diff --git a/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/ESPMegaIoT.cpp b/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/ESPMegaIoT.cpp
index b11e46b..51ffd56 100644
--- a/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/ESPMegaIoT.cpp
+++ b/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/ESPMegaIoT.cpp
@@ -65,10 +65,12 @@ void ESPMegaIoT::mqttCallback(char *topic, byte *payload, unsigned int length)
                 components[i]->publishReport();
             }
         }
+        return;
     }
     // Check for global summary request
     if (!strcmp(topic_without_base,"requestinfo")) {
         this->publishSystemSummary();
+        return;
     }
     // Call the respective card's mqtt callback
     // Note that after the base topic, there should be the card id
@@ -393,6 +395,18 @@ void ESPMegaIoT::publish(const char *topic, const char *payload)
     mqtt.publish(topic, payload);
 }
 
+/**
+ * @brief Publish a message to a topic
+ *
+ * @param topic The topic to publish to
+ * @param payload The payload to publish
+ * @param length The length of the payload
+ */
+void ESPMegaIoT::publish(const char *topic, const char *payload, unsigned int length)
+{
+    mqtt.publish(topic, (const uint8_t *)payload, length);
+}
+
 /**
  * @brief Register a callback for MQTT messages
  *
@@ -416,7 +430,7 @@ void ESPMegaIoT::unregisterMqttCallback(uint16_t handler)
 }
 
 /**
- * @brief Subscribe to all components's topics
+ * @brief Subscribe to all components's topics and all other topics
  */
 void ESPMegaIoT::mqttSubscribe()
 {
@@ -436,6 +450,9 @@ void ESPMegaIoT::mqttSubscribe()
             mqtt.loop();
         }
     }
+    // Global topics
+    this->subscribeRelative("requeststate");
+    this->subscribeRelative("requestinfo");
 }
 
 /**
@@ -531,6 +548,21 @@ void ESPMegaIoT::publishRelative(const char *topic, const char *payload)
     mqtt.loop();
 }
 
+/**
+ * @brief Publish a message relative to the base topic
+ *
+ * @param topic The topic to publish to
+ * @param payload The payload to publish
+ * @param length The length of the payload
+ */
+void ESPMegaIoT::publishRelative(const char *topic, const char *payload, unsigned int length)
+{
+    char absolute_topic[100];
+    sprintf(absolute_topic, "%s/%s", this->mqtt_config.base_topic, topic);
+    mqtt.publish(absolute_topic, (const uint8_t *)payload, length);
+    mqtt.loop();
+}
+
 /**
  * @brief Subscribe to a topic relative to the base topic
  *
@@ -857,14 +889,7 @@ void ESPMegaIoT::publishSystemSummary() {
     StaticJsonDocument<1024> doc;
     JsonObject root = doc.to<JsonObject>();
     root["ip"] = this->getIp().toString();
-    root["mac"] = this->getMac();
-    root["mqtt_connected"] = this->mqttConnected();
-    root["network_connected"] = this->networkConnected();
-    root["mqtt_server"] = this->mqtt_config.mqtt_server;
-    root["mqtt_port"] = this->mqtt_config.mqtt_port;
-    root["hostname"] = this->network_config.hostname;
     root["firmware"] = SW_VERSION;
-    root["idf_version"] = esp_get_idf_version();
     root["sdk_version"] = SDK_VESRION;
     root["board_model"] = BOARD_MODEL;
     JsonArray cards = root.createNestedArray("cards");
@@ -878,5 +903,7 @@ void ESPMegaIoT::publishSystemSummary() {
         }
     }
     serializeJson(doc, payload);
-    this->publishRelative("info", payload);
+    ESP_LOGD("ESPMegaIoT", "Publishing system summary: %s", payload);
+    mqtt.loop();
+    this->publishRelative("info", payload, strlen(payload));
 }
\ No newline at end of file
diff --git a/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/ESPMegaIoT.hpp b/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/ESPMegaIoT.hpp
index d47f723..76498c0 100644
--- a/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/ESPMegaIoT.hpp
+++ b/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/ESPMegaIoT.hpp
@@ -83,6 +83,7 @@ public:
     void publishCard(uint8_t card_id);
     // Publish topic appended with base topic
     void publishRelative(const char *topic, const char *payload);
+    void publishRelative(const char *topic, const char *payload, unsigned int length);
     // Subscribe topic appended with base topic
     void subscribeRelative(const char *topic);
     void subscribe(const char *topic);
@@ -107,6 +108,7 @@ public:
     bool mqttConnected();
     void disconnectFromMqtt();
     void publish(const char *topic, const char *payload);
+    void publish(const char *topic, const char *payload, unsigned int length);
     uint16_t registerMqttCallback(std::function<void(char *, char *)> callback);
     void unregisterMqttCallback(uint16_t handler);
     uint16_t registerRelativeMqttCallback(std::function<void(char *, char *)> callback);
diff --git a/ESPMegaPRO-OS-SDK/src/main.cpp b/ESPMegaPRO-OS-SDK/src/main.cpp
index e8e43af..aa0bedf 100644
--- a/ESPMegaPRO-OS-SDK/src/main.cpp
+++ b/ESPMegaPRO-OS-SDK/src/main.cpp
@@ -15,13 +15,13 @@
 // #define FRAM_DEBUG
 // #define MQTT_DEBUG
 #define WRITE_DEFAULT_NETCONF
-//#define CLIMATE_CARD_ENABLE
+#define CLIMATE_CARD_ENABLE
 #define MQTT_CARD_REGISTER
 #define DISPLAY_ENABLE
 #define WEB_SERVER_ENABLE
 #define LCD_OTA_ENABLE
-//#define REMOTE_VARIABLE_ENABLE
-//#define CT_ENABLE
+// #define REMOTE_VARIABLE_ENABLE
+// #define CT_ENABLE
 #define SMART_VARIABLE_ENABLE
 
 // Demo PLC firmware using the ESPMegaPRO OOP library
@@ -236,6 +236,7 @@ void setup()
     ct.bindFRAM(&espmega.fram, 7000);
     ct.loadEnergy();
     ct.setEnergyAutoSave(true);
+    espmega.iot->registerCard(3);
 #endif
 #ifdef SMART_VARIABLE_ENABLE
     ESP_LOGI("Initializer", "Initializing smart variable");