diff --git a/lib/GPIO/LED_Driver.cpp b/lib/GPIO/LED_Driver.cpp
index 84a63e9..9d00023 100644
--- a/lib/GPIO/LED_Driver.cpp
+++ b/lib/GPIO/LED_Driver.cpp
@@ -10,8 +10,8 @@ namespace drivers
     {
         LOG_INFO("Inizializing RGB Led");
         pinMode(c_ledPin, OUTPUT);
-        m_lp.pin = c_ledPin;
-        m_lp.blinkTask = NULL;
+        m_blinkTask = NULL;
+        m_flashTimer = NULL;
     }
 
     Led::~Led()
@@ -22,54 +22,85 @@ namespace drivers
 
     void Led::setColor(const color_t color)
     {
+        std::lock_guard<std::mutex> lock(m_ledMutex);
         blinkStop();
+        m_colorDefault = color;
         rgbLedWrite(c_ledPin, color.g, color.r, color.b);
     }
 
+    void Led::flashHandle(TimerHandle_t th)
+    {
+        Led *led = (Led *)pvTimerGetTimerID(th);
+        std::lock_guard<std::mutex> lock(led->m_ledMutex);
+        rgbLedWrite(led->c_ledPin, led->m_colorDefault.g, led->m_colorDefault.r, led->m_colorDefault.b); // reset color to saved color
+        LOG_DEBUG("Led Flash timer expired");
+        xTimerDelete(th, 0);
+        led->m_flashTimer = NULL;
+    }
+
+    void Led::flashColor(const uint16_t tOn, const color_t color)
+    {
+        std::lock_guard<std::mutex> lock(m_ledMutex);
+        if (m_flashTimer == NULL)
+        {
+            blinkStop();
+            rgbLedWrite(c_ledPin, color.g, color.r, color.b); // set color to flash
+            m_flashTimer = xTimerCreate("flasher", pdMS_TO_TICKS(tOn), pdFALSE, this, flashHandle);
+            xTimerStart(m_flashTimer, 0);
+            LOG_DEBUG("Led Flash timer created");
+        }
+    }
+
     void Led::blinkColor(const uint16_t tOn, const uint16_t tOff, const color_t color)
     {
+        std::lock_guard<std::mutex> lock(m_ledMutex);
         blinkStop();
-        m_lp.color1 = color;
-        m_lp.color2 = {0, 0, 0};
-        m_lp.tOn = tOn;
-        m_lp.tOff = tOff;
-        xTaskCreate(blinkTask, "blinker", TASK_STACK, static_cast<void *>(&m_lp), TASK_PRIORITY, &m_lp.blinkTask);
+        m_color1 = color;
+        m_color2 = {0, 0, 0};
+        m_tOn = tOn;
+        m_tOff = tOff;
+        xTaskCreate(blinkTask, "blinker", TASK_STACK, this, TASK_PRIORITY, &m_blinkTask);
     }
 
     void Led::blinkAlternate(const uint16_t tOn, const uint16_t tOff, const color_t color1, const color_t color2)
     {
-        {
-            blinkStop();
-            m_lp.color1 = color1;
-            m_lp.color2 = color2;
-            m_lp.tOn = tOn;
-            m_lp.tOff = tOff;
-            xTaskCreate(blinkTask, "blinker", TASK_STACK, static_cast<void *>(&m_lp), TASK_PRIORITY, &m_lp.blinkTask);
-        }
+        std::lock_guard<std::mutex> lock(m_ledMutex);
+        blinkStop();
+        m_color1 = color1;
+        m_color2 = color2;
+        m_tOn = tOn;
+        m_tOff = tOff;
+        xTaskCreate(blinkTask, "blinker", TASK_STACK, this, TASK_PRIORITY, &m_blinkTask);
     }
 
     void Led::blinkStop()
     {
-        if (m_lp.blinkTask != NULL)
-            vTaskDelete(m_lp.blinkTask);
-        m_lp.blinkTask = NULL;
+        if (m_blinkTask != NULL)
+            vTaskDelete(m_blinkTask);
+        m_blinkTask = NULL;
     }
 
