diff --git a/Template Project/lib/ESPMegaPRO/AnalogCard.cpp b/Template Project/lib/ESPMegaPRO/AnalogCard.cpp
index e4accba..aeec23a 100644
--- a/Template Project/lib/ESPMegaPRO/AnalogCard.cpp	
+++ b/Template Project/lib/ESPMegaPRO/AnalogCard.cpp	
@@ -19,9 +19,9 @@ void AnalogCard::setDACState(uint8_t pin, bool state)
 {
     this->dac_state[pin] = state;
     this->sendDataToDAC(pin, this->dac_value[pin]*state);
-    if (this->dac_change_callback != NULL)
+    for (int i = 0; i < this->dac_change_callbacks.size(); i++)
     {
-        this->dac_change_callback(pin, state, this->dac_value[pin]);
+        this->dac_change_callbacks[i](pin, state, this->dac_value[pin]);
     }
 }
 
@@ -29,9 +29,9 @@ void AnalogCard::setDACValue(uint8_t pin, uint16_t value)
 {
     this->dac_value[pin] = value;
     this->sendDataToDAC(pin, value*this->dac_state[pin]);
-    if (this->dac_change_callback != NULL)
+    for (int i = 0; i < this->dac_change_callbacks.size(); i++)
     {
-        this->dac_change_callback(pin, this->dac_state[pin], value);
+        this->dac_change_callbacks[i](pin, this->dac_state[pin], value);
     }
 }
 
@@ -121,10 +121,18 @@ uint8_t AnalogCard::getType()
 
 void AnalogCard::registerDACChangeCallback(std::function<void(uint8_t, bool, uint16_t)> callback)
 {
-    this->dac_change_callback = callback;
+    this->dac_change_callbacks.push_back(callback);
 }
 
-void AnalogCard::deregisterDACChangeCallback()
-{
-    this->dac_change_callback = NULL;
-}
\ No newline at end of file
+// void AnalogCard::deregisterDACChangeCallback(std::function<void(uint8_t, bool, uint16_t)> callback)
+// {
+//     for (int i = 0; i < this->dac_change_callbacks.size(); i++)
+//     {
+//         if (this->dac_change_callbacks[i].target<void(uint8_t, bool, uint16_t)>() == callback.target<void(uint8_t, bool, uint16_t)>())
+//         {
+//             this->dac_change_callbacks.erase(this->dac_change_callbacks.begin() + i);
+//             break;
+//         }
+//     }
+
+// }
\ No newline at end of file
diff --git a/Template Project/lib/ESPMegaPRO/AnalogCard.hpp b/Template Project/lib/ESPMegaPRO/AnalogCard.hpp
index 6c38a35..83aeda7 100644
--- a/Template Project/lib/ESPMegaPRO/AnalogCard.hpp	
+++ b/Template Project/lib/ESPMegaPRO/AnalogCard.hpp	
@@ -2,6 +2,7 @@
 #include <ExpansionCard.hpp>
 #include <Adafruit_ADS1X15.h>
 #include <MCP4725.h>
+#include <vector>
 
