andreas Merkle <web@blue-andi.de>
+ */
+
+/******************************************************************************
+ * Includes
+ *****************************************************************************/
+#include "TimerSetting.h"
+
+/******************************************************************************
+ * Compiler Switches
+ *****************************************************************************/
+
+/******************************************************************************
+ * Macros
+ *****************************************************************************/
+
+/******************************************************************************
+ * Types and classes
+ *****************************************************************************/
+
+/******************************************************************************
+ * Prototypes
+ *****************************************************************************/
+
+/******************************************************************************
+ * Local Variables
+ *****************************************************************************/
+
+/******************************************************************************
+ * Public Methods
+ *****************************************************************************/
+
+void TimerSetting::clear()
+{
+    m_isEnabled    = false;
+    m_hour         = 0U;
+    m_minute       = 0U;
+    m_daysOfWeek   = 0U;
+    m_displayState = DISPLAY_STATE_NONE;
+    m_brightness   = -1;
+}
+
+void TimerSetting::toJson(JsonObject& jsonTimerSetting) const
+{
+    jsonTimerSetting["enabled"]      = m_isEnabled;
+    jsonTimerSetting["hour"]         = m_hour;
+    jsonTimerSetting["minute"]       = m_minute;
+    jsonTimerSetting["sunday"]       = isDayOfWeek(0U);
+    jsonTimerSetting["monday"]       = isDayOfWeek(1U);
+    jsonTimerSetting["tuesday"]      = isDayOfWeek(2U);
+    jsonTimerSetting["wednesday"]    = isDayOfWeek(3U);
+    jsonTimerSetting["thursday"]     = isDayOfWeek(4U);
+    jsonTimerSetting["friday"]       = isDayOfWeek(5U);
+    jsonTimerSetting["saturday"]     = isDayOfWeek(6U);
+    jsonTimerSetting["displayState"] = m_displayState;
+    jsonTimerSetting["brightness"]   = m_brightness;
+}
+
+bool TimerSetting::fromJson(const JsonObjectConst& jsonTimerSetting)
+{
+    bool             isSuccessful     = false;
+    JsonVariantConst jsonEnabled      = jsonTimerSetting["enabled"];
+    JsonVariantConst jsonHour         = jsonTimerSetting["hour"];
+    JsonVariantConst jsonMinute       = jsonTimerSetting["minute"];
+    JsonVariantConst jsonSunday       = jsonTimerSetting["sunday"];
+    JsonVariantConst jsonMonday       = jsonTimerSetting["monday"];
+    JsonVariantConst jsonTuesday      = jsonTimerSetting["tuesday"];
+    JsonVariantConst jsonWednesday    = jsonTimerSetting["wednesday"];
+    JsonVariantConst jsonThursday     = jsonTimerSetting["thursday"];
+    JsonVariantConst jsonFriday       = jsonTimerSetting["friday"];
+    JsonVariantConst jsonSaturday     = jsonTimerSetting["saturday"];
+    JsonVariantConst jsonDisplayState = jsonTimerSetting["displayState"];
+    JsonVariantConst jsonBrightness   = jsonTimerSetting["brightness"];
+
+    if ((false == jsonEnabled.isNull()) &&
+        (false == jsonHour.isNull()) &&
+        (false == jsonMinute.isNull()) &&
+        (false == jsonSunday.isNull()) &&
+        (false == jsonMonday.isNull()) &&
+        (false == jsonTuesday.isNull()) &&
+        (false == jsonWednesday.isNull()) &&
+        (false == jsonThursday.isNull()) &&
+        (false == jsonFriday.isNull()) &&
+        (false == jsonSaturday.isNull()) &&
+        (false == jsonDisplayState.isNull()) &&
+        (false == jsonBrightness.isNull()))
+    {
+        clear();
+
+        m_hour         = jsonHour.as<uint8_t>();
+        m_minute       = jsonMinute.as<uint8_t>();
+        m_displayState = static_cast<DisplayState>(jsonDisplayState.as<uint8_t>());
+        m_brightness   = jsonBrightness.as<int16_t>();
+
+        if (true == jsonEnabled.is<bool>())
+        {
+            m_isEnabled = jsonEnabled.as<bool>();
+        }
+        else if (true == jsonEnabled.as<String>().equals("false"))
+        {
+            m_isEnabled = false;
+        }
+        else
+        {
+            m_isEnabled = true;
+        }
+
+        if (((true == jsonSunday.is<bool>()) && (true == jsonSunday.as<bool>())) ||
+            (true == jsonSunday.as<String>().equals("true")))
+        {
+            m_daysOfWeek |= (1U << 0U);
+        }
+
+        if (((true == jsonMonday.is<bool>()) && (true == jsonMonday.as<bool>())) ||
+            (true == jsonMonday.as<String>().equals("true")))
+        {
+            m_daysOfWeek |= (1U << 1U);
+        }
+
+        if (((true == jsonTuesday.is<bool>()) && (true == jsonTuesday.as<bool>())) ||
+            (true == jsonTuesday.as<String>().equals("true")))
+        {
+            m_daysOfWeek |= (1U << 2U);
+        }
+
+        if (((true == jsonWednesday.is<bool>()) && (true == jsonWednesday.as<bool>())) ||
+            (true == jsonWednesday.as<String>().equals("true")))
+        {
+            m_daysOfWeek |= (1U << 3U);
+        }
+
+        if (((true == jsonThursday.is<bool>()) && (true == jsonThursday.as<bool>())) ||
+            (true == jsonThursday.as<String>().equals("true")))
+        {
+            m_daysOfWeek |= (1U << 4U);
+        }
+
+        if (((true == jsonFriday.is<bool>()) && (true == jsonFriday.as<bool>())) ||
+            (true == jsonFriday.as<String>().equals("true")))
+        {
+            m_daysOfWeek |= (1U << 5U);
+        }
+
+        if (((true == jsonSaturday.is<bool>()) && (true == jsonSaturday.as<bool>())) ||
+            (true == jsonSaturday.as<String>().equals("true")))
+        {
+            m_daysOfWeek |= (1U << 6U);
+        }
+
+        isSuccessful = true;
+    }
+
+    return isSuccessful;
+}
+
+bool TimerSetting::isSignalling(const struct tm& currentTime)
+{
+    bool isSignalling = (m_hour == currentTime.tm_hour) && (m_minute == currentTime.tm_min) && isDayOfWeek(currentTime.tm_wday);
+
+    if (true == isSignalling)
+    {
+        if (false == m_isSignalling)
+        {
+            m_isSignalling = true;
+        }
+        else
+        {
+            isSignalling = false;
+        }
+    }
+    else
+    {
+        m_isSignalling = false;
+    }
+
+    return isSignalling;
+}
+
+/******************************************************************************
+ * Protected Methods
+ *****************************************************************************/
+
+/******************************************************************************
+ * Private Methods
+ *****************************************************************************/
+
+/******************************************************************************
+ * External Functions
+ *****************************************************************************/
+
+/******************************************************************************
+ * Local Functions
+ *****************************************************************************/
diff --git a/lib/TimerService/src/TimerSetting.h b/lib/TimerService/src/TimerSetting.h
new file mode 100644
index 00000000..29d1f460
--- /dev/null
+++ b/lib/TimerService/src/TimerSetting.h
@@ -0,0 +1,187 @@
+/* MIT License
+ *
+ * Copyright (c) 2019 - 2024 Andreas Merkle <web@blue-andi.de>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*******************************************************************************
+    DESCRIPTION
+*******************************************************************************/
+/**
+ * @brief  Timer setting
+ * @author Andreas Merkle <web@blue-andi.de>
+ *
+ * @addtogroup timer_service
+ *
+ * @{
+ */
+
+#ifndef TIMER_SETTING_H
+#define TIMER_SETTING_H
+
+/******************************************************************************
+ * Includes
+ *****************************************************************************/
+#include <stdint.h>
+#include <IService.hpp>
+#include <ArduinoJson.h>
+
+/******************************************************************************
+ * Compiler Switches
+ *****************************************************************************/
+
+/******************************************************************************
+ * Macros
+ *****************************************************************************/
+
+/******************************************************************************
+ * Types and Classes
+ *****************************************************************************/
+
+/**
+ * Single timer setting.
+ */
+class TimerSetting
+{
+public:
+
+    /** Generic display state which is request to be set. */
+    enum DisplayState : uint8_t
+    {
+        DISPLAY_STATE_NONE = 0, /**< No action */
+        DISPLAY_STATE_ON,       /**< Switch on */
+        DISPLAY_STATE_OFF       /**< Switch off */
+    };
+
+    /**
+     * Constructs a timer setting.
+     */
+    TimerSetting() :
+        m_isEnabled(false),
+        m_hour(0U),
+        m_minute(0U),
+        m_daysOfWeek(0U),
+        m_displayState(DISPLAY_STATE_NONE),
+        m_brightness(-1),
+        m_isSignalling(false)
+    {
+    }
+
+    /**
+     * Destroys a timer setting.
+     */
+    ~TimerSetting()
+    {
+    }
+
+    /**
+     * Clear timer setting to default values.
+     */
+    void clear();
+
+    /**
+     * Convert setting to JSON.
