diff --git a/.vscode/settings.json b/.vscode/settings.json
index 531dfd6..d54d5a5 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -10,6 +10,7 @@
         "functional": "cpp",
         "tuple": "cpp",
         "type_traits": "cpp",
-        "utility": "cpp"
+        "utility": "cpp",
+        "*.d": "cpp"
     }
 }
\ No newline at end of file
diff --git a/src/main.cpp b/src/espmega_iot_core.cpp
similarity index 91%
rename from src/main.cpp
rename to src/espmega_iot_core.cpp
index 963efff..5f1e1e2 100644
--- a/src/main.cpp
+++ b/src/espmega_iot_core.cpp
@@ -1,17 +1,5 @@
-// #define USE_INTERRUPT
-#include <ESPMegaPRO.h>
-#include <ETH.h>
-#include <PubSubClient.h>
-#include <PubSubClientTools.h>
-#include <Thread.h>
-#include <StaticThreadController.h>
-#include <IRremote.hpp>
-#include <daikin_ir.hpp>
-#include <dhtnew.h>
-#include <time.h>
-#include <EasyNextionLibrary.h>
-#include <lcd.hpp>
-
+#include <espmega_iot_core.hpp>
+#include <user_code.hpp>
 
 // OS Configuration
 #define FASTBOOT
@@ -104,77 +92,6 @@ char AC_HUMIDITY_TOPIC[75];
 #define EEPROM_ADDRESS_MQTT_SERVER 116  // 04bytes, thru 119
 #define EEPROM_ADDRESS_MQTT_PORT 120    // 02bytes, thru 121
 
-// Forward declaration
-void virtual_interrupt_loop();
-void virtual_interrupt_callback(int pin, int state);
-void network_begin();
-void mqtt_connect();
-void mqtt_subscribe();
-void thread_initialization();
-void pwm_state_callback(String topic, String message);
-void pwm_value_callback(String topic, String message);
-void state_request_callback(String topic, String message);
-void io_begin();
-void ir_loop();
-
-void publish_pwm_states();
-void publish_pwm_state(int id);
-void pwm_set_state(int id, int state);
-void pwm_set_value(int id, int value);
-void pwm_toggle(int id);
-void pwm_toggle(int id1, int id2);
-void pwm_cycle_value(int id);
-boolean pwm_group_state(int id1, int id2);
-
-void publish_ac_state();
-void publish_env_state();
-void ac_state_callback(String topic, String message);
-void ac_set_state(int mode, int temperature, int fan_speed);
-
-void publish_input_states();
-void publish_input_state(int id);
-void publish_input_state(int id, int state);
-
-void lcd_begin();
-void lcd_loop();
-void lcd_refresh();
-void lcd_refresh_pd();
-void lcd_top_bar_update();
-void trigger0();
-void trigger1();
-void trigger2();
-void trigger3();
-void trigger4();
-void trigger5();
-void trigger6();
-void trigger7();
-void trigger8();
-void trigger9();
-void trigger10();
-void trigger11();
-void trigger12();
-void trigger13();
-
-void eeprom_retrieve_init();
-void eeprom_pwm_update();
-
-void lcd_ac_refresh_fan();
-void lcd_ac_refresh_mode();
-
-void set_ip(String address);
-void set_netmask(String address);
-void set_dns(String address);
-void set_gw(String address);
-void set_mqtt_server(String address);
-void eeprom_ip_update(uint16_t rom_address, uint8_t byte1, uint8_t byte2, uint8_t byte3, uint8_t byte4);
-IPAddress eeprom_ip_retrieve(uint16_t rom_address);
-void set_hostname(String hostname);
-void eeprom_hostname_retrieve();
-void set_basetopic(String topic);
-void eeprom_basetopic_retrieve();
-void mqtt_port_set(uint16_t port);
-void eeprom_mqtt_port_retrieve();
-
 char PWM_STATE_TOPIC[75];
 char PWM_VALUE_TOPIC[75];
 char INPUTS_TOPIC[75];
@@ -197,6 +114,7 @@ StaticThreadController<2> lcd_thread_controller(&top_bar_updater, &page_updater)
 void setup()
 {
   Serial.begin(115200);
+  Serial2.begin(115200);
   panel.begin(115200);
   Serial.println("ESPMega R3 Initializing");
   ESPMega_begin();
@@ -218,11 +136,7 @@ void setup()
   thread_initialization();
   Serial.println("Initialization Completed.");
   Serial.println("Jumping to User Code.");
-  // Begin User Code
-
-  /*
-  Pre-NTP Implementation
-  */
+  user_init();
   lcd_send_command("page dashboard");
 }
 