 #define CARD_TYPE_ANALOG 0x02
 
@@ -25,10 +26,10 @@ class AnalogCard : public ExpansionCard {
         void setDACState(uint8_t pin, bool state);
         void setDACValue(uint8_t pin, uint16_t value);
         void registerDACChangeCallback(std::function<void(uint8_t, bool, uint16_t)> callback);
-        void deregisterDACChangeCallback();
+        //void deregisterDACChangeCallback(std::function<void(uint8_t, bool, uint16_t)> callback);
         uint8_t getType();
     private:
-        std::function<void(uint8_t, bool, uint16_t)> dac_change_callback;
+        std::vector<std::function<void(uint8_t, bool, uint16_t)>> dac_change_callbacks;
         bool dac_state[4];
         uint16_t dac_value[4];
         MCP4725 dac0;
diff --git a/Template Project/lib/ESPMegaPRO/AnalogIoT.cpp b/Template Project/lib/ESPMegaPRO/AnalogIoT.cpp
index b809874..358bb3e 100644
--- a/Template Project/lib/ESPMegaPRO/AnalogIoT.cpp	
+++ b/Template Project/lib/ESPMegaPRO/AnalogIoT.cpp	
@@ -48,6 +48,10 @@ void AnalogIoT::publishADC(uint8_t pin) {
         this->publishRelative(topic, payload);
         delete[] topic;
         delete[] payload;
+        // Call all callbacks
+        for (int i = 0; i < this->adc_conversion_callbacks.size(); i++) {
+            this->adc_conversion_callbacks[i](pin, value);
+        }
     }
 }
 void AnalogIoT::setADCsPublishInterval(uint32_t interval) {
@@ -60,18 +64,17 @@ void AnalogIoT::setADCsPublishEnabled(bool enabled) {
         adc_publish_enabled[i] = enabled;
     }
 }
-void AnalogIoT::registerDACChangeCallback(std::function<void(uint8_t, uint16_t)> callback) {
-    dac_change_callback = callback;
-}
-void AnalogIoT::deregisterDACChangeCallback() {
-    dac_change_callback = NULL; 
-}
 void AnalogIoT::registerADCConversionCallback(std::function<void(uint8_t, uint16_t)> callback) {
-    adc_conversion_callback = callback;
-}
-void AnalogIoT::deregisterADCConversionCallback() {
-    adc_conversion_callback = NULL;
+    this->adc_conversion_callbacks.push_back(callback);
 }
+// void AnalogIoT::deregisterADCConversionCallback(std::function<void(uint8_t, uint16_t)> callback) {
+//     for (int i = 0; i < this->adc_conversion_callbacks.size(); i++) {
+//         if (this->adc_conversion_callbacks[i].target<void(uint8_t, uint16_t)>() == callback.target<void(uint8_t, uint16_t)>()) {
+//             this->adc_conversion_callbacks.erase(this->adc_conversion_callbacks.begin() + i);
+//             break;
+//         }
+//     }
+// }
 void AnalogIoT::setADCConversionInterval(uint8_t pin, uint16_t interval) {
     adc_conversion_interval[pin] = interval;
 }
diff --git a/Template Project/lib/ESPMegaPRO/AnalogIoT.hpp b/Template Project/lib/ESPMegaPRO/AnalogIoT.hpp
index 85de6f9..0cc757c 100644
--- a/Template Project/lib/ESPMegaPRO/AnalogIoT.hpp	
+++ b/Template Project/lib/ESPMegaPRO/AnalogIoT.hpp	
@@ -1,6 +1,7 @@
 #pragma once
 #include <IoTComponent.hpp>
 #include <AnalogCard.hpp>
+#include <vector>
 
 #define DAC_SET_STATE_TOPIC "/set/state"
 #define DAC_SET_VALUE_TOPIC "/set/value"
@@ -24,10 +25,8 @@ class AnalogIoT : public IoTComponent {
         void publishDACValue(uint8_t pin);
         void setADCsPublishInterval(uint32_t interval);
         void setADCsPublishEnabled(bool enabled);
-        void registerDACChangeCallback(std::function<void(uint8_t, uint16_t)> callback);
-        void deregisterDACChangeCallback();
         void registerADCConversionCallback(std::function<void(uint8_t, uint16_t)> callback);
-        void deregisterADCConversionCallback();
+        // void deregisterADCConversionCallback(std::function<void(uint8_t, uint16_t)> callback);
         void setADCConversionInterval(uint8_t pin, uint16_t interval);
         void setADCConversionEnabled(uint8_t pin, bool enabled);
         bool processADCSetConversionIntervalMessage(char *topic, char *payload, uint8_t topic_length);
@@ -51,6 +50,5 @@ class AnalogIoT : public IoTComponent {
         bool adc_publish_enabled[8];
         uint16_t adc_conversion_interval[8];
         uint32_t last_adc_conversion[8];
-        std::function<void(uint8_t, uint16_t)> dac_change_callback;
-        std::function<void(uint8_t, uint16_t)> adc_conversion_callback;
+        std::vector<std::function<void(uint8_t, uint16_t)>> adc_conversion_callbacks;
 };
\ No newline at end of file
diff --git a/Template Project/lib/ESPMegaPRO/DigitalInputCard.cpp b/Template Project/lib/ESPMegaPRO/DigitalInputCard.cpp
index fcc5e92..d736a41 100644
--- a/Template Project/lib/ESPMegaPRO/DigitalInputCard.cpp	
+++ b/Template Project/lib/ESPMegaPRO/DigitalInputCard.cpp	
@@ -96,8 +96,8 @@ void DigitalInputCard::handlePinChange(int pin, uint8_t &currentBuffer, uint8_t
         {
             lastDebounceTime[pin] = millis();
             previousBuffer ^= (-((currentBuffer >> (7 - pin)) & 1) ^ previousBuffer) & (1UL << (7 - pin));
-            if (callback != NULL)
-                callback(virtualPin, ((currentBuffer >> (7 - pin)) & 1));
+            for (int i = 0; i < callbacks.size(); i++)
+                callbacks[i](virtualPin, ((currentBuffer >> (7 - pin)) & 1));
         }
     }
     // Handle Bank B
@@ -107,12 +107,13 @@ void DigitalInputCard::handlePinChange(int pin, uint8_t &currentBuffer, uint8_t
         {
             lastDebounceTime[pin] = millis();
             previousBuffer ^= (-((currentBuffer >> (15 - pin)) & 1) ^ previousBuffer) & (1UL << (15 - pin));
-            if (callback != NULL)
-                callback(virtualPin, ((currentBuffer >> (15 - pin)) & 1));
+            for (int i = 0; i < callbacks.size(); i++)
+                callbacks[i](virtualPin, ((currentBuffer >> (15 - pin)) & 1));
         }
     }
 }
 