+     *
+     * @param[out] json JSON object destination.
+     */
+    void toJson(JsonObject& jsonTimerSetting) const;
+
+    /**
+     * Convert from JSON to setting.
+     *
+     * @param[in] jsonTimerSetting  JSON object source.
+     *
+     * @return If successful, it will return true otherwise false.
+     */
+    bool fromJson(const JsonObjectConst& jsonTimerSetting);
+
+    /**
+     * Is timer enabled?
+     *
+     * @return If enabled, it will return true otherwise false.
+     */
+    bool isEnabled() const
+    {
+        return m_isEnabled;
+    }
+
+    /**
+     * Is timer signalling?
+     *
+     * @param[in] currentTime   Current time.
+     *
+     * @return If signalling, it will return true otherwise false.
+     */
+    bool isSignalling(const struct tm& currentTime);
+
+    /**
+     * Get display state.
+     *
+     * @return Display state.
+     */
+    DisplayState getDisplayState() const
+    {
+        return m_displayState;
+    }
+
+    /**
+     * Get brightness level.
+     *
+     * @return Brightness level ([0; 255], otherwise disabled).
+     */
+    int16_t getBrightness() const
+    {
+        return m_brightness;
+    }
+
+private:
+
+    bool         m_isEnabled;    /**< Is timer enabled? */
+    uint8_t      m_hour;         /**< Hour */
+    uint8_t      m_minute;       /**< Minute */
+    uint32_t     m_daysOfWeek;   /**< Days of week (bit 0: Su, bit 1: Mo and etc.) */
+    DisplayState m_displayState; /**< Display state to set. */
+    int16_t      m_brightness;   /**< Brightness level ([0; 255], otherwise disabled) to set. */
+    bool         m_isSignalling; /**< Is timer signalling? Used to signal just once. */
+
+    /**
+     * Get the day of week.
+     *
+     * @param[in] dayOfWeek Day of week.
+     *
+     * @return If day is set, it will return true otherwise false.
+     */
+    bool isDayOfWeek(uint32_t dayOfWeek) const
+    {
+        return (0 != (m_daysOfWeek & (1U << dayOfWeek)));
+    }
+};
+
+/******************************************************************************
+ * Variables
+ *****************************************************************************/
+
+/******************************************************************************
+ * Functions
+ *****************************************************************************/
+
+#endif /* TIMER_SETTING_H */
+
+/** @} */
\ No newline at end of file
diff --git a/lib/TimerService/web/TimerService.html b/lib/TimerService/web/TimerService.html
new file mode 100644
index 00000000..1a9b381c
--- /dev/null
+++ b/lib/TimerService/web/TimerService.html
@@ -0,0 +1,359 @@
+<!doctype html>
+<html lang="en" data-bs-theme="dark">
+    <head>
+        <meta charset="utf-8" />
+        <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
+
+        <!-- Styles -->
+        <link rel="stylesheet" type="text/css" href="/style/bootstrap.min.css" />
+        <link rel="stylesheet" type="text/css" href="/style/sticky-footer-navbar.css" />
+        <link rel="stylesheet" type="text/css" href="/style/style.css" />
+
+        <title>PIXELIX</title>
+        <link rel="shortcut icon" type="image/png" href="/favicon.png" />
+    </head>
+    <body class="d-flex flex-column h-100">
+        <header>
+            <!-- Fixed navbar -->
+            <nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark">
+                <a class="navbar-brand" href="/index.html">
+                    <img src="/images/LogoSmall.png" alt="PIXELIX" />
+                </a>
+                <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
+                    <span class="navbar-toggler-icon"></span>
+                </button>
+                <div class="collapse navbar-collapse" id="navbarCollapse">
+                    <ul class="navbar-nav mr-auto" id="menu">
+                    </ul>
+                </div>
+            </nav>
+        </header>
+
+        <!-- Begin page content -->
+        <main role="main" class="flex-shrink-0">
+            <div class="container">
+                <h1 class="mt-5">TimerService</h1>
+                <p>Use the timers to control the display on/off state and its brightness level in %.</p>
+                <p>Notes:</p>
+                <ul>
+                    <li>Timer settings are only active, if the timer is enabled.</li>
+                    <li>For the brightness level, the value range is from 0% to 100%.</li>
+                    <li>To avoid any brightness change, use the value -1.</li>
+                    <li>The brightness adjustment will be applied only if the automatic brightness adjustment is disabled.</li>
+                </ul>
+                <form id="myForm" action="javascript:save()">
+                </form>
+            </div>
+        </main>
+
+        <!-- Footer -->
+        <footer class="footer mt-auto py-3">
+            <div class="container">
+                <hr />
+                <span class="text-secondary">(C) 2019 - 2024 Andreas Merkle (web@blue-andi.de)</span><br />
+                <span class="text-secondary"><a href="https://github.com/BlueAndi/Pixelix/blob/master/LICENSE">MIT License</a></span>
+            </div>
+        </footer>
+
+        <!-- jQuery, and Bootstrap JS bundle -->
+        <script type="text/javascript" src="/js/jquery-3.7.1.slim.min.js"></script>
+        <script type="text/javascript" src="/js/bootstrap.bundle.min.js"></script>
+        <!-- Pixelix menu -->
+        <script type="text/javascript" src="/js/menu.js"></script>
+        <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
+        <!-- Pixelix utilities -->
+        <script type="text/javascript" src="/js/utils.js"></script>
+        <!-- Pixelix REST API -->
+        <script type="text/javascript" src="/js/rest.js"></script>
+
+        <script>
+
+            var restClient = new pixelix.rest.Client();
+            var timerSettingsCount = 0;
+
+            function enableUI() {
+                utils.enableForm("myForm", true);
+            }
+
+            function disableUI() {
+                utils.enableForm("myForm", false);
+            }
+
+            function clearAllTimerSettings() {
+                $("#myForm").empty();
+            }
+
+            function createFormGroup(elements) {
+                var $formGroup = $("<div class='form-group'></div>");
+                var idx;
+
+                for (idx = 0; idx < elements.length; ++idx) {
+                    $formGroup.append(elements[idx]);
+                }
+                
+                return $formGroup;
+            }
+
+            function createFormCheck(elements) {
+                var $formGroup = $("<div class='form-check'></div>");
+                var idx;
+
+                for (idx = 0; idx < elements.length; ++idx) {
+                    $formGroup.append(elements[idx]);
+                }
+                
+                return $formGroup;
+            }
+
+            function createFormCheckInline(elements) {
+                var $formGroup = $("<div class='form-check form-check-inline'></div>");
+                var idx;
+
+                for (idx = 0; idx < elements.length; ++idx) {
+                    $formGroup.append(elements[idx]);
+                }
+                
+                return $formGroup;
+            }
+
+            function createInputGroup(elements) {
+                var $formGroup = $("<div class='input-group'></div>");
+                var idx;
+
+                for (idx = 0; idx < elements.length; ++idx) {
+                    $formGroup.append(elements[idx]);
+                }
+                
+                return $formGroup;
+            }
+
+            function brightnessValueToPercent(value) {
+                if (0 > value) {
+                    return -1;
+                }
+
+                return Math.ceil(value * 100 / 255);
+            }
+
+            function brightnessPercentToValue(percent) {
+                if (0 > percent) {
+                    return -1;
+                }
+                
+                return Math.ceil(percent * 255 / 100);
+            }
+
+            function createTimerSetting(id, timerSetting) {
+                var $block = $("<div class='h-100 p-5 bg-body-tertiary border rounded-3 mt-2'></div>");
+                var $row = $("<div class='row'></div>")
+                
+                var $checkboxEnabled = $("<input type='checkbox' class='form-check-input' id='" + id + "Enabled' />")
+                                        .prop("checked", timerSetting.enabled);
+                var $labelEnabled = $("<label class='form-check-label' for='" + id + "Enabled'>Enabled</label>");
+
+                var $labelHour = $("<label for='" + id + "Hour'>Hour:</label>");
+                var $inputHour = $("<input type='number' class='form-control' id='" + id + "Hour' min='0' max='23' />")
+                                    .val(timerSetting.hour);
+
+                var $labelMinute = $("<label for='" + id + "Minute'>Minute:</label>");
+                var $inputMinute = $("<input type='number' class='form-control' id='" + id + "Minute' min='0' max='59' />")
+                                    .val(timerSetting.minute);
+
+                var $checkboxMo = $("<input type='checkbox' class='form-check-input' id='" + id + "Mo' />")
+                                    .prop("checked", timerSetting.monday);
+                var $labelMo = $("<label class='form-check-label' for='" + id + "Mo'>Mo</label>");
+