     void Led::blinkTask(void *params)
     {
+        Led *led = static_cast<Led *>(params);
         LOG_DEBUG("Blinker Task Created");
-        led_params_t *lPar = static_cast<led_params_t *>(params);
         while (true)
         {
-            rgbLedWrite(lPar->pin, lPar->color1.g, lPar->color1.r, lPar->color1.b);
-            delay(lPar->tOn);
-            rgbLedWrite(lPar->pin, lPar->color2.g, lPar->color2.r, lPar->color2.b); // off
-            if (lPar->tOff == 0)
+            {
+                std::lock_guard<std::mutex> lock(led->m_ledMutex);
+                rgbLedWrite(led->c_ledPin, led->m_color1.g, led->m_color1.r, led->m_color1.b);
+            }
+            delay(led->m_tOn);
+            {
+                std::lock_guard<std::mutex> lock(led->m_ledMutex);
+                rgbLedWrite(led->c_ledPin, led->m_color2.g, led->m_color2.r, led->m_color2.b); // off
+            }
+            if (led->m_tOff == 0)
                 break;
-            delay(lPar->tOff);
+            delay(led->m_tOff);
         }
         LOG_DEBUG("Blinker Task Ended");
-        lPar->blinkTask = NULL;
+        led->m_blinkTask = NULL;
         vTaskDelete(NULL);
     }
 }
diff --git a/lib/GPIO/LED_Driver.h b/lib/GPIO/LED_Driver.h
index 5c5f185..8be0ef0 100644
--- a/lib/GPIO/LED_Driver.h
+++ b/lib/GPIO/LED_Driver.h
@@ -5,21 +5,22 @@
 #define DEBUGLOG_DEFAULT_LOG_LEVEL_INFO
 #include <DebugLog.h>
 
+#include <mutex>
+
 namespace drivers
 {
 
     class Led
     {
-        const uint8_t c_ledPin = 38;
-
-    public:
+        
+        public:
         typedef struct
         {
             uint8_t r;
             uint8_t g;
             uint8_t b;
         } color_t;
-
+        
         const color_t COLOR_RED = {255, 0, 0};
         const color_t COLOR_ORANGE = {255, 127, 0};
         const color_t COLOR_YELLOW = {255, 255, 0};
@@ -30,32 +31,35 @@ namespace drivers
         const color_t COLOR_BLUE = {0, 0, 255};
         const color_t COLOR_VIOLET = {127, 0, 255};
         const color_t COLOR_MAGENTA = {255, 0, 255};
-
-    private:
-        typedef struct
-        {
-            color_t color1;
-            color_t color2;
-            uint8_t pin;
-            uint16_t tOn;
-            uint16_t tOff;
-            TaskHandle_t blinkTask;
-        } led_params_t;
-
-    public:
+        
+        public:
         Led();
         ~Led();
-
+        
         void setColor(const color_t color);
+        void flashColor(const uint16_t tOn, const color_t color);
         void blinkColor(const uint16_t tOn, const uint16_t tOff, const color_t color);
         void blinkAlternate(const uint16_t tOn, const uint16_t tOff, const color_t color1, const color_t color2);
         void blinkStop();
-
-    private:
+        
+        private:
+        static void flashHandle(TimerHandle_t th);
         static void blinkTask(void *params);
+        
+        private:
+        const uint8_t c_ledPin = 38;
+        
+        color_t m_color1;
+        color_t m_color2;
+        color_t m_colorDefault;
 
-    private:
-        led_params_t m_lp;
+        uint16_t m_tOn;
+        uint16_t m_tOff;
+
+        TaskHandle_t m_blinkTask;
+        TimerHandle_t m_flashTimer;
+
+        std::mutex m_ledMutex;
     };
 
 }
diff --git a/src/commands.cpp b/src/commands.cpp
index 9f382cd..76a82cd 100644
--- a/src/commands.cpp
+++ b/src/commands.cpp
@@ -78,27 +78,28 @@ namespace commands
         ArduinoJson::JsonDocument response;
         response["cmd"] = "setCronJob";
 