+
 // Preform a loop to refresh the input buffers
 void DigitalInputCard::loop()
 {
@@ -158,7 +159,7 @@ uint8_t DigitalInputCard::getInputBufferB()
 // Register a callback function to be called when a pin changes
 void DigitalInputCard::registerCallback(std::function<void(uint8_t, bool)> callback)
 {
-    this->callback = callback;
+    callbacks.push_back(callback);
 }
 
 // Refresh the input buffer for bank A
@@ -178,10 +179,17 @@ void DigitalInputCard::setDebounceTime(uint8_t pin, uint32_t debounceTime)
     this->debounceTime[pin] = debounceTime;
 }
 
-void DigitalInputCard::unregisterCallback()
-{
-    this->callback = NULL;
-}
+// void DigitalInputCard::unregisterCallback(std::function<void(uint8_t, bool)> callback)
+// {
+//     for (int i = 0; i < callbacks.size(); i++)
+//     {
+//         if (callbacks[i].target<void(uint8_t, bool)>() == callback.target<void(uint8_t, bool)>())
+//         {
+//             callbacks.erase(callbacks.begin() + i);
+//             break;
+//         }
+//     }
+// }
 
 void DigitalInputCard::loadPinMap(uint8_t pinMap[16])
 {
diff --git a/Template Project/lib/ESPMegaPRO/DigitalInputCard.hpp b/Template Project/lib/ESPMegaPRO/DigitalInputCard.hpp
index 54caf91..db6b129 100644
--- a/Template Project/lib/ESPMegaPRO/DigitalInputCard.hpp	
+++ b/Template Project/lib/ESPMegaPRO/DigitalInputCard.hpp	
@@ -1,6 +1,7 @@
 #pragma once
 #include <ExpansionCard.hpp>
 #include <PCF8574.h>
+#include <vector>
 
 #define CARD_TYPE_DIGITAL_INPUT 0x01
 
@@ -27,7 +28,7 @@ class DigitalInputCard : public ExpansionCard {
         // Register a callback function to be called when a pin changes
         void registerCallback(std::function<void(uint8_t, bool)> callback);
         // Unregister the callback function
-        void unregisterCallback();
+        //void unregisterCallback(std::function<void(uint8_t, bool)> callback);
         // Load a new pin map
         void loadPinMap(uint8_t pinMap[16]);
         // Get type of card
@@ -47,7 +48,7 @@ class DigitalInputCard : public ExpansionCard {
         uint8_t pinMap[16];
         // A map of the virtual pin to the physical pin
         uint8_t virtualPinMap[16];
-        std::function<void(uint8_t, bool)> callback;
+        std::vector<std::function<void(uint8_t, bool)>> callbacks;
         void refreshInputBankA();
         void refreshInputBankB();
         void handlePinChange(int pin, uint8_t& currentBuffer, uint8_t& previousBuffer);
diff --git a/Template Project/lib/ESPMegaPRO/DigitalInputIoT.cpp b/Template Project/lib/ESPMegaPRO/DigitalInputIoT.cpp
index ea5666a..6349803 100644
--- a/Template Project/lib/ESPMegaPRO/DigitalInputIoT.cpp	
+++ b/Template Project/lib/ESPMegaPRO/DigitalInputIoT.cpp	
@@ -46,13 +46,6 @@ void DigitalInputIoT::handleValueChange(uint8_t pin, uint8_t value) {
     if (this->digital_inputs_publish_enabled) {
         this->publishDigitalInput(pin);
     }
-    if (this->change_callback != NULL) {
-        this->change_callback(pin, value);
-    }
-
-}
-void DigitalInputIoT::registerChangeCallback(std::function<void(uint8_t, uint8_t)> callback) {
-    this->change_callback = callback;
 