+                var $checkboxTu = $("<input type='checkbox' class='form-check-input' id='" + id + "Tu' />")
+                                    .prop("checked", timerSetting.tuesday);
+                var $labelTu = $("<label class='form-check-label' for='" + id + "Tu'>Tu</label>");
+
+                var $checkboxWe = $("<input type='checkbox' class='form-check-input' id='" + id + "We' />")
+                                    .prop("checked", timerSetting.wednesday);
+                var $labelWe = $("<label class='form-check-label' for='" + id + "We'>We</label>");
+
+                var $checkboxTh = $("<input type='checkbox' class='form-check-input' id='" + id + "Th' />")
+                                    .prop("checked", timerSetting.thursday);
+                var $labelTh = $("<label class='form-check-label' for='" + id + "Th'>Th</label>");
+
+                var $checkboxFr = $("<input type='checkbox' class='form-check-input' id='" + id + "Fr' />")
+                                    .prop("checked", timerSetting.friday);
+                var $labelFr = $("<label class='form-check-label' for='" + id + "Fr'>Fr</label>");
+
+                var $checkboxSa = $("<input type='checkbox' class='form-check-input' id='" + id + "Sa' />")
+                                    .prop("checked", timerSetting.saturday);
+                var $labelSa = $("<label class='form-check-label' for='" + id + "Sa'>Sa</label>");
+
+                var $checkboxSu = $("<input type='checkbox' class='form-check-input' id='" + id + "Su' />")
+                                    .prop("checked", timerSetting.sunday);
+                var $labelSu = $("<label class='form-check-label' for='" + id + "Su'>Su</label>");
+
+                var $labelDisplayStateNone = $("<label for='" + id + "DisplayStateNone'>None</label>");
+                var $radioDisplayStateNone = $("<input type='radio' class='form-check-input' name='" + id + "DisplayState' id='" + id + "DisplayStateNone' value='0' />")
+                                            .prop("checked", 0 === timerSetting.displayState);
+                var $labelDisplayStateOn = $("<label for='" + id + "DisplayStateOn'>On</label>");
+                var $radioDisplayStateOn = $("<input type='radio' class='form-check-input' name='" + id + "DisplayState' id='" + id + "DisplayStateOn' value='1' />")
+                                            .prop("checked", 1 === timerSetting.displayState);
+                var $labelDisplayStateOff = $("<label for='" + id + "DisplayStateOff'>Off</label>");
+                var $radioDisplayStateOff = $("<input type='radio' class='form-check-input' name='" + id + "DisplayState' id='" + id + "DisplayStateOff' value='2' />")
+                                            .prop("checked", 2 === timerSetting.displayState);
+
+                var $labelBrightness = $("<label for='" + id + "Brightness'>Brightness:</label>");
+                var $inputBrightness = $("<input type='number' class='form-control' id='" + id + "Brightness' min='-1' max='100' />")
+                                    .val(brightnessPercentToValue(timerSetting.brightness));
+
+                $block.append($row);
+
+                $row.append(
+                    $("<div class='col'></div>")
+                    .append(createFormCheck([
+                        $checkboxEnabled, $labelEnabled
+                    ]))
+                );
+
+                $row.append(
+                    $("<div class='col'></div>")
+                    .append(createFormGroup([
+                        $labelHour, $inputHour
+                    ]))
+                );
+
+                $row.append(
+                    $("<div class='col'></div>")
+                    .append(createFormGroup([
+                        $labelMinute, $inputMinute
+                    ]))
+                );
+
+                $row.append(
+                    $("<div class='col'></div>")
+                    .append(createFormCheckInline([
+                        $checkboxSu, $labelSu
+                    ]))
+                    .append(createFormCheckInline([
+                        $checkboxMo, $labelMo
+                    ]))
+                    .append(createFormCheckInline([
+                        $checkboxTu, $labelTu
+                    ]))
+                    .append(createFormCheckInline([
+                        $checkboxWe, $labelWe
+                    ]))
+                    .append(createFormCheckInline([
+                        $checkboxTh, $labelTh
+                    ]))
+                    .append(createFormCheckInline([
+                        $checkboxFr, $labelFr
+                    ]))
+                    .append(createFormCheckInline([
+                        $checkboxSa, $labelSa
+                    ]))
+                );
+
+                $row.append(
+                    $("<div class='col'></div>")
+                    .append($("<span class='m-2'>Display:</span>"))
+                    .append(createFormCheck([
+                        $labelDisplayStateNone, $radioDisplayStateNone
+                    ]))
+                    .append(createFormCheck([
+                        $labelDisplayStateOn, $radioDisplayStateOn
+                    ]))
+                    .append(createFormCheck([
+                        $labelDisplayStateOff, $radioDisplayStateOff
+                    ]))
+                );
+
+                $row.append(
+                    $("<div class='col'></div>")
+                    .append($labelBrightness)
+                    .append(createInputGroup([
+                        $inputBrightness, $("<span class='input-group-text'>%</span>")
+                    ]))
+                );
+
+                $("#myForm").append($block);
+            }
+
+            function load() {
+                disableUI();
+
+                return utils.makeRequest({
+                    method: "GET",
+                    url: "/rest/api/v1/timerService/timer",
+                    isJsonResponse: true
+                }).then(function(rsp) {
+                    var idx;
+
+                    timerSettingsCount = rsp.data.timerSettings.length;
+
+                    for (idx = 0; idx < timerSettingsCount; ++idx) {
+                        createTimerSetting("timer" + idx, rsp.data.timerSettings[idx]);
+                    }
+
+                    $("#myForm").append($("<button type='submit' class='btn btn-primary' onclick='save()'>Save</button>"));
+
+                }).catch(function(rsp) {
+                    alert("Internal error.");
+                }).finally(function() {
+                    enableUI();
+                });
+            }
+
+            function getTimerSettings() {
+                var timerSettings = [];
+                var idx;
+
+                for (idx = 0; idx < timerSettingsCount; ++idx) {
+                    var timerSetting = {
+                        enabled: $("#timer" + idx + "Enabled").prop("checked"),
+                        displayState: $("input[name='timer" + idx + "DisplayState']:checked").val(),
+                        hour: $("#timer" + idx + "Hour").val(),
+                        minute: $("#timer" + idx + "Minute").val(),
+                        brightness: brightnessValueToPercent($("#timer" + idx + "Brightness").val()),
+                        monday: $("#timer" + idx + "Mo").prop("checked"),
+                        tuesday: $("#timer" + idx + "Tu").prop("checked"),
+                        wednesday: $("#timer" + idx + "We").prop("checked"),
+                        thursday: $("#timer" + idx + "Th").prop("checked"),
+                        friday: $("#timer" + idx + "Fr").prop("checked"),
+                        saturday: $("#timer" + idx + "Sa").prop("checked"),
+                        sunday: $("#timer" + idx + "Su").prop("checked")
+                    };
+
+                    timerSettings.push(timerSetting);
+                }
+
+                return timerSettings;
+            }
+
+            function save() {
+                disableUI();
+
+                return utils.makeRequest({
+                    method: "POST",
+                    url: "/rest/api/v1/timerService/timer",
+                    isJsonResponse: true,
+                    parameter: {
+                        timerSettings: getTimerSettings()
+                    }
+                }).then(function(rsp) {
+                    alert("Ok.");
+                }).catch(function(rsp) {
+                    alert("Failed.");
+                }).finally(function() {
+                    enableUI();
+                });
+            }
+
+            $(document).ready(function() {
+                menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
+                menu.create("menu", menu.data);
+
+                utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
+
+                load();
+            });
+        </script>
+    </body>
+</html>
\ No newline at end of file
diff --git a/lib/VolumioPlugin/web/VolumioPlugin.html b/lib/VolumioPlugin/web/VolumioPlugin.html
index 385539a2..a42a7645 100644
--- a/lib/VolumioPlugin/web/VolumioPlugin.html
+++ b/lib/VolumioPlugin/web/VolumioPlugin.html
@@ -82,6 +82,7 @@ <h3>Host Address</h3>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
         <!-- Pixelix utilities -->
         <script type="text/javascript" src="/js/utils.js"></script>
         <!-- Pixelix REST API -->
@@ -173,6 +174,7 @@ <h3>Host Address</h3>
 