-        const auto &jobName = params["name"].as<std::string>();
+        const auto &eventName = params["name"].as<std::string>();
         const auto &timeStr = params["cronExpr"].as<std::string>();
         const auto &actionStr = params["action"].as<std::string>();
+        response["values"]["name"] = eventName;
 
         ArduinoJson::JsonDocument action;
         if (ArduinoJson::deserializeJson(action, actionStr) != ArduinoJson::DeserializationError::Ok)
         {
             LOG_ERROR("setCronJob unable to deserialize cron job [", actionStr.c_str(), "]");
-            response["value"]["status"] = "invalid";
+            response["values"]["status"] = "invalid";
             return response;
         }
 
         auto &cron = Cron::getInstance(dev);
-        if (!cron.addEvent(jobName, timeStr, action))
+        if (!cron.addEvent(eventName, timeStr, action))
         {
             LOG_ERROR("setCronJob unable to add job [", actionStr.c_str(), "]");
-            response["value"]["status"] = "invalid";
+            response["values"]["status"] = "invalid";
             return response;
         }
         LOG_INFO("setCronJob added job [", actionStr.c_str(), "]");
-        response["value"]["status"] = "valid";
+        response["values"]["status"] = "valid";
         return response;
     }
     const ArduinoJson::JsonDocument Commands::getCronJob(const devices_t &dev, const ArduinoJson::JsonDocument &params)
@@ -107,6 +108,7 @@ namespace commands
         response["cmd"] = "getCronJob";
         auto &cron = Cron::getInstance(dev);
         auto eventName = params["name"].as<std::string>();
+        response["values"]["name"] = eventName;
 
         if (eventName.empty())
         {
@@ -144,7 +146,6 @@ namespace commands
         ArduinoJson::JsonDocument action;
         action["cmd"] = cmd;
         action["params"] = cmdParams;
-        response["values"]["name"] = eventName;
         response["values"]["cronExpr"] = cron::to_cronstr(cronExpr);
         response["values"]["action"] = action;
 
@@ -157,6 +158,7 @@ namespace commands
         response["cmd"] = "delCronJob";
         auto &cron = Cron::getInstance(dev);
         auto eventName = params["name"].as<std::string>();
+        response["values"]["name"] = eventName;
         if (eventName.empty() || !cron.delEvent(eventName))
         {
             LOG_ERROR("delCronJob failed to delete job [", eventName.c_str(), "]");
@@ -189,20 +191,18 @@ namespace commands
     const ArduinoJson::JsonDocument Commands::setHPlimit(const devices_t &dev, const ArduinoJson::JsonDocument &params)
     {
         ArduinoJson::JsonDocument response;
-        {
-            std::string msg;
-            serializeJson(params, msg);
-            LOG_INFO("setHPlimit params ->", msg.c_str());
-        };
+        response["cmd"] = "setHPlimit";
         if (!params["level"].is<std::string>())
         {
             LOG_ERROR("setHPlimit incorrect parameters");
             return response;
         }
         const auto level = params["level"].as<std::string>();
+        response["values"]["level"] = level;
         if (!c_hpLimitsMap.contains(level))
         {
             LOG_ERROR("setHPlimit invalid level", level.c_str());
+            response["values"]["status"] = "invalid";
             return response;
         }
         for (const auto [lvl, ro] : c_hpLimitsMap)
@@ -213,17 +213,14 @@ namespace commands
                 dev.io.digitalOutWrite(ro, false);
         }
         LOG_INFO("setHPlimit -> level", level.c_str());
+        response["values"]["status"] = "valid";
         return response;
     }
 