 }
 void DigitalInputIoT::publishReport() {
diff --git a/Template Project/lib/ESPMegaPRO/DigitalInputIoT.hpp b/Template Project/lib/ESPMegaPRO/DigitalInputIoT.hpp
index f2bf4ce..7eeb100 100644
--- a/Template Project/lib/ESPMegaPRO/DigitalInputIoT.hpp	
+++ b/Template Project/lib/ESPMegaPRO/DigitalInputIoT.hpp	
@@ -14,12 +14,10 @@ class DigitalInputIoT : public IoTComponent {
         void publishDigitalInput(uint8_t pin);
         void setDigitalInputsPublishEnabled(bool enabled);
         void handleValueChange(uint8_t pin, uint8_t value);
-        void registerChangeCallback(std::function<void(uint8_t, uint8_t)> callback);
         void publishReport();
         void subscribe();
         uint8_t getType();
     private:
-        std::function<void(uint8_t, uint8_t)> change_callback;
         bool digital_inputs_publish_enabled = false;
         DigitalInputCard *card;
 };
\ No newline at end of file
diff --git a/Template Project/lib/ESPMegaPRO/DigitalOutputCard.cpp b/Template Project/lib/ESPMegaPRO/DigitalOutputCard.cpp
index eb938ff..fabf1ec 100644
--- a/Template Project/lib/ESPMegaPRO/DigitalOutputCard.cpp	
+++ b/Template Project/lib/ESPMegaPRO/DigitalOutputCard.cpp	
@@ -36,8 +36,8 @@ void DigitalOutputCard::digitalWrite(uint8_t pin, bool state) {
         this->saveStateToFRAM();
         this->savePinValueToFRAM(pin);
     }
-    if(change_callback != NULL) {
-        change_callback(pin, state, state ? 4095 : 0);
+    for (int i = 0; i < change_callbacks.size(); i++) {
+        change_callbacks[i](pin, state, state ? 4095 : 0);
     }
 }
 // Set the output to the specified pwm value
@@ -52,8 +52,8 @@ void DigitalOutputCard::analogWrite(uint8_t pin, uint16_t value) {
     }
     this->state_buffer[pin] = value > 0;
     this->value_buffer[pin] = value;
-    if(change_callback != NULL) {
-        change_callback(pin, value > 0, value);
+    for (int i = 0; i < change_callbacks.size(); i++) {
+        change_callbacks[i](pin, value > 0, value);
     }
 }
 
@@ -82,8 +82,8 @@ void DigitalOutputCard::setState(uint8_t pin, bool state) {
     if(this->framAutoSave) {
         this->saveStateToFRAM();
     }
-    if (change_callback != NULL) {
-        change_callback(pin, state, value_buffer[pin]);
+    for(int i = 0; i < change_callbacks.size(); i++) {
+        change_callbacks[i](pin, state, value_buffer[pin]);
     }
 }
 
@@ -95,18 +95,23 @@ void DigitalOutputCard::setValue(uint8_t pin, uint16_t value) {
     if (this->framAutoSave) {
         this->savePinValueToFRAM(pin);
     }
-    if (change_callback != NULL) {
-        change_callback(pin, state_buffer[pin], value);
+    for (int i = 0; i < change_callbacks.size(); i++) {
+        change_callbacks[i](pin, state_buffer[pin], value);
     }
 }
 
 void DigitalOutputCard::registerChangeCallback(std::function<void(uint8_t, bool, uint16_t)> callback) {
-    this->change_callback = callback;
+    this->change_callbacks.push_back(callback);
 }
 
-void DigitalOutputCard::deregisterChangeCallback() {
-    this->change_callback = NULL;
-}
+// void DigitalOutputCard::deregisterChangeCallback(std::function<void(uint8_t, bool, uint16_t)> callback) {
+//     for(int i = 0; i < change_callbacks.size(); i++) {
+//         if(change_callbacks[i].target<void(uint8_t, bool, uint16_t)>() == callback.target<void(uint8_t, bool, uint16_t)>()) {
+//             change_callbacks.erase(change_callbacks.begin()+i);
+//             break;
+//         }
+//     }
+// }
 
 void DigitalOutputCard::loadPinMap(uint8_t pinMap[16]) {
     for(int i = 0; i < 16; i++) {
diff --git a/Template Project/lib/ESPMegaPRO/DigitalOutputCard.hpp b/Template Project/lib/ESPMegaPRO/DigitalOutputCard.hpp
index 9c869ca..d17fdb4 100644
--- a/Template Project/lib/ESPMegaPRO/DigitalOutputCard.hpp	
+++ b/Template Project/lib/ESPMegaPRO/DigitalOutputCard.hpp	
@@ -2,6 +2,7 @@
 #include <ExpansionCard.hpp>
 #include <Adafruit_PWMServoDriver.h>
 #include <FRAM.h>
+#include <vector>
 