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
                 
                 utils.injectOrigin("injectOrigin", "{{ORIGIN}}");
diff --git a/lib/WifiStatusPlugin/web/WifiStatusPlugin.html b/lib/WifiStatusPlugin/web/WifiStatusPlugin.html
index 78c350de..5abf98d1 100644
--- a/lib/WifiStatusPlugin/web/WifiStatusPlugin.html
+++ b/lib/WifiStatusPlugin/web/WifiStatusPlugin.html
@@ -55,10 +55,12 @@ <h2>REST API</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/lib/WormPlugin/web/WormPlugin.html b/lib/WormPlugin/web/WormPlugin.html
index 41ea3229..43c24517 100644
--- a/lib/WormPlugin/web/WormPlugin.html
+++ b/lib/WormPlugin/web/WormPlugin.html
@@ -55,10 +55,12 @@ <h2>REST API</h2>
         <!-- Pixelix menu -->
         <script type="text/javascript" src="/js/menu.js"></script>
         <script type="text/javascript" src="/js/pluginsSubMenu.js"></script>
+        <script type="text/javascript" src="/js/servicesSubMenu.js"></script>
 
         <script>
             $(document).ready(function() {
                 menu.addSubMenu(menu.data, "Plugins", pluginSubMenu);
+                menu.addSubMenu(menu.data, "Services", serviceSubMenu);
                 menu.create("menu", menu.data);
             });
         </script>
diff --git a/scripts/Services.cpp b/scripts/Services.cpp
index b4d55b5c..355ab55b 100644
--- a/scripts/Services.cpp
+++ b/scripts/Services.cpp
@@ -58,6 +58,14 @@
  * Local Variables
  *****************************************************************************/
 
+/**
+ * List of services.
+ */
+static const Services::Element gServiceList[] =
+{
+$LIST_ENTRIES
+};
+
 /******************************************************************************
  * Public Methods
  *****************************************************************************/
@@ -98,6 +106,13 @@ extern void Services::processAll()
 $PROCESS_SERVICES
 }
 
+const Services::Element* Services::getList(uint8_t& length)
+{
+    length = sizeof(gServiceList) / sizeof(gServiceList[0]);
+
+    return gServiceList;
+}
+
 /******************************************************************************
  * Local Functions
  *****************************************************************************/
diff --git a/scripts/configure.py b/scripts/configure.py
index 27daf3d0..a8d27a6a 100644
--- a/scripts/configure.py
+++ b/scripts/configure.py
@@ -62,7 +62,7 @@ def configure(config_full_path, layout):
         topic_handler_list = config_model.get_topic_handler_list()
 
         configure_plugins(plugin_list, layout)
-        configure_services(service_list)
+        configure_services(service_list, layout)
         configure_topic_handlers(topic_handler_list)
 
 ################################################################################
diff --git a/scripts/configure_plugins.py b/scripts/configure_plugins.py
index 0271dce0..b688532c 100644
--- a/scripts/configure_plugins.py
+++ b/scripts/configure_plugins.py
@@ -303,7 +303,7 @@ def configure_plugins(plugin_list, layout):
         (os.path.exists(_MENU_FULL_PATH) is False) or \
         (os.path.exists(_PLUGIN_LIST_FULL_PATH) is False):
 
-        print("\tGenerating web menu.")
+        print("\tGenerating plugins web menu.")
         _generate_web_menu(_MENU_FULL_PATH, plugin_list)
         print("\tGenerating plugin list.")
         _generate_cpp_plugin_list(_PLUGIN_LIST_FULL_PATH, plugin_list)
diff --git a/scripts/configure_services.py b/scripts/configure_services.py
index 9eb31aef..9953bffe 100644
--- a/scripts/configure_services.py
+++ b/scripts/configure_services.py
@@ -26,6 +26,9 @@
 # Imports
 ################################################################################
 import os
+import shutil
+import json
+import hashlib
 from string import Template
 
 ################################################################################
@@ -33,6 +36,10 @@
 ################################################################################
 _LIB_PATH = "./lib"
 
+_WEB_DATA_PATH = "./data/services"
+
+_MENU_FULL_PATH = "./data/js/servicesSubMenu.js"
+
 _SERVICE_LIST_FULL_PATH = "./src/Generated/Services.cpp"
 _SERVICE_LIST_TEMPLATE_FULL_PATH = "./scripts/Services.cpp"
 
@@ -44,6 +51,137 @@
 # Functions
 ################################################################################
 