@@ -234,6 +148,7 @@ void loop()
   ir_loop();
   thread_controller.run();
   lcd_loop();
+  user_loop();
 }
 
 void eeprom_retrieve_init()
@@ -440,10 +355,7 @@ void virtual_interrupt_callback(int pin, int state)
   // Serial.printf("Pin %d changed to %d\n", pin, state);
   if (lcd_current_page == 2)
     panel.writeNum("I" + String(pin) + ".val", state);
-  if (pin == 15)
-  {
-    pwm_toggle(4);
-  }
+  virtual_interrupt_user_callback(pin, state);
 }
 
 void virtual_interrupt_loop()
diff --git a/src/espmega_iot_core.hpp b/src/espmega_iot_core.hpp
new file mode 100644
index 0000000..9f64f4e
--- /dev/null
+++ b/src/espmega_iot_core.hpp
@@ -0,0 +1,87 @@
+#ifndef CORE_LOADED
+#define CORE_LOADED
+
+#include <ESPMegaPRO.h>
+#include <ETH.h>
+#include <PubSubClient.h>
+#include <PubSubClientTools.h>
+#include <Thread.h>
+#include <StaticThreadController.h>
+#include <IRremote.hpp>
+#include <daikin_ir.hpp>
+#include <dhtnew.h>
+#include <time.h>
+#include <EasyNextionLibrary.h>
+#include <lcd.hpp>
+
+void virtual_interrupt_loop();
+void virtual_interrupt_callback(int pin, int state);
+void network_begin();
+void mqtt_connect();
+void mqtt_subscribe();
+void thread_initialization();
+void pwm_state_callback(String topic, String message);
+void pwm_value_callback(String topic, String message);
+void state_request_callback(String topic, String message);
+void io_begin();
+void ir_loop();
+
+void publish_pwm_states();
+void publish_pwm_state(int id);
+void pwm_set_state(int id, int state);
+void pwm_set_value(int id, int value);
+void pwm_toggle(int id);
+void pwm_toggle(int id1, int id2);
+void pwm_cycle_value(int id);
+boolean pwm_group_state(int id1, int id2);
+
+void publish_ac_state();
+void publish_env_state();
+void ac_state_callback(String topic, String message);
+void ac_set_state(int mode, int temperature, int fan_speed);
+
+void publish_input_states();
+void publish_input_state(int id);
+void publish_input_state(int id, int state);
+
+void lcd_begin();
+void lcd_loop();
+void lcd_refresh();
+void lcd_refresh_pd();
+void lcd_top_bar_update();
+void trigger0();
+void trigger1();
+void trigger2();
+void trigger3();
+void trigger4();
+void trigger5();
+void trigger6();
+void trigger7();
+void trigger8();
+void trigger9();
+void trigger10();
+void trigger11();
+void trigger12();
+void trigger13();
+
+void eeprom_retrieve_init();
+void eeprom_pwm_update();
+
+void lcd_ac_refresh_fan();
+void lcd_ac_refresh_mode();
+
+void set_ip(String address);
+void set_netmask(String address);
+void set_dns(String address);
+void set_gw(String address);
+void set_mqtt_server(String address);
+void eeprom_ip_update(uint16_t rom_address, uint8_t byte1, uint8_t byte2, uint8_t byte3, uint8_t byte4);
+IPAddress eeprom_ip_retrieve(uint16_t rom_address);
+void set_hostname(String hostname);
+void eeprom_hostname_retrieve();
+void set_basetopic(String topic);
+void eeprom_basetopic_retrieve();
+void mqtt_port_set(uint16_t port);
+void eeprom_mqtt_port_retrieve();
+
+#endif
\ No newline at end of file
diff --git a/src/external_lcd.cpp b/src/external_lcd.cpp
new file mode 100644
index 0000000..cac60f5
--- /dev/null
+++ b/src/external_lcd.cpp
@@ -0,0 +1,5 @@
+#include <external_lcd.hpp>
+void ExternalLCD::callTriggerFunction() {
+    uint8_t touch_hex = Serial2.read();
+    external_lcd_callback(touch_hex);
+}
\ No newline at end of file
diff --git a/src/external_lcd.hpp b/src/external_lcd.hpp
new file mode 100644
index 0000000..3398b29
--- /dev/null
+++ b/src/external_lcd.hpp
@@ -0,0 +1,12 @@
+#include <EasyNextionLibrary.h>
+#ifndef trigger_h
+#include "trigger.h"
+#endif
+#ifndef EXTERNAL_LCD_LOADED
+#define EXTERNAL_LCD_LOADED
+#include <user_code.hpp>
+class ExternalLCD: public EasyNex {
+    protected:
+        void callTriggerFunction();
+};
+#endif
\ No newline at end of file
diff --git a/src/user_code.cpp b/src/user_code.cpp
new file mode 100644
index 0000000..fb0ed74
--- /dev/null
+++ b/src/user_code.cpp
@@ -0,0 +1,17 @@
+#include <user_code.hpp>
+
+void user_pre_init() {
+    
+}
+void user_init() {
+
+}
+void user_loop() {
+
+}
+void virtual_interrupt_user_callback(int pin, int state) {
+
+}
+void timer_tick_callback() {
+    
+}
diff --git a/src/user_code.hpp b/src/user_code.hpp
index a7056a7..f2e39a4 100644
--- a/src/user_code.hpp
+++ b/src/user_code.hpp
@@ -1,23 +1,13 @@
 #ifndef USER_CODE
 #define USER_CODE
-#include <ESPMegaPRO.h>
-void user_pre_init() {
-    
-}
-
-void user_init() {
-
-}
-
-void user_loop() {
-
-}
-void virtual_interrupt_user_callback(int pin, int state) {
-    
-
-}
-void timer_tick_callback() {
-    
-}
-
+#ifndef CORE_LOADED
+#define CORE_LOADED
+#include <espmega_iot_core.hpp>
+#endif
+void user_pre_init();
+void user_init();
+void user_loop();
+void virtual_interrupt_user_callback(int pin, int state);
+void timer_tick_callback();
+void external_lcd_callback(int touch_hex);
 #endif
\ No newline at end of file