 // Protocol for digital output card
 // Note that pin is always 2 characters long and padded with 0 if necessary
@@ -49,7 +50,7 @@ public:
     // Register a callback function that will be called when the state of a pin changes
     void registerChangeCallback(std::function<void(uint8_t, bool, uint16_t)> callback);
     // Deregister the callback function
-    void deregisterChangeCallback();
+    // void deregisterChangeCallback(std::function<void(uint8_t, bool, uint16_t)> callback);
     // Load a new pin map
     void loadPinMap(uint8_t pinMap[16]);  
     // Bind the fram object to the card
@@ -89,7 +90,7 @@ private:
     // The pwm value of the card
     uint16_t value_buffer[16];
     // The callback function
-    std::function<void(uint8_t, bool, uint16_t)> change_callback;
+    std::vector<std::function<void(uint8_t, bool, uint16_t)>> change_callbacks;
     // Physical pin to virtual pin map
     uint8_t pinMap[16];
     // Return 16 bit value representing all 16 channels
diff --git a/Template Project/lib/ESPMegaPRO/ESPMegaDisplay.cpp b/Template Project/lib/ESPMegaPRO/ESPMegaDisplay.cpp
index d7f4f0f..39d981d 100644
--- a/Template Project/lib/ESPMegaPRO/ESPMegaDisplay.cpp	
+++ b/Template Project/lib/ESPMegaPRO/ESPMegaDisplay.cpp	
@@ -109,7 +109,7 @@ void ESPMegaDisplay::jumpToPage(int page) {
  * @param component The component name.
  * @param value The value to set.
  */
-void ESPMegaDisplay::setNumber(char* component, int value) {
+void ESPMegaDisplay::setNumber(const char* component, int value) {
     this->displayAdapter->print(component);
     this->displayAdapter->print("=");
     this->displayAdapter->print(value);
@@ -121,7 +121,7 @@ void ESPMegaDisplay::setNumber(char* component, int value) {
  * @param component The component name.
  * @param value The value to set.
  */
-void ESPMegaDisplay::setString(char* component, char* value) {
+void ESPMegaDisplay::setString(const char* component, const char* value) {
     this->displayAdapter->print(component);
     this->displayAdapter->print("=\"");
     this->displayAdapter->print(value);
@@ -134,7 +134,7 @@ void ESPMegaDisplay::setString(char* component, char* value) {
  * @param component The component name.
  * @return The value of the number component.
  */
-uint32_t ESPMegaDisplay::getNumber(char* component) {
+uint32_t ESPMegaDisplay::getNumber(const char* component) {
     uint32_t start = millis();
     // Send the get command
     this->displayAdapter->print("get ");
@@ -162,7 +162,7 @@ uint32_t ESPMegaDisplay::getNumber(char* component) {
  * @return The value of the string component.
  * @note The returned char array must be freed after use.
  */
-char* ESPMegaDisplay::getString(char* component) {
+char* ESPMegaDisplay::getString(const char* component) {
     uint32_t start = millis();
     // Send the get command
     this->displayAdapter->print("get ");
@@ -186,7 +186,7 @@ char* ESPMegaDisplay::getString(char* component) {
     return value;
 }
 
-bool ESPMegaDisplay::getStringToBuffer(char* component, char* buffer, uint8_t buffer_size) {
+bool ESPMegaDisplay::getStringToBuffer(const char* component, char* buffer, uint8_t buffer_size) {
     uint32_t start = millis();
     // Send the get command
     this->displayAdapter->print("get ");
diff --git a/Template Project/lib/ESPMegaPRO/ESPMegaDisplay.hpp b/Template Project/lib/ESPMegaPRO/ESPMegaDisplay.hpp
index 49bd331..d6e025d 100644
--- a/Template Project/lib/ESPMegaPRO/ESPMegaDisplay.hpp	
+++ b/Template Project/lib/ESPMegaPRO/ESPMegaDisplay.hpp	
@@ -13,11 +13,11 @@ class ESPMegaDisplay
         void setBrightness(int value);
         void setVolume(int value);
         void jumpToPage(int page);
-        void setString(char* component, char* value);
-        void setNumber(char* component, int value);
-        char* getString(char* component);
-        bool getStringToBuffer(char* component, char* buffer, uint8_t buffer_size);
-        uint32_t getNumber(char* component);
+        void setString(const char* component, const char* value);
+        void setNumber(const char* component, int value);
+        char* getString(const char* component);
+        bool getStringToBuffer(const char* component, char* buffer, uint8_t buffer_size);
+        uint32_t getNumber(const char* component);
         void handlePwmStateChange(uint8_t pin, uint16_t value);
         void handleInputStateChange(uint8_t pin, bool state);
         void registerPushCallback(std::function<void(uint8_t, uint8_t)> callback);
diff --git a/Template Project/lib/ESPMegaPRO/ESPMegaIoT.cpp b/Template Project/lib/ESPMegaPRO/ESPMegaIoT.cpp
index b535b17..8e8a93e 100644
--- a/Template Project/lib/ESPMegaPRO/ESPMegaIoT.cpp	
+++ b/Template Project/lib/ESPMegaPRO/ESPMegaIoT.cpp	
@@ -369,4 +369,27 @@ void ESPMegaIoT::bindEthernetInterface(ETHClass *ethernetIface)
 IoTComponent *ESPMegaIoT::getComponent(uint8_t card_id)
 {
     return components[card_id];
+}
+
+NetworkConfig* ESPMegaIoT::getNetworkConfig()
+{
+    return &network_config;
+}
+
+MqttConfig* ESPMegaIoT::getMqttConfig()
+{
+    return &mqtt_config;
+}
+
+bool ESPMegaIoT::mqttConnected()
+{
+    return mqtt_connected;
+}
+
+bool ESPMegaIoT::networkConnected()
+{
+    if (network_config.useWifi)
+        return WiFi.status() == WL_CONNECTED;
+    else
+        return ethernetIface->linkUp();
 }
\ No newline at end of file
diff --git a/Template Project/lib/ESPMegaPRO/ESPMegaIoT.hpp b/Template Project/lib/ESPMegaPRO/ESPMegaIoT.hpp
index 96be8ea..4c7a971 100644
--- a/Template Project/lib/ESPMegaPRO/ESPMegaIoT.hpp	
+++ b/Template Project/lib/ESPMegaPRO/ESPMegaIoT.hpp	
@@ -1,3 +1,4 @@
+#pragma once
 #include <ExpansionCard.hpp>
 #include <AnalogCard.hpp>
 #include <AnalogIoT.hpp>
@@ -59,6 +60,8 @@ public:
     void ethernetBegin();
     void loadNetworkConfig();
     void saveNetworkConfig();
+    NetworkConfig* getNetworkConfig();
+    MqttConfig* getMqttConfig();
     void setMqttConfig(MqttConfig mqtt_config);
     void saveMqttConfig();
     void loadMqttConfig();
@@ -67,6 +70,7 @@ public:
     void connectToMqtt();
     bool connectToMqtt(char *client_id, char *mqtt_server, uint16_t mqtt_port, char *mqtt_user, char *mqtt_password);
     bool connectToMqtt(char *client_id, char *mqtt_server, uint16_t mqtt_port);
+    bool mqttConnected();
     void disconnectFromMqtt();
     void publishToTopic(char *topic, char *payload);
     void registerMqttCallback(void (*callback)(char *, char *));
@@ -74,6 +78,7 @@ public:
     void registerSubscribeCallback(void (*callback)(void));
     void setBaseTopic(char *base_topic);
     void bindEthernetInterface(ETHClass *ethernetIface);
+    bool networkConnected();
 