+def _sort_key(file_path):
+    return os.path.basename(file_path)
+
+def calculate_path_checksum(paths):
+    """Recursively calculates a checksum representing the contents of all files
+        found with a sequence of file and/or directory paths.
+
+    Args:
+        paths (list[str]): List of paths
+
+    Returns:
+        int: MD5 checksum
+    """
+    hasher = hashlib.md5()
+    file_list = []
+
+    for path in paths:
+        if os.path.isdir(path):
+            filenames = os.listdir(path)
+            for filename in filenames:
+                file_path = os.path.normpath(path + "/" + filename)
+                file_list.append(file_path)
+        elif os.path.isfile(path):
+            file_list.append(path)
+
+    file_list_sorted = sorted(file_list, key=_sort_key)
+
+    for file_path in file_list_sorted:
+        with open(file_path, "rb") as file:
+            while chunk := file.read(8192):
+                hasher.update(chunk)
+
+    return hasher.hexdigest()
+
+def _load_json_file(full_path):
+    """Load JSON file.
+
+    Args:
+        full_path (str): Full path to JSON file.
+
+    Returns:
+        dict|None: Data dictionary or None
+    """
+    data = None
+
+    try:
+        with open(full_path, encoding="utf-8") as json_data:
+            data = json.load(json_data)
+
+    except FileNotFoundError:
+        pass
+
+    return data
+
+def _clean_up_folders(service_list, dst_path):
+    """Remove folders in destination path, which are not present in the source path.
+
+    Args:
+        service_list (list): List with all service names
+        dst_path (str): Destination path
+
+    Return:
+        bool: If cleaned something, it will return True otherwise False.
+    """
+    is_cleaned_up = False
+
+    if os.path.isdir(dst_path) is False:
+        pass
+    else:
+
+        dst_subfolders = []
+        for dst_file in os.listdir(dst_path):
+            if os.path.isdir(dst_path + "/" + dst_file) is True:
+                dst_subfolders.append(dst_file)
+
+        # Remove folders which exists only in the destination
+        for folder in dst_subfolders:
+            if folder not in service_list:
+                dst_full_path = dst_path + "/" + folder
+                try:
+                    shutil.rmtree(dst_full_path)
+                    print(f"\t\"{dst_full_path}\" removed.")
+                except FileNotFoundError:
+                    pass
+                is_cleaned_up = True
+
+    return is_cleaned_up
+
+def _copy_files(src_files, dst_path):
+    """Copy service web related files from /lib/<service-name> to /data/services/<service-name>.
+        If no destination folder exists, it will be created.
+
+    Args:
+        service_name (str): service name
+    """
+    if os.path.exists(dst_path) is False:
+        os.mkdir(dst_path)
+
+    # Copy source files to destination.
+    for src_file in src_files:
+        print(f"\t\t{src_file} -> {dst_path}", end="")
+        try:
+            shutil.copy2(src_file, dst_path)
+            print("")
+        except FileNotFoundError:
+            print(" -> file not found!")
+
+def _generate_web_menu(menu_full_path, service_list):
+    """Generate the menu.json file.
+
+    Args:
+        menu_full_path (str): Full path to menu.json where it shall be created.
+        service_list (list): List of all service names
+    """
+    with open(menu_full_path, 'w', encoding="utf-8") as file_desc:
+        file_desc.write("var serviceSubMenu = [\n")
+
+        for idx, service_name in enumerate(service_list):
+
+            file_desc.write("    {\n")
+            file_desc.write(f"        title: \"{service_name}\",\n")
+            file_desc.write(f"        hyperRef: \"/services/{service_name}/{service_name}.html\"\n")
+            file_desc.write("    }")
+
+            if idx == (len(service_list) - 1):
+                file_desc.write("\n")
+            else:
+                file_desc.write(",\n")
+
+        file_desc.write("]\n")
+
 def _generate_cpp_service(service_list_full_path, service_list):
     """Generate the Service.cpp source file.
 
@@ -55,6 +193,7 @@ def _generate_cpp_service(service_list_full_path, service_list):
     start_calls = ""
     stop_calls = ""
     process_calls = ""
+    list_entries = ""
 
     # Handle includes, start and process calls.
     for idx, service_name in enumerate(service_list):
@@ -63,6 +202,7 @@ def _generate_cpp_service(service_list_full_path, service_list):
             includes += "\n"
             start_calls += "\n"
             process_calls += "\n"
+            list_entries += ",\n"
 
         includes += f"#include <{service_name}.h>"
 
@@ -73,6 +213,8 @@ def _generate_cpp_service(service_list_full_path, service_list):
 
         process_calls += f"    {service_name}::getInstance().process();"
 
+        list_entries += f"    \"{service_name}\""
+
     # Handle stop calls in reverse order.
     for idx, service_name in enumerate(reversed(service_list)):
 
@@ -85,7 +227,8 @@ def _generate_cpp_service(service_list_full_path, service_list):
         "INCLUDES": includes,
         "START_SERVICES": start_calls,
         "STOP_SERVICES": stop_calls,
-        "PROCESS_SERVICES": process_calls
+        "PROCESS_SERVICES": process_calls,
+        "LIST_ENTRIES": list_entries
     }
 
     with open(_SERVICE_LIST_TEMPLATE_FULL_PATH, "r", encoding="utf-8") as file_desc:
@@ -95,24 +238,99 @@ def _generate_cpp_service(service_list_full_path, service_list):
     with open(service_list_full_path, "w", encoding="utf-8") as file_desc:
         file_desc.write(result)
 
-def configure_services(service_list):
+def configure_services(service_list, layout):
     """Generate all service related artifacts.
 
     Args:
         service_list (list): List of service names
+        layout (str): The display layout.
     """
+    # Avoid generation if possible, because it will cause a compilation step.
+    is_generation_required = False
+
+    if os.path.isdir(_WEB_DATA_PATH) is False:
+        os.mkdir(_WEB_DATA_PATH)
+        is_generation_required = True
+
+    else:
+        # Remove all obsolete services in the web data if there are any.
+        if _clean_up_folders(service_list, _WEB_DATA_PATH) is True:
+            is_generation_required = True
+
     skip_list = []
     for service_name in service_list:
         service_lib_path = _LIB_PATH + "/" + service_name
+        service_lib_web_path = service_lib_path + "/web"
 
         if os.path.isdir(service_lib_path) is False:
             print(f"\tSkipping {service_name}, because {service_lib_path} doesn't exist.")
             skip_list.append(service_name)
 
+        elif os.path.isdir(service_lib_web_path) is False:
+            pass
+
+        else:
+            data_web_service_path = _WEB_DATA_PATH + "/" + service_name
+
+            data_web_service_path_checksum = calculate_path_checksum([data_web_service_path])
+
+            src_files = []
+
+            service_lib_data = _load_json_file(service_lib_path + "/pixelix.json")
+
+            if service_lib_data is None:
+                src_files = os.listdir(service_lib_web_path)
+                src_files = [service_lib_web_path + "/" + src_file for src_file in src_files]
+            else:
+
+                if service_lib_data["pixelix"]["type"] != "service":
+                    print(f"\tSkipping {service_name}, because its type isn't service in pixelix.json.")
+                    skip_list.append(service_name)
+
+                elif service_lib_data["pixelix"]["name"] != service_name:
+                    print(f"\tSkipping {service_name}, because service name doesn't match with pixelix.json.")
+
+                else:
+                    web_files = service_lib_data["pixelix"]["web"]["files"]
+                    layout_specific_files = []
+                    src_files = [service_lib_path + "/" + file_rel_path for file_rel_path in web_files]
+
+                    # Search for layout specific files or use generic file list.
+                    for lib_layout in service_lib_data["pixelix"]["web"]["layouts"]:
+
+                        if lib_layout["name"] == layout:
+                            layout_specific_files = lib_layout["files"]
+
+                        elif lib_layout["name"] == "LAYOUT_GENERIC":
+                            if layout_specific_files is None:
+                                layout_specific_files = lib_layout["files"]
+
+                    layout_specific_files_full_path = [service_lib_path + "/" + file_rel_path for file_rel_path in layout_specific_files]
+                    src_files = src_files + layout_specific_files_full_path
+
+            if src_files:
+                service_lib_web_path_checksum = calculate_path_checksum(src_files)
+
+                if data_web_service_path_checksum != service_lib_web_path_checksum:
+                    print("\tCopy web data:")
+                    try:
+                        shutil.rmtree(data_web_service_path)
+                    except FileNotFoundError:
+                        pass
+                    _copy_files(src_files, data_web_service_path)
+                    is_generation_required = True
+
     # Remove skipped services from list
     for service_name in skip_list:
         service_list.remove(service_name)
 
+    if (is_generation_required is True) or \
+        (os.path.exists(_MENU_FULL_PATH) is False) or \
+        (os.path.exists(_SERVICE_LIST_FULL_PATH) is False):
+
+        print("\tGenerating services web menu.")
+        _generate_web_menu(_MENU_FULL_PATH, service_list)
+
     print("\tGenerating services.")
     _generate_cpp_service(_SERVICE_LIST_FULL_PATH, service_list)
 
diff --git a/src/Web/Pages.cpp b/src/Web/Pages.cpp
index ab48036e..8d1f9229 100644
--- a/src/Web/Pages.cpp
+++ b/src/Web/Pages.cpp
@@ -39,6 +39,7 @@
 #include "DisplayMgr.h"
 #include "RestApi.h"
 #include "PluginList.h"
+#include "Services.h"
 #include "WiFiUtil.h"
 
