diff --git a/Jenkinsfile b/Jenkinsfile
index dcf9353..1b77434 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -4,7 +4,7 @@ pipeline {
     stages {
         stage('Build') {
             steps {
-                git branch: 'main', url: 'https://git.siwatsystem.com/ise-senior-iot/iot-firmware.git'
+                git branch: 'modbus', url: 'https://git.siwatsystem.com/ise-senior-iot/iot-firmware.git'
                 sh 'export PLATFORMIO_PATH=/root/.platformio/penv/bin/platformio'
                 sh '/usr/bin/python3 gen_release.py'
                 stash includes: 'release/**/*', name: 'release_binaries'
diff --git a/gen_release.py b/gen_release.py
index 2c07d5e..24fa03b 100644
--- a/gen_release.py
+++ b/gen_release.py
@@ -89,10 +89,6 @@ for environment in environments:
     else:
         config[f'env:{environment}']['build_flags'] = config[f'env:{environment}']['build_flags'] + f' -DFW_VERSION=\\"{git_branch}_{environment}_{commit_hash}\\"'
 
-# Write the platformio.ini file
-with open(os.path.join(firmware_folder, 'platformio.ini'), 'w') as configfile:
-    config.write(configfile)
-
 # if argument is not supplied, build all environments listed in platformio.ini
 if len(sys.argv) == 1:
     subprocess.run([f'{platformio_path}', 'run','-c',f'{firmware_folder}/platformio.ini'], cwd=current_dir)
diff --git a/src/espmega_iot_core.cpp b/src/espmega_iot_core.cpp
index 0472888..9146fb1 100644
--- a/src/espmega_iot_core.cpp
+++ b/src/espmega_iot_core.cpp
@@ -704,7 +704,7 @@ void mqtt_subscribe()
  * @param payload The payload of the received message.
  * @param length The length of the payload.
  */
-IRAM_ATTR void mqtt_callback(char *topic, byte *payload, unsigned int length)
+void mqtt_callback(char *topic, byte *payload, unsigned int length)
 {
   uint8_t topic_length = strlen(topic);
   char topic_trim[50];
@@ -796,7 +796,7 @@ void thread_initialization()
  * @param payload The message payload.
  * @param payload_length The length of the message payload.
  */
-IRAM_ATTR void pwm_state_callback(char *topic, uint8_t topic_length, char *payload, unsigned int payload_length)
+void pwm_state_callback(char *topic, uint8_t topic_length, char *payload, unsigned int payload_length)
 {
   int a = topic[5] - '0';
   int b = topic[6] - '0';
@@ -822,7 +822,7 @@ IRAM_ATTR void pwm_state_callback(char *topic, uint8_t topic_length, char *paylo
  * @param payload The message payload.
  * @param payload_length The length of the message payload.
  */
-IRAM_ATTR void pwm_value_callback(char *topic, uint8_t topic_length, char *payload, unsigned int payload_length)
+void pwm_value_callback(char *topic, uint8_t topic_length, char *payload, unsigned int payload_length)
 {
   int a = topic[5] - '0';
   int b = topic[6] - '0';
@@ -925,7 +925,7 @@ void publish_pwm_value(int id)
  * @param id The ID of the PWM pin.
  * @param state The new state of the PWM pin.
  */
-IRAM_ATTR void pwm_set_state(int id, int state)
+void pwm_set_state(int id, int state)
 {
   if (state != pwm_states[id])
   {
@@ -949,7 +949,7 @@ IRAM_ATTR void pwm_set_state(int id, int state)
  * @param id The id of the PWM pin.
  * @param value The value to set the PWM pin to.
  */
-IRAM_ATTR void pwm_set_value(int id, int value)
+void pwm_set_value(int id, int value)
 {
   pwm_values[id] = value;
   int pwm_state = pwm_states[id];
@@ -1268,8 +1268,6 @@ void ac_set_state(int mode, int temperature, int fan_speed)
  */
 void publish_env_state()
 {
-  if(!pwm_report_enable)
-    return;
   int errorCode = env_sensor.read();
   yield();
   switch (errorCode)
diff --git a/src/espmega_iot_core.hpp b/src/espmega_iot_core.hpp
index fb6afc7..51777c3 100644
--- a/src/espmega_iot_core.hpp
+++ b/src/espmega_iot_core.hpp
@@ -43,7 +43,7 @@
 #endif
 #include "espmega_iot_timer.hpp"
 
-IRAM_ATTR void mqtt_callback(char* topic, byte* payload, unsigned int length);
+void mqtt_callback(char* topic, byte* payload, unsigned int length);
 void virtual_interrupt_loop();
 void virtual_interrupt_callback(int pin, int state);
 void virtual_interrupt_preload();
@@ -51,8 +51,8 @@ void network_begin();
 void mqtt_connect();
 void mqtt_subscribe();
 void thread_initialization();
-IRAM_ATTR void pwm_state_callback(char* topic, uint8_t topic_length, char* payload, unsigned int payload_length);
-IRAM_ATTR void pwm_value_callback(char* topic, uint8_t topic_length, char* payload, unsigned int payload_length);
+void pwm_state_callback(char* topic, uint8_t topic_length, char* payload, unsigned int payload_length);
+void pwm_value_callback(char* topic, uint8_t topic_length, char* payload, unsigned int payload_length);
 void state_request_callback();
 void io_begin();
 void ir_loop();
@@ -62,8 +62,8 @@ void ota_begin();
 void publish_pwm_states();
 void publish_pwm_state(int id);
 void publish_pwm_value(int id);
-IRAM_ATTR void pwm_set_state(int id, int state);
-IRAM_ATTR void pwm_set_value(int id, int value);
+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);
diff --git a/src/user_code.hpp b/src/user_code.hpp
index 8b3e361..938316e 100644
--- a/src/user_code.hpp
+++ b/src/user_code.hpp
@@ -25,7 +25,7 @@
 
 // IR Kit Configuration
 #define IR_RECIEVE_PIN 35
-#define IR_SEND_PIN 5
+#define IR_SEND_PIN 17
 #define MARK_EXCESS_MICROS 20
 #define IR_RAW_BUFFER_LENGTH 750
 #define AC_MAX_TEMPERATURE 30