     IoTComponent* getComponent(uint8_t card_id);
     IPAddress getETHIp();
diff --git a/Template Project/lib/ESPMegaPRO/ESPMegaPRO_OOP.cpp b/Template Project/lib/ESPMegaPRO/ESPMegaPRO_OOP.cpp
index ac06492..a70d3ef 100644
--- a/Template Project/lib/ESPMegaPRO/ESPMegaPRO_OOP.cpp	
+++ b/Template Project/lib/ESPMegaPRO/ESPMegaPRO_OOP.cpp	
@@ -89,4 +89,10 @@ void ESPMegaPRO::setTime(int hours, int minutes, int seconds, int day, int month
 
 void ESPMegaPRO::enableIotModule() {
     iot.intr_begin(cards);
+}
+
+ExpansionCard* ESPMegaPRO::getCard(uint8_t slot) {
+    if (slot > 255) return nullptr;
+    if (!cardInstalled[slot]) return nullptr;
+    return cards[slot];
 }
\ No newline at end of file
diff --git a/Template Project/lib/ESPMegaPRO/ESPMegaPRO_OOP.hpp b/Template Project/lib/ESPMegaPRO/ESPMegaPRO_OOP.hpp
index cab86ec..584c4e2 100644
--- a/Template Project/lib/ESPMegaPRO/ESPMegaPRO_OOP.hpp	
+++ b/Template Project/lib/ESPMegaPRO/ESPMegaPRO_OOP.hpp	
@@ -27,6 +27,7 @@ class ESPMegaPRO {
         void enableIotModule();
         rtctime_t getTime();
         void setTime(int hours, int minutes, int seconds, int day, int month, int year);
+        ExpansionCard* getCard(uint8_t slot);
         FRAM fram;
         DigitalInputCard inputs = DigitalInputCard(INPUT_BANK_A_ADDRESS, INPUT_BANK_B_ADDRESS);
         DigitalOutputCard outputs = DigitalOutputCard(PWM_BANK_ADDRESS);
diff --git a/Template Project/lib/ESPMegaPRO/InternalDisplay.cpp b/Template Project/lib/ESPMegaPRO/InternalDisplay.cpp
index 71ec1cc..0254d19 100644
--- a/Template Project/lib/ESPMegaPRO/InternalDisplay.cpp	
+++ b/Template Project/lib/ESPMegaPRO/InternalDisplay.cpp	
@@ -1,31 +1,39 @@
 #include <InternalDisplay.hpp>
 
 
-void InternalDisplay::begin() {
+void InternalDisplay::begin(ESPMegaIoT *iot, std::function<rtctime_t()> getRtcTime) {
+    this->iot = iot;
+    this->getRtcTime = getRtcTime;
+    this->mqttConfig = this->iot->getMqttConfig();
+    this->networkConfig = this->iot->getNetworkConfig();
+    // Register callbacks
+    this->inputCard->registerCallback(std::bind(&InternalDisplay::handleInputStateChange, this, std::placeholders::_1, std::placeholders::_2));
+    this->outputCard->registerChangeCallback(std::bind(&InternalDisplay::handlePwmStateChange, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
 }
 