 #include <WiFi.h>
@@ -72,8 +73,8 @@
  */
 struct TmplKeyWordFunc
 {
-    const char* keyword;        /**< Keyword */
-    String      (*func)(void);  /**< Function to call */
+    const char* keyword;  /**< Keyword */
+    String (*func)(void); /**< Function to call */
 };
 
 /**
@@ -81,8 +82,8 @@ struct TmplKeyWordFunc
  */
 struct HtmlPageRoute
 {
-    const char*                 page;               /**< Page in the filesystem. */
-    WebRequestMethodComposite   reqMethodComposite; /**< Request method composite */
+    const char*               page;               /**< Page in the filesystem. */
+    WebRequestMethodComposite reqMethodComposite; /**< Request method composite */
 };
 
 /******************************************************************************
@@ -90,101 +91,67 @@ struct HtmlPageRoute
  *****************************************************************************/
 
 static String tmplPageProcessor(const String& var);
-static void htmlPage(AsyncWebServerRequest* request);
-static void uploadPage(AsyncWebServerRequest* request);
-static void uploadHandler(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final);
+static void   htmlPage(AsyncWebServerRequest* request);
+static void   uploadPage(AsyncWebServerRequest* request);
+static void   uploadHandler(AsyncWebServerRequest* request, const String& filename, size_t index, uint8_t* data, size_t len, bool final);
 
 namespace tmpl
 {
-    static String getEspChipId();
-    static String getEspType();
-    static String getFlashChipMode();
-    static String getHostname();
-    static String getIPAddress();
-    static String getRSSI();
-    static String getSSID();
-};
+static String getEspChipId();
+static String getEspType();
+static String getFlashChipMode();
+static String getHostname();
+static String getIPAddress();
+static String getRSSI();
+static String getSSID();
+}; /* namespace tmpl */
 
 /******************************************************************************
  * Local Variables
  *****************************************************************************/
 
 /** Firmware binary filename, used for update. */
-static const char*      FIRMWARE_FILENAME               = "firmware.bin";
+static const char* FIRMWARE_FILENAME              = "firmware.bin";
 
 /** Bootloader binary filename, used for update. */
-static const char*      BOOTLOADER_FILENAME             = "bootloader.bin";
+static const char* BOOTLOADER_FILENAME            = "bootloader.bin";
 
 /** Path to the plugin webpages. */
-static const String     PLUGIN_PAGE_PATH                = "/plugins/";
+static const String PLUGIN_PAGE_PATH              = "/plugins/";
+
+/** Path to the service webpages. */
+static const String SERVICE_PAGE_PATH             = "/services/";
 
 /** Flag used to signal any kind of file upload error. */
-static bool             gIsUploadError                  = false;
+static bool gIsUploadError                        = false;
 
 /**
  * List of all used template keywords and the function how to retrieve the information.
  * The list is alphabetic sorted in ascending order.
  */
-static const TmplKeyWordFunc    gTmplKeyWordToFunc[]    =
-{
-    "ARDUINO_IDF_BRANCH",   []() -> String { return CONFIG_ARDUINO_IDF_BRANCH; },
-    "BOOTLOADER_FILENAME",  []() -> String { return BOOTLOADER_FILENAME; },
-    "ESP_CHIP_ID",          tmpl::getEspChipId,
-    "ESP_CHIP_REV",         []() -> String { return String(ESP.getChipRevision()); },
-    "ESP_CPU_FREQ",         []() -> String { return String(ESP.getCpuFreqMHz()); },
-    "ESP_SDK_VERSION",      []() -> String { return ESP.getSdkVersion(); },
-    "ESP_TYPE",             tmpl::getEspType,
-    "FILESYSTEM_FILENAME",  []() -> String { return FILESYSTEM_FILENAME; },
-    "FIRMWARE_FILENAME",    []() -> String { return FIRMWARE_FILENAME; },
-    "FLASH_CHIP_MODE",      tmpl::getFlashChipMode,
-    "FLASH_CHIP_SIZE",      []() -> String { return String(ESP.getFlashChipSize() / (1024U * 1024U)); },
-    "FLASH_CHIP_SPEED",     []() -> String { return String(ESP.getFlashChipSpeed() / (1000U * 1000U)); },
-    "FREERTOS_VERSION",     []() -> String { return tskKERNEL_VERSION_NUMBER; },
-    "FS_SIZE",              []() -> String { return String(FILESYSTEM.totalBytes()); },
-    "FS_SIZE_USED",         []() -> String { return String(FILESYSTEM.usedBytes()); },
-    "HEAP_SIZE",            []() -> String { return String(ESP.getHeapSize()); },
-    "HEAP_SIZE_AVAILABLE",  []() -> String { return String(ESP.getFreeHeap()); },
-    "MBED_TLS_VERSION",     []() -> String { return String(MBEDTLS_VERSION_STRING); },
-    "PSRAM_SIZE",           []() -> String { return String(ESP.getPsramSize()); },
-    "PSRAM_SIZE_AVAILABLE", []() -> String { return String(ESP.getFreePsram()); },
-    "HOSTNAME",             tmpl::getHostname,
-    "IPV4",                 tmpl::getIPAddress,
-    "LWIP_VERSION",         []() -> String { return LWIP_VERSION_STRING; },
-    "MAC_ADDR",             []() -> String { return WiFi.macAddress(); },
-    "RSSI",                 tmpl::getRSSI,
-    "SSID",                 tmpl::getSSID,
-    "SW_BRANCH",            []() -> String { return Version::getSoftwareBranchName(); },
-    "SW_REVISION",          []() -> String { return Version::getSoftwareRevision(); },
-    "SW_VERSION",           []() -> String { return Version::getSoftwareVersion(); },
-    "TARGET",               []() -> String { return Version::getTargetName(); },
-    "WS_ENDPOINT",          []() -> String { return WebConfig::WEBSOCKET_PATH; },
-    "WS_PORT",              []() -> String { return String(WebConfig::WEBSOCKET_PORT); },
-    "WS_PROTOCOL",          []() -> String { return WebConfig::WEBSOCKET_PROTOCOL; },
-    "DISPLAY_HEIGHT",       []() -> String { return String(CONFIG_LED_MATRIX_HEIGHT); },
-    "DISPLAY_WIDTH",        []() -> String { return String(CONFIG_LED_MATRIX_WIDTH); }
+static const TmplKeyWordFunc gTmplKeyWordToFunc[] = {
+    "ARDUINO_IDF_BRANCH", []() -> String { return CONFIG_ARDUINO_IDF_BRANCH; }, "BOOTLOADER_FILENAME", []() -> String { return BOOTLOADER_FILENAME; }, "ESP_CHIP_ID", tmpl::getEspChipId, "ESP_CHIP_REV", []() -> String { return String(ESP.getChipRevision()); }, "ESP_CPU_FREQ", []() -> String { return String(ESP.getCpuFreqMHz()); }, "ESP_SDK_VERSION", []() -> String { return ESP.getSdkVersion(); }, "ESP_TYPE", tmpl::getEspType, "FILESYSTEM_FILENAME", []() -> String { return FILESYSTEM_FILENAME; }, "FIRMWARE_FILENAME", []() -> String { return FIRMWARE_FILENAME; }, "FLASH_CHIP_MODE", tmpl::getFlashChipMode, "FLASH_CHIP_SIZE", []() -> String { return String(ESP.getFlashChipSize() / (1024U * 1024U)); }, "FLASH_CHIP_SPEED", []() -> String { return String(ESP.getFlashChipSpeed() / (1000U * 1000U)); }, "FREERTOS_VERSION", []() -> String { return tskKERNEL_VERSION_NUMBER; }, "FS_SIZE", []() -> String { return String(FILESYSTEM.totalBytes()); }, "FS_SIZE_USED", []() -> String { return String(FILESYSTEM.usedBytes()); }, "HEAP_SIZE", []() -> String { return String(ESP.getHeapSize()); }, "HEAP_SIZE_AVAILABLE", []() -> String { return String(ESP.getFreeHeap()); }, "MBED_TLS_VERSION", []() -> String { return String(MBEDTLS_VERSION_STRING); }, "PSRAM_SIZE", []() -> String { return String(ESP.getPsramSize()); }, "PSRAM_SIZE_AVAILABLE", []() -> String { return String(ESP.getFreePsram()); }, "HOSTNAME", tmpl::getHostname, "IPV4", tmpl::getIPAddress, "LWIP_VERSION", []() -> String { return LWIP_VERSION_STRING; }, "MAC_ADDR", []() -> String { return WiFi.macAddress(); }, "RSSI", tmpl::getRSSI, "SSID", tmpl::getSSID, "SW_BRANCH", []() -> String { return Version::getSoftwareBranchName(); }, "SW_REVISION", []() -> String { return Version::getSoftwareRevision(); }, "SW_VERSION", []() -> String { return Version::getSoftwareVersion(); }, "TARGET", []() -> String { return Version::getTargetName(); }, "WS_ENDPOINT", []() -> String { return WebConfig::WEBSOCKET_PATH; }, "WS_PORT", []() -> String { return String(WebConfig::WEBSOCKET_PORT); }, "WS_PROTOCOL", []() -> String { return WebConfig::WEBSOCKET_PROTOCOL; }, "DISPLAY_HEIGHT", []() -> String { return String(CONFIG_LED_MATRIX_HEIGHT); }, "DISPLAY_WIDTH", []() -> String { return String(CONFIG_LED_MATRIX_WIDTH); }
 };
 