     const ArduinoJson::JsonDocument Commands::setHeating(const devices_t &dev, const ArduinoJson::JsonDocument &params)
     {
         ArduinoJson::JsonDocument response;
-        {
-            std::string msg;
-            serializeJson(params, msg);
-            LOG_INFO("setHeating params ->", msg.c_str());
-        };
+        response["cmd"] = "setHeating";
         if (params.isNull())
         {
             LOG_ERROR("setHeating incorrect paramaters");
@@ -236,15 +233,20 @@ namespace commands
             if (params[lvl] == "ON")
             {
                 dev.io.digitalOutWrite(ro, true);
+                response["values"][lvl] = "ON";
                 LOG_INFO("setHeating -> ", lvl.c_str(), "ON");
             }
             else if (params[lvl] == "OFF")
             {
                 dev.io.digitalOutWrite(ro, false);
+                response["values"][lvl] = "OFF";
                 LOG_INFO("setHeating -> ", lvl.c_str(), "OFF");
             }
             else
+            {
+                response["values"][lvl] = "invalid";
                 LOG_ERROR("setHeating invalid valve state");
+            }
         }
         return response;
     }
@@ -277,11 +279,6 @@ namespace commands
     {
         ArduinoJson::JsonDocument response;
         auto &conf = Config::getInstance();
-        {
-            std::string msg;
-            serializeJson(params, msg);
-            LOG_INFO("setIrrigation params ->", msg.c_str());
-        };
         response["cmd"] = "setIrrigation";
         if (params.isNull())
         {
@@ -292,6 +289,8 @@ namespace commands
         const uint16_t tOn(params["timeOn"].as<uint16_t>());
         const uint16_t tPause(params["timePause"].as<uint16_t>());
 
+        response["values"]["zone"] = zone;
+
         if (zone == "stop")
         { // stop all zones and reset timers
             LOG_INFO("setIrrigation stop all zones");
@@ -321,6 +320,8 @@ namespace commands
             return response;
         }
 
+        response["values"]["timeOn"] = tOn;
+        response["values"]["timePause"] = tPause;
         if (!c_irrigationValveMap.contains(zone) || tOn <= 0 || tPause <= 0) // verify if zone is a valid map key
         {
             LOG_ERROR("setIrrigation incorrect zone[", zone.c_str(), "] or time values tOn[", tOn, "] tPause[", tPause, "]");
@@ -366,7 +367,7 @@ namespace commands
             dev.io.digitalOutWrite(zoneIoNumber, true);
             xTimerStart(shTimer, 0);
             timerHandle = shTimer;
-            response["values"]["status"] = "ok";
+            response["values"]["status"] = "valid";
             LOG_INFO("setIrrigation zone [", timerName, "] tOn[", tOn, "] tPause[", tPause, "]");
         }
         return response;
@@ -387,15 +388,13 @@ namespace commands
 
         if (!rtcOk || !ntpOk)
         {
-            response["values"]["status"] = "unable to get time";
+            response["values"]["status"] = "invalid";
             return response;
         }
 
         response["values"]["status"] = "valid";
         response["values"]["time"] = rtc.getTimeStr();
-
         LOG_INFO("setTimeNTP -> RTC is [", response["status"]["time"].as<std::string>().c_str(), "]");
-
         return response;
     }
     // SETTERS //
@@ -482,7 +481,7 @@ namespace commands
 
         if (!rtcOk || !ntpOk)
         {
-            response["values"]["status"] = "unable to get time";
+            response["values"]["status"] = "invalid";
             return response;
         }
 
@@ -492,7 +491,8 @@ namespace commands
         auto timeDiff = std::chrono::duration_cast<std::chrono::seconds>(ntpTimePoint - rtcTimePoint);
         auto direction = timeDiff.count() >= 0 ? "BEYOND" : "AHEAD";
 
-        response["values"]["drift"] = (int32_t)timeDiff.count();
+        response["values"]["status"] = "valid";
+        response["values"]["drift"] = (uint32_t)timeDiff.count();
         response["values"]["direction"] = "RTC is [" + std::string(direction) + "] NTP time";
 
         LOG_INFO("getTimeDrift -> RTC is [", (int32_t)timeDiff.count(), "] sec, [", std::string(direction).c_str(), "] NTP time");
diff --git a/src/cronjobs.cpp b/src/cronjobs.cpp
index 4e013ff..3301123 100644
--- a/src/cronjobs.cpp
+++ b/src/cronjobs.cpp
@@ -222,7 +222,13 @@ const bool Cron::processEvents()
             next = cron::cron_next(cronexrp, nowTm); // update next execution time only if event was executed
                                                      // otherwise time tracking is lost
             LOG_INFO("Cron running event [", eventName.c_str(), "] next execution time [", drivers::PCF85063::tm2str(next).c_str(), "]");
-            auto resp = commands::s_commandMap.at(cmd)(m_dev, cmdParams); // here the magic happens
+            auto action = commands::s_commandMap.at(cmd)(m_dev, cmdParams); // here the magic happens
+            ArduinoJson::JsonDocument resp;
+            resp["cmd"] = "logCronJob";
+            resp["values"]["name"] = eventName;
+            resp["values"]["now"] = drivers::PCF85063::tm2str(nowTm).c_str();
+            resp["values"]["next"] = drivers::PCF85063::tm2str(next).c_str();
+            resp["values"]["action"] = action;
             if (m_callback)
             {
                 m_callback(resp);
diff --git a/src/main.cpp b/src/main.cpp
index ff61ea9..a2609a2 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -57,7 +57,7 @@ void loop()
 