 void InternalDisplay::loop() {
-    // TODO: implementation
-}
-
-void InternalDisplay::bindInputCard(uint8_t card_id) {
-    this->bindedInputCard = card_id;
-    if(currentPage == INTERNAL_DISPLAY_INPUT_PAGE) {
-        refreshInput();
+    // Keep reading the Serial Adapter
+    this->recieveSerialCommand();
+    // Refresh the top bar every 5 seconds
+    static uint32_t lastTopBarRefresh;
+    if (millis() - lastTopBarRefresh > INTERNAL_DISPLAY_TOP_BAR_REFRESH_INTERVAL) {
+        this->updateStatusIcons(this->iot->networkConnected(), this->iot->mqttConnected());
+        lastTopBarRefresh = millis();
+    }
+    // Refresh the clock every 10 seconds
+    static uint32_t lastClockRefresh;
+    if (millis() - lastClockRefresh > INTERNAL_DISPLAY_CLOCK_REFRESH_INTERVAL) {
+        this->updateClock();
+        lastClockRefresh = millis();
     }
 }
 
-void InternalDisplay::bindOutputCard(uint8_t card_id) {
-    this->bindedOutputCard = card_id;
-    if(currentPage == INTERNAL_DISPLAY_OUTPUT_PAGE) {
-        refreshOutput();
-    }
-}
+
 
 void InternalDisplay::handleInputStateChange(uint8_t pin, bool state) {
     // If the input card is binded to the display and the current page is the input page
     // then update the respective input component
-    if (!this->bindedInputCard || this->currentPage != INTERNAL_DISPLAY_INPUT_PAGE) return;
+    if (this->inputCard!=nullptr || this->currentPage != INTERNAL_DISPLAY_INPUT_PAGE) return;
     // Update the input state
     this->setInputMarker(pin, state);
 }
@@ -33,7 +41,7 @@ void InternalDisplay::handleInputStateChange(uint8_t pin, bool state) {
 void InternalDisplay::handlePwmStateChange(uint8_t pin, bool state, uint16_t value) {
     // If the output card is binded to the display and the current page is the output page
     // then update the respective output component
-    if (!this->bindedOutputCard || this->currentPage != INTERNAL_DISPLAY_OUTPUT_PAGE) return;
+    if (this->outputCard!=nullptr || this->currentPage != INTERNAL_DISPLAY_OUTPUT_PAGE) return;
     // Update the output state
     this->setOutputBar(pin, value);
     this->setOutputStateColor(pin, state);
@@ -96,29 +104,38 @@ void InternalDisplay::refreshDashboard() {
     // 2. IP Address
     // 3. MQTT Server with port
     // 4. MQTT Connection status
-    this->iot->
+    this->setString("hostname.txt", this->networkConfig->hostname);
+    // Construct the IP address string
+    static char ip_address[25];
+    sprintf(ip_address, "%d.%d.%d.%d", this->networkConfig->ip[0], this->networkConfig->ip[1], this->networkConfig->ip[2], this->networkConfig->ip[3]);
+    this->setString("ip_address.txt", ip_address);
+    // Send the MQTT server and port
+    this->displayAdapter->print("server_address.txt=");
+    this->displayAdapter->print(this->mqttConfig->mqtt_server);
+    this->displayAdapter->print(":");
+    this->displayAdapter->print(this->mqttConfig->mqtt_port);
+    this->sendStopBytes();
+    // Send the MQTT connection status
+    this->setString("status_txt.txt", this->iot->mqttConnected() ? MSG_MQTT_CONNECTED : MSG_MQTT_DISCONNECTED);
 }
 
 void InternalDisplay::refreshInput() {
-    // TODO: implementation
+    for (uint8_t i=0; i<16; i++) {
+        this->setInputMarker(i, this->inputCard->digitalRead(i));
+    }
 }
 
 void InternalDisplay::refreshOutput() {
-    // TODO: implementation
+    for (uint8_t i=0; i<16; i++) {
+        this->setOutputBar(i, this->outputCard->getValue(i));
+        this->setOutputStateColor(i, this->outputCard->getState(i));
+    }
 }
 
 void InternalDisplay::refreshAC() {
     // TODO: implementation
 }
 
-void InternalDisplay::setOutputBar(uint8_t pin, uint16_t value) {
-    // Write the value to the output bar
-    this->displayAdapter->print("j");
-    this->displayAdapter->print(pin);
-    this->displayAdapter->print(".val=");
-    this->displayAdapter->print(value);
-    this->sendStopBytes();
-}
 
 void InternalDisplay::setPWMAdjustmentSlider(uint16_t value) {
     // TODO: implementation
@@ -132,16 +149,32 @@ void InternalDisplay::setPWMAdjustmentButton(bool state) {
     // TODO: implementation
 }
 
