diff --git a/platformio.ini b/platformio.ini
index fe2dc6d..72a07c0 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -23,4 +23,5 @@ lib_deps = siwats/ESPMegaPROR3@^1.3.0
            robtillaart/FRAM_I2C@^0.6.1
            esphome/ESPAsyncWebServer-esphome@^3.1.0
            bblanchon/ArduinoJson@^6.21.3
-monitor_speed = 115200
\ No newline at end of file
+monitor_speed = 115200
+monitor_port = COM26
\ No newline at end of file
diff --git a/src/user_code.cpp b/src/user_code.cpp
index 3721aa5..2b87be3 100644
--- a/src/user_code.cpp
+++ b/src/user_code.cpp
@@ -14,7 +14,7 @@ uint8_t slot_minutes[TOTAL_SLOT + 1] = {0, 30, 0, 30, 0, 30, 0, 30, 0, 30, 0, 30
 #define elcd ESPMega_EXTLCD
 // Link with Dual state button object with id 2 on page 1 named bt0
 NexPicture lt_bt = NexPicture(1, 1, "lt_bt");
-NexPicture av_bt = NexPicture(1, 3, "lt_bt");
+NexPicture av_bt = NexPicture(1, 3, "av_bt");
 NexButton left_bt = NexButton(1, 5, "left_bt");
 NexButton right_bt = NexButton(1, 6, "right_bt");
 NexPicture slot1 = NexPicture(1, 7, "slot1");
@@ -36,7 +36,8 @@ NexTouch *nex_listen_list[] =
         &slot3,
         &slot4,
         &slot5,
-
+        &left_bt,
+        &right_bt,
         NULL};
 
 bool light_group_state()
@@ -51,6 +52,7 @@ bool light_group_state()
 
 void lt_bt_cb(void *ptr)
 {
+    Serial.println("ltcb");
     bool state = !light_group_state();
     for (int i = 0; i++; i <= 5)
         pwm_set_state(i, state);
@@ -58,11 +60,13 @@ void lt_bt_cb(void *ptr)
 
 void av_bt_cb(void *ptr)
 {
+    Serial.println("avcb");
     pwm_toggle(3);
 }
 
 void left_bt_cb(void *ptr)
 {
+    Serial.println("leftcb");
     if(cycle_slot_start>0){
         cycle_slot_start--;
         write_time_slot();
@@ -71,6 +75,7 @@ void left_bt_cb(void *ptr)
 
 void right_bt_cb(void *ptr)
 {
+    Serial.println("rightcb");
     if(cycle_slot_start<TOTAL_SLOT-5){
         cycle_slot_start++;
         write_time_slot();
@@ -98,10 +103,10 @@ void user_init()
     send_stop_bit();
     ESPMega_EXTLCD.print("page dashboard");
     send_stop_bit();
-    left_bt.attachPop(left_bt_cb);
-    right_bt.attachPop(right_bt_cb);
-    lt_bt.attachPop(lt_bt_cb);
-    av_bt.attachPop(av_bt_cb);
+    left_bt.attachPop(left_bt_cb, &left_bt);
+    right_bt.attachPop(right_bt_cb, &right_bt);
+    lt_bt.attachPop(lt_bt_cb, &lt_bt);
+    av_bt.attachPop(av_bt_cb, &av_bt);
 }
 
 /*
diff --git a/src/user_code.hpp b/src/user_code.hpp
index f811a30..dc2ccad 100644
--- a/src/user_code.hpp
+++ b/src/user_code.hpp
@@ -31,6 +31,10 @@ void user_state_request_callback();
 void meeting_state_callback(String topic, String payload);
 void send_stop_bit();
 void write_time_slot();
+void av_bt_cb(void *ptr);
+void lt_bt_cb(void *ptr);
+void left_bt_cb(void *ptr);
+void right_bt_cb(void *ptr);
 extern char MQTT_BASE_TOPIC[];