 /**
  * Standard HTML page routes.
  */
-static const HtmlPageRoute  gHtmlPageRoutes[]           =
-{
-    {   "/about.html",      HTTP_GET                },
-    {   "/debug.html",      HTTP_GET                },
-    {   "/display.html",    HTTP_GET                },
-    {   "/edit.html",       HTTP_GET                },
-    {   "/icons.html",      HTTP_GET                },
-    {   "/index.html",      HTTP_GET                },
-    {   "/info.html",       HTTP_GET                },
-    {   "/settings.html",   HTTP_GET | HTTP_POST    },
-    {   "/update.html",     HTTP_GET                }
+static const HtmlPageRoute gHtmlPageRoutes[] = {
+    { "/about.html", HTTP_GET },
+    { "/debug.html", HTTP_GET },
+    { "/display.html", HTTP_GET },
+    { "/edit.html", HTTP_GET },
+    { "/icons.html", HTTP_GET },
+    { "/index.html", HTTP_GET },
+    { "/info.html", HTTP_GET },
+    { "/settings.html", HTTP_GET | HTTP_POST },
+    { "/update.html", HTTP_GET }
 };
 
 /**
  * Static routes to files with enabled cache.
  */
-static const char*          gStaticRoutesWithCache[]    =
-{
+static const char* gStaticRoutesWithCache[] = {
     "/favicon.png",
     "/images/",
     "/js/",
@@ -209,28 +176,30 @@ static const char*          gStaticRoutesWithCache[]    =
 
 void Pages::init(AsyncWebServer& srv)
 {
-    uint8_t                     pluginTypeListLength    = 0U;
-    const PluginList::Element*  pluginTypeList          = PluginList::getList(pluginTypeListLength);
-    uint8_t                     idx                     = 0U;
-    String                      webLoginUser;
-    String                      webLoginPassword;
-    SettingsService&            settings                = SettingsService::getInstance();
+    uint8_t                    pluginTypeListLength = 0U;
+    const PluginList::Element* pluginTypeList       = PluginList::getList(pluginTypeListLength);
+    uint8_t                    serviceListLength    = 0U;
+    const Services::Element*   serviceList          = Services::getList(serviceListLength);
+    uint8_t                    idx                  = 0U;
+    String                     webLoginUser;
+    String                     webLoginPassword;
+    SettingsService&           settings = SettingsService::getInstance();
 
     if (false == settings.open(true))
     {
-        webLoginUser        = settings.getWebLoginUser().getDefault();
-        webLoginPassword    = settings.getWebLoginPassword().getDefault();
+        webLoginUser     = settings.getWebLoginUser().getDefault();
+        webLoginPassword = settings.getWebLoginPassword().getDefault();
     }
     else
     {
-        webLoginUser        = settings.getWebLoginUser().getValue();
-        webLoginPassword    = settings.getWebLoginPassword().getValue();
+        webLoginUser     = settings.getWebLoginUser().getValue();
+        webLoginPassword = settings.getWebLoginPassword().getValue();
 
         settings.close();
     }
 
     /* Serve standard HTML pages. */
-    while(UTIL_ARRAY_NUM(gHtmlPageRoutes) > idx)
+    while (UTIL_ARRAY_NUM(gHtmlPageRoutes) > idx)
     {
         const HtmlPageRoute& route = gHtmlPageRoutes[idx];
 
@@ -260,7 +229,7 @@ void Pages::init(AsyncWebServer& srv)
      * The client may cache files from filesystem for 1 hour.
      */
     idx = 0U;
-    while(UTIL_ARRAY_NUM(gStaticRoutesWithCache) > idx)
+    while (UTIL_ARRAY_NUM(gStaticRoutesWithCache) > idx)
     {
         const char* route = gStaticRoutesWithCache[idx];
 
@@ -272,30 +241,58 @@ void Pages::init(AsyncWebServer& srv)
 
     /* Add one page per plugin. */
     idx = 0U;
-    while(pluginTypeListLength > idx)
+    while (pluginTypeListLength > idx)
+    {
+        const PluginList::Element* elem = &pluginTypeList[idx];
+        String                     uri  = PLUGIN_PAGE_PATH + elem->name;
+
+        (void)srv.on(uri.c_str(),
+                     HTTP_GET,
+                     [](AsyncWebServerRequest* request) {
+                         if (nullptr == request)
+                         {
+                             return;
+                         }
+
+                         if (0U != request->url().endsWith(".html"))
+                         {
+                             request->send(FILESYSTEM, request->url(), "text/html", false, tmplPageProcessor);
+                         }
+                         else
+                         {
+                             request->send(FILESYSTEM, request->url());
+                         }
+                     })
+            .setAuthentication(webLoginUser.c_str(), webLoginPassword.c_str());
+
+        ++idx;
+    }
+
+    /* Add one page per service. */
+    idx = 0U;
+    while (serviceListLength > idx)
     {
-        const PluginList::Element*  elem    = &pluginTypeList[idx];
-        String                      uri     = PLUGIN_PAGE_PATH + elem->name;
-        
-        (void)srv.on(   uri.c_str(),
-                        HTTP_GET,
-                        [](AsyncWebServerRequest* request)
-                        {
-                            if (nullptr == request)
-                            {
-                                return;
-                            }
-
-                            if (0U != request->url().endsWith(".html"))
-                            {
-                                request->send(FILESYSTEM, request->url(), "text/html", false, tmplPageProcessor);
-                            }
-                            else
-                            {
-                                request->send(FILESYSTEM, request->url());
-                            }
-
-                        }).setAuthentication(webLoginUser.c_str(), webLoginPassword.c_str());;
+        const Services::Element* elem = &serviceList[idx];
+        String                   uri  = SERVICE_PAGE_PATH + elem->name;
+
+        (void)srv.on(uri.c_str(),
+                     HTTP_GET,
+                     [](AsyncWebServerRequest* request) {
+                         if (nullptr == request)
+                         {
+                             return;
+                         }
+
+                         if (0U != request->url().endsWith(".html"))
+                         {
+                             request->send(FILESYSTEM, request->url(), "text/html", false, tmplPageProcessor);
+                         }
+                         else
+                         {
+                             request->send(FILESYSTEM, request->url());
+                         }
+                     })
+            .setAuthentication(webLoginUser.c_str(), webLoginPassword.c_str());
 
         ++idx;
     }
@@ -389,11 +386,9 @@ static void uploadPage(AsyncWebServerRequest* request)
      * device will be restarted as well.
      */
     request->onDisconnect(
-        []()
-        {
+        []() {
             UpdateMgr::getInstance().reqRestart(0U);
-        }
-    );
+        });
 }
 