+void InternalDisplay::setOutputBar(uint8_t pin, uint16_t value) {
+    // Write the value to the output bar
+    this->displayAdapter->print("j");
+    this->displayAdapter->print(pin);
+    this->displayAdapter->print(".val=");
+    this->displayAdapter->print((int)(value*100/4095));
+    this->sendStopBytes();
+}
+
 void InternalDisplay::setOutputStateColor(uint8_t pin, bool state) {
-    // TODO: implementation
+    this->displayAdapter->print("j");
+    this->displayAdapter->print(pin);
+    this->displayAdapter->print(".ppic=");
+    this->displayAdapter->print(state ? PIC_PWM_BAR_ON : PIC_PWM_BAR_OFF);
+    this->sendStopBytes();
+
 }
 
 void InternalDisplay::setInputMarker(uint8_t pin, bool state) {
-    // TODO: implementation
+    this->displayAdapter->print("I");
+    this->displayAdapter->print(pin);
+    this->displayAdapter->print(".val=");
+    this->displayAdapter->print(state ? 0:1);
+    this->sendStopBytes();
 }
 
 InternalDisplay::InternalDisplay(HardwareSerial *displayAdapter) : ESPMegaDisplay(displayAdapter) {
     this->currentPage = INTERNAL_DISPLAY_DASHBOARD_PAGE;
-    this->bindedInputCard = 0;
-    this->bindedOutputCard = 0;
 }
\ No newline at end of file
diff --git a/Template Project/lib/ESPMegaPRO/InternalDisplay.hpp b/Template Project/lib/ESPMegaPRO/InternalDisplay.hpp
index e2efe9c..503c5bb 100644
--- a/Template Project/lib/ESPMegaPRO/InternalDisplay.hpp	
+++ b/Template Project/lib/ESPMegaPRO/InternalDisplay.hpp	
@@ -1,7 +1,10 @@
 #include <ESPMegaDisplay.hpp>
 #include <TimeStructure.hpp>
 #include <ESPMegaIoT.hpp>
+#include <DigitalInputCard.hpp>
+#include <DigitalOutputCard.hpp>
 
+// Page IDs
 #define INTERNAL_DISPLAY_DASHBOARD_PAGE 0
 #define INTERNAL_DISPLAY_INPUT_PAGE 1
 #define INTERNAL_DISPLAY_OUTPUT_PAGE 2
@@ -12,19 +15,31 @@
 #define PIC_LAN_CONNECTED 3
 #define PIC_MQTT_DISCONNECTED 4
 #define PIC_MQTT_CONNECTED 5
+#define PIC_PWM_BAR_ON 33
+#define PIC_PWM_BAR_OFF 48
 
+// Messages
+#define MSG_MQTT_CONNECTED "BMS Managed"
+#define MSG_MQTT_DISCONNECTED "Standalone"
+
+// Refresh Interval
+#define INTERNAL_DISPLAY_CLOCK_REFRESH_INTERVAL 15000
+#define INTERNAL_DISPLAY_TOP_BAR_REFRESH_INTERVAL 5000
 
 class InternalDisplay : public ESPMegaDisplay {
     public:
         InternalDisplay(HardwareSerial *displayAdapter);
         void begin(ESPMegaIoT *iot, std::function<rtctime_t()> getRtcTime);
         void loop();
-        void bindInputCard(uint8_t card_id);
-        void bindOutputCard(uint8_t card_id);
+        void bindInputCard(DigitalInputCard *inputCard);
+        void bindOutputCard(DigitalOutputCard *outputCard);
         
     private:
-        uint8_t bindedInputCard;
-        uint8_t bindedOutputCard;
+        DigitalInputCard *inputCard;
+        DigitalOutputCard *outputCard;
+        // Previously registered callbacks of input and output cards
+        // We need to call them when the respective card is binded to the display
+        // Because we will replace the callbacks with the display's own callbacks
         void handleInputStateChange(uint8_t pin, bool state);
         void handlePwmStateChange(uint8_t pin, bool state, uint16_t value);
         void handlePageChange(uint8_t page);
@@ -44,6 +59,8 @@ class InternalDisplay : public ESPMegaDisplay {
         void refreshInput();
         void refreshOutput();
         void refreshAC();
+        MqttConfig *mqttConfig;
+        NetworkConfig *networkConfig;
         // Pointers to various data
         ESPMegaIoT *iot;
         std::function<rtctime_t()> getRtcTime;
diff --git a/Template Project/src/iot_framdemo.cpp b/Template Project/src/iot_framdemo.cpp
index 8544cc0..b85da59 100644
--- a/Template Project/src/iot_framdemo.cpp	
+++ b/Template Project/src/iot_framdemo.cpp	
@@ -50,10 +50,7 @@ void setup() {
     espmega.iot.registerCard(0);
     espmega.iot.registerCard(1);
     Serial.println("Initialization Routine Complete");
-    ((DigitalInputIoT*)espmega.iot.getComponent(0)) -> registerChangeCallback(input_change_callback);
-
-    
-
+    espmega.inputs.registerCallback(input_change_callback);
 }
 
 void loop() {