   ////////////////   MQTT  //////////////
   /////////////// CALLBACK //////////////
-  std::function<void(const ArduinoJson::JsonDocument &)> commandsCallback =
+  MQTTwrapper::ActionCallback commandsCallback =
       [&mqtt, &devices](const ArduinoJson::JsonDocument &doc)
   {
     if (!doc["cmd"].is<std::string>())
@@ -81,6 +81,18 @@ void loop()
     }
   };
 
+  MQTTwrapper::MessageCallback onMessage = [&devices](const MQTTwrapper::Topic &topic, const MQTTwrapper::Message &message)
+  {
+    LOG_INFO("onMessage callback [", topic.c_str(),"]");
+    devices.led.flashColor(250, devices.led.COLOR_YELLOW);
+  };
+  
+  MQTTwrapper::MessageCallback onPublish = [&devices](const MQTTwrapper::Topic &topic, const MQTTwrapper::Message &message)
+  {
+    LOG_INFO("onPublish callback [", topic.c_str(),"]");
+    devices.led.flashColor(250, devices.led.COLOR_BLUE);
+  };
+
   /////////////   CRONJOB  //////////////
   /////////////// CALLBACK //////////////
   Cron::CronCallback cronCallback = [&mqtt](const ArduinoJson::JsonDocument &resp)
@@ -132,6 +144,8 @@ void loop()
             buzzer.beep(250, NOTE_B);
             led.setColor(led.COLOR_GREEN);
             mqtt.subscribe(conf.m_mqttSubscribe["commands"], commandsCallback);
+            mqtt.setOnMessageCb(onMessage);
+            mqtt.setOnPublishCb(onPublish);
             break;
           }
           delay(250);
diff --git a/src/mqtt.cpp b/src/mqtt.cpp
index 63d4f6a..ca5216f 100644
--- a/src/mqtt.cpp
+++ b/src/mqtt.cpp
@@ -44,7 +44,7 @@ const bool MQTTwrapper::disconnect()
     return true;
 }
 
-const bool MQTTwrapper::subscribe(const topic_t &topic, const action_t action)
+const bool MQTTwrapper::subscribe(const Topic &topic, const ActionCallback action)
 {
     if (m_actionMap.contains(topic))
     {
@@ -61,7 +61,7 @@ const bool MQTTwrapper::subscribe(const topic_t &topic, const action_t action)
     return false;
 }
 
-const bool MQTTwrapper::unsubscribe(const topic_t &topic)
+const bool MQTTwrapper::unsubscribe(const Topic &topic)
 {
     if (!m_actionMap.contains(topic))
     {
@@ -83,7 +83,7 @@ const bool MQTTwrapper::connected()
     return m_loopHandle != NULL;
 }
 
-const bool MQTTwrapper::publish(const topic_t &topic, const ArduinoJson::JsonDocument obj)
+const bool MQTTwrapper::publish(const Topic &topic, const ArduinoJson::JsonDocument obj)
 {
     std::string message;
     if (!m_client.connected())
@@ -99,12 +99,32 @@ const bool MQTTwrapper::publish(const topic_t &topic, const ArduinoJson::JsonDoc
     if (m_client.publish(topic.c_str(), message.c_str()))
     {
         LOG_DEBUG("MQTT published topic [", topic.c_str(), "] - message [", message.c_str(), "]");
+        if (m_onPublish)
+        {
+            m_onPublish(topic, message);
+        }
         return true;
     }
     LOG_ERROR("MQTT failed to publish topic [", topic.c_str(), "] - message [", message.c_str(), "]");
     return false;
 }
 