 /**
@@ -406,7 +401,7 @@ static void uploadPage(AsyncWebServerRequest* request)
  * @param[in] len       Data part size in byte.
  * @param[in] final     Is final packet or not.
  */
-static void uploadHandler(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final)
+static void uploadHandler(AsyncWebServerRequest* request, const String& filename, size_t index, uint8_t* data, size_t len, bool final)
 {
     /* Begin of upload? */
     if (0 == index)
@@ -423,20 +418,20 @@ static void uploadHandler(AsyncWebServerRequest *request, const String& filename
         /* Upload firmware, bootloader or filesystem? */
         int             cmd             = U_FLASH;
         AsyncWebHeader* headerXFileSize = nullptr;
-        
+
         if (filename == FIRMWARE_FILENAME)
         {
-            cmd = U_FLASH;
+            cmd             = U_FLASH;
             headerXFileSize = request->getHeader("X-File-Size-Firmware");
         }
         else if (filename == BOOTLOADER_FILENAME)
         {
-            cmd = U_FLASH;
+            cmd             = U_FLASH;
             headerXFileSize = request->getHeader("X-File-Size-Bootloader");
         }
         else if (filename == FILESYSTEM_FILENAME)
         {
-            cmd = U_SPIFFS;
+            cmd             = U_SPIFFS;
             headerXFileSize = request->getHeader("X-File-Size-Filesystem");
         }
         else
@@ -500,7 +495,7 @@ static void uploadHandler(AsyncWebServerRequest *request, const String& filename
     {
         if (false == gIsUploadError)
         {
-            if(len != Update.write(data, len))
+            if (len != Update.write(data, len))
             {
                 LOG_ERROR("Upload failed: %s", Update.errorString());
                 gIsUploadError = true;
@@ -561,167 +556,167 @@ static void uploadHandler(AsyncWebServerRequest *request, const String& filename
  */
 namespace tmpl
 {
-    /**
-     * Get ESP chip id.
-     *
-     * @return ESP chip id
-     */
-    static String getEspChipId()
-    {
-        String chipId;
+/**
+ * Get ESP chip id.
+ *
+ * @return ESP chip id
+ */
+static String getEspChipId()
+{
+    String chipId;
 
-        /* Chip id is the same as the factory programmed wifi MAC address. */
-        WiFiUtil::getChipId(chipId);
+    /* Chip id is the same as the factory programmed wifi MAC address. */
+    WiFiUtil::getChipId(chipId);
 
-        return chipId;
-    }
+    return chipId;
+}
 
-    /**
-     * Get ESP type.
-     *
-     * @return ESP type
-     */
-    static String getEspType()
-    {
-        String result = CONFIG_IDF_TARGET;
+/**
+ * Get ESP type.
+ *
+ * @return ESP type
+ */
+static String getEspType()
+{
+    String result = CONFIG_IDF_TARGET;
 
-        return result;
-    }
+    return result;
+}
 
-    /**
-     * Get flash chip mode.
-     *
-     * @return Flash chip mode.
-     */
-    static String getFlashChipMode()
+/**
+ * Get flash chip mode.
+ *
+ * @return Flash chip mode.
+ */
+static String getFlashChipMode()
+{
+    String result;
+
+    switch (ESP.getFlashChipMode())
     {
-        String result;
+    case FM_QIO:
+        result = "QUIO";
+        break;
 
-        switch(ESP.getFlashChipMode())
-        {
-        case FM_QIO:
-            result = "QUIO";
-            break;
+    case FM_QOUT:
+        result = "QOUT";
+        break;
 
-        case FM_QOUT:
-            result = "QOUT";
-            break;
+    case FM_DIO:
+        result = "DIO";
+        break;
 
-        case FM_DIO:
-            result = "DIO";
-            break;
+    case FM_DOUT:
+        result = "DOUT";
+        break;
 
-        case FM_DOUT:
-            result = "DOUT";
-            break;
+    case FM_FAST_READ:
+        result = "FAST_READ";
+        break;
 
-        case FM_FAST_READ:
-            result = "FAST_READ";
-            break;
+    case FM_SLOW_READ:
+        result = "SLOW_READ";
+        break;
 
-        case FM_SLOW_READ:
-            result = "SLOW_READ";
-            break;
+    case FM_UNKNOWN:
+        /* fallthrough */
 
-        case FM_UNKNOWN:
-            /* fallthrough */
+    default:
+        result = "UNKNOWN";
+        break;
+    }
 
-        default:
-            result = "UNKNOWN";
-            break;
-        }
+    return result;
+}
+
+/**
+ * Get hostname, depended on current WiFi mode.
+ *
+ * @return Hostname
+ */
+static String getHostname()
+{
+    String      result;
+    const char* hostname = nullptr;
 
-        return result;
+    if (WIFI_MODE_AP == WiFi.getMode())
+    {
+        hostname = WiFi.softAPgetHostname();
+    }
+    else
+    {
+        hostname = WiFi.getHostname();
     }
 
-    /**
-     * Get hostname, depended on current WiFi mode.
-     *
-     * @return Hostname
-     */
-    static String getHostname()
+    if (nullptr != hostname)
     {
-        String      result;
-        const char* hostname = nullptr;
+        result = hostname;
+    }
 
-        if (WIFI_MODE_AP == WiFi.getMode())
-        {
-            hostname = WiFi.softAPgetHostname();
-        }
-        else
-        {
-            hostname = WiFi.getHostname();
-        }
+    return result;
+}
 
-        if (nullptr != hostname)
-        {
-            result = hostname;
-        }
+/**
+ * Get IP address, depended on WiFi mode.
+ *
+ * @return IPv4
+ */
+static String getIPAddress()
+{
+    String result;
 
-        return result;
+    if (WIFI_MODE_AP == WiFi.getMode())
+    {
+        result = WiFi.softAPIP().toString();
     }
-
-    /**
-     * Get IP address, depended on WiFi mode.
-     *
-     * @return IPv4
-     */
-    static String getIPAddress()
+    else
     {
-        String result;
+        result = WiFi.localIP().toString();
+    }
 
-        if (WIFI_MODE_AP == WiFi.getMode())
-        {
-            result = WiFi.softAPIP().toString();
-        }
-        else
-        {
-            result = WiFi.localIP().toString();
-        }
+    return result;
+}
 
-        return result;
-    }
+/**
+ * Get wifi RSSI.
+ *
+ * @return WiFi station SSID
+ */
+static String getRSSI()
+{
+    String result;
 
-    /**
-     * Get wifi RSSI.
-     *
-     * @return WiFi station SSID
+    /* Only in station mode it makes sense to retrieve the RSSI.
+     * Otherwise keep it -100 dbm.
      */
-    static String getRSSI()
+    if (WIFI_MODE_STA == WiFi.getMode())
     {
-        String result;
-
-        /* Only in station mode it makes sense to retrieve the RSSI.
-         * Otherwise keep it -100 dbm.
-         */
-        if (WIFI_MODE_STA == WiFi.getMode())
-        {
-            result = WiFi.RSSI();
-        }
-        else
-        {
-            result = "-100";
-        }
-
-        return result;
+        result = WiFi.RSSI();
     }
-
-    /**
-     * Get wifi station SSID.
-     *
-     * @return WiFi station SSID
-     */
-    static String getSSID()
+    else
     {
-        String              result;
-        SettingsService&    settings    = SettingsService::getInstance();
+        result = "-100";
+    }
 
-        if (true == settings.open(true))
-        {
-            result = settings.getWifiSSID().getValue();
-            settings.close();
-        }
+    return result;
+}
+
+/**
+ * Get wifi station SSID.
+ *
+ * @return WiFi station SSID
+ */
+static String getSSID()
+{
+    String           result;
+    SettingsService& settings = SettingsService::getInstance();
 
-        return result;
+    if (true == settings.open(true))
+    {
+        result = settings.getWifiSSID().getValue();
+        settings.close();
     }
-};
+
+    return result;
+}
+}; /* namespace tmpl */