diff --git a/src/user_code.cpp b/src/user_code.cpp
index 827139b..331d734 100644
--- a/src/user_code.cpp
+++ b/src/user_code.cpp
@@ -1,5 +1,10 @@
 #include <user_code.hpp>
 
+// AC Control Locking
+char AC_LOCK_TOPIC[75];
+#define AC_LOCK_ADDRESS 15002
+bool ac_lock = false;
+
 // Display Componets
 NexText clock_txt = NexText(1, 2, "clock");
 NexDSButton lt_bt = NexDSButton(1, 3, "lt_bt");
@@ -14,6 +19,8 @@ NexButton fan_auto_btn = NexButton(1, 11, "fan_auto_btn");
 NexButton fan_1_btn = NexButton(1, 12, "fan_1_btn");
 NexButton fan_2_btn = NexButton(1, 13, "fan_2_btn");
 NexButton fan_3_btn = NexButton(1, 14, "fan_3_btn");
+NexText temperature_txt = NexText(1, 15, "temperature");
+NexPage dashboard_page = NexPage(1, 0, "dashboard");
 
 // List of Component ID Message to listen to
 NexTouch *nex_listen_list[] =
@@ -50,6 +57,16 @@ void user_init()
     ESPMega_EXTLCD.write(0xFF);
     ESPMega_EXTLCD.write(0xFF);
     ESPMega_EXTLCD.write(0xFF);
+    memcpy(AC_LOCK_TOPIC, MQTT_BASE_TOPIC, 20);
+    strcat(AC_LOCK_TOPIC, "/ac/lock");
+    ac_lock = ESPMega_FRAM.read8(AC_LOCK_ADDRESS);
+    ac_lock = ac_lock > 1 ? 0 : ac_lock;
+    ESPMega_EXTLCD.print("dashboard.pic=");
+    ESPMega_EXTLCD.print(ac_lock ? "2" : "1");
+    ESPMega_EXTLCD.write(0xFF);
+    ESPMega_EXTLCD.write(0xFF);
+    ESPMega_EXTLCD.write(0xFF);
+    mqtt.subscribe(AC_LOCK_TOPIC, ac_lock_callback);
     lt_bt.attachPop(lt_btn_cb, &lt_bt);
     fan_bt.attachPop(fan_btn_cb, &fan_bt);
     puri_bt.attachPop(puri_btn_cb, &puri_bt);
@@ -77,6 +94,9 @@ This code will run when an input pin changed state
 */
 void virtual_interrupt_user_callback(int pin, int state)
 {
+    if (pin>=0&pin<=7){
+        pwm_toggle(pin);
+    }
 }
 
 void pwm_changed_user_callback(int pin)
@@ -120,12 +140,40 @@ void puri_btn_cb(void *comp)
 }
 void ac_temp_adj_btn_cb(void *comp)
 {
+    if (!ac_lock)
+    {
+        uint8_t new_temp = ac_get_temperature();
+        if (comp == &up_bt)
+            ac_set_state(ac_get_mode(), ac_get_temperature() + 1, ac_get_fan_speed());
+        else if (comp == &down_bt)
+            ac_set_state(ac_get_mode(), ac_get_temperature() - 1, ac_get_fan_speed());
+    }
 }
 void ac_mode_adj_btn_cb(void *comp)
 {
+    if (!ac_lock)
+    {
+        if (comp == &mode_off_btn)
+            ac_set_state(0, ac_get_temperature(), ac_get_fan_speed());
+        else if (comp == &mode_fan_btn)
+            ac_set_state(1, ac_get_temperature(), ac_get_fan_speed());
+        else if (comp == &mode_cool_btn)
+            ac_set_state(2, ac_get_temperature(), ac_get_fan_speed());
+    }
 }
 void ac_fan_adj_btn_cb(void *comp)
 {
+    if (!ac_lock)
+    {
+        if (comp == &fan_auto_btn)
+            ac_set_state(ac_get_mode(), ac_get_temperature(), 0);
+        else if (comp == &fan_1_btn)
+            ac_set_state(ac_get_mode(), ac_get_temperature(), 1);
+        else if (comp == &fan_2_btn)
+            ac_set_state(ac_get_mode(), ac_get_temperature(), 2);
+        else if (comp == &fan_3_btn)
+            ac_set_state(ac_get_mode(), ac_get_temperature(), 3);
+    }
 }
 
 void cud_light_toggle()
@@ -150,4 +198,41 @@ void cud_fan_toggle()
 bool cud_fan_group_state()
 {
     return pwm_get_state(FAN1_PIN) || pwm_get_state(FAN2_PIN) || pwm_get_state(FAN3_PIN);
+}
+
+void ac_changed_user_callback(int mode, int temperature, int fan_speed)
+{
+    char temp_text[3] = {(temperature - temperature % 10) + '0', (temperature % 10) + '0', 'C'};
+    temperature_txt.setText(temp_text);
+    mode_off_btn.Set_background_image_pic(mode == 0 ? 1 : 0);
+    mode_fan_btn.Set_background_image_pic(mode == 1 ? 1 : 0);
+    mode_cool_btn.Set_background_image_pic(mode == 2 ? 1 : 0);
+    fan_auto_btn.Set_background_image_pic(fan_speed == 0 ? 1 : 0);
+    fan_1_btn.Set_background_image_pic(fan_speed == 1 ? 1 : 0);
+    fan_2_btn.Set_background_image_pic(fan_speed == 2 ? 1 : 0);
+    fan_3_btn.Set_background_image_pic(fan_speed == 3 ? 1 : 0);
+}
+
+void ac_lock_callback(String topic, String payload)
+{
+    if (payload.equals("lock"))
+    {
+        ac_lock = true;
+        ESPMega_FRAM.write8(AC_LOCK_ADDRESS, ac_lock);
+        ESPMega_EXTLCD.print("dashboard.pic=");
+        ESPMega_EXTLCD.print(ac_lock ? "2" : "1");
+        ESPMega_EXTLCD.write(0xFF);
+        ESPMega_EXTLCD.write(0xFF);
+        ESPMega_EXTLCD.write(0xFF);
+    }
+    else if (payload.equals("unlock"))
+    {
+        ac_lock = false;
+        ESPMega_FRAM.write8(AC_LOCK_ADDRESS, ac_lock);
+        ESPMega_EXTLCD.print("dashboard.pic=");
+        ESPMega_EXTLCD.print(ac_lock ? "2" : "1");
+        ESPMega_EXTLCD.write(0xFF);
+        ESPMega_EXTLCD.write(0xFF);
+        ESPMega_EXTLCD.write(0xFF);
+    }
 }
\ No newline at end of file
diff --git a/src/user_code.hpp b/src/user_code.hpp
index 4379e60..3ddc63a 100644
--- a/src/user_code.hpp
+++ b/src/user_code.hpp
@@ -59,6 +59,7 @@ void cud_light_toggle();
 bool cud_light_group_state();
 void cud_fan_toggle();
 bool cud_fan_group_state();
+void ac_lock_callback(String topic, String payload);
 
 
 // ESPMega IoT Core Build-in Functions
@@ -77,4 +78,5 @@ extern uint8_t ac_get_mode();
 extern uint8_t ac_get_fan_speed();
 extern bool standalone;
 extern PubSubClient mqtt_client;
-extern PubSubClientTools mqtt;
\ No newline at end of file
+extern PubSubClientTools mqtt;
+extern char MQTT_BASE_TOPIC[];