+void MQTTwrapper::setOnMessageCb(MessageCallback cb)
+{
+    if (cb)
+        m_onReceive = cb;
+    else
+        LOG_ERROR("MQTT invalid onReceive Callback");
+}
+
+void MQTTwrapper::setOnPublishCb(MessageCallback cb)
+{
+    if (cb)
+        m_onPublish = cb;
+    else
+        LOG_ERROR("MQTT invalid onPublish Callback");
+}
+
 void MQTTwrapper::callback(char *topic, uint8_t *payload, unsigned int length)
 {
     std::string pl;
@@ -120,13 +140,15 @@ void MQTTwrapper::callback(char *topic, uint8_t *payload, unsigned int length)
     return;
 }
 
-void MQTTwrapper::onMessage(const std::string topic, const std::string message)
+void MQTTwrapper::onMessage(const Topic topic, const Message message)
 {
     ArduinoJson::JsonDocument obj;
     LOG_DEBUG("MQTT received topic [", topic.c_str(), "] - message [", message.c_str(), "]");
     if (ArduinoJson::deserializeJson(obj, message) == ArduinoJson::DeserializationError::Ok)
     {
         m_actionMap[topic](obj);
+        if (m_onReceive)
+            m_onReceive(topic, message);
         return;
     }
     LOG_ERROR("MQTT failed to deserialize message\n", message.c_str());
diff --git a/src/mqtt.h b/src/mqtt.h
index f199ac5..be90107 100644
--- a/src/mqtt.h
+++ b/src/mqtt.h
@@ -13,12 +13,16 @@
 #include <mutex>
 #include <functional>
 
-typedef std::string topic_t;
-typedef std::function<void(const ArduinoJson::JsonDocument &)> action_t; // the actions receive a JsonObject containing the received message
-typedef std::map<topic_t, action_t> action_map_t;
-
 class MQTTwrapper
 {
+public:
+    using Topic = std::string;
+    using Message = std::string;
+    using MessageCallback = std::function<void(const Topic &topic, const Message &message)>;
+    using ActionCallback = std::function<void(const ArduinoJson::JsonDocument &)>; // the actions receive a JsonObject containing the received message
+    using StateChangeCallback = std::function<void(void)>;
+
+    using ActionMap = std::map<Topic, ActionCallback>;
 
 private:
     const std::map<int, std::string> stateMap = {
@@ -31,8 +35,7 @@ private:
         {2, "MQTT_CONNECT_BAD_CLIENT_ID"},
         {3, "MQTT_CONNECT_UNAVAILABLE"},
         {4, "MQTT_CONNECT_BAD_CREDENTIALS"},
-        {5, "MQTT_CONNECT_UNAUTHORIZED"}
-    };
+        {5, "MQTT_CONNECT_UNAUTHORIZED"}};
 
 private:
     static MQTTwrapper *
@@ -54,10 +57,13 @@ public:
     const bool disconnect();
     const bool connected();
 
-    const bool subscribe(const topic_t &topic, const action_t action);
-    const bool unsubscribe(const topic_t &topic);
+    const bool subscribe(const Topic &topic, const ActionCallback action);
+    const bool unsubscribe(const Topic &topic);
 
-    const bool publish(const topic_t &topic, const ArduinoJson::JsonDocument obj);
+    const bool publish(const Topic &topic, const ArduinoJson::JsonDocument obj);
+
+    void setOnMessageCb(MessageCallback cb);
+    void setOnPublishCb(MessageCallback cb);
 
 private:
     static void callback(char *topic, uint8_t *payload, unsigned int length); // C-style callback only to invoke onMessage
@@ -68,8 +74,11 @@ private:
 
 private:
     const Config &m_config;
-    action_map_t m_actionMap;
+    ActionMap m_actionMap;
     NetworkClient m_tcp;
     PubSubClient m_client;
     TaskHandle_t m_loopHandle;
+
+    MessageCallback m_onPublish;
+    MessageCallback m_onReceive;
 };