diff --git a/Core/Inc/main.h b/Core/Inc/main.h
index 645b59b..024dc11 100644
--- a/Core/Inc/main.h
+++ b/Core/Inc/main.h
@@ -85,8 +85,14 @@ void Error_Handler(void);
 #define USARTx_TX_GPIO_Port GPIOA
 
 /* USER CODE BEGIN Private defines */
+#ifdef STS_WS
+#define HX711_SCK_PIN GPIO_PIN_5
+#define HX711_DOUT_PIN GPIO_PIN_6
 
-/* USER CODE END Private defines */
+#define HX711_SCK_PORT GPIOA
+#define HX711_DOUT_PORT GPIOA
+#endif
+  /* USER CODE END Private defines */
 
 #ifdef __cplusplus
 }
diff --git a/Core/Inc/sys_conf.h b/Core/Inc/sys_conf.h
index 73acea5..1f15237 100644
--- a/Core/Inc/sys_conf.h
+++ b/Core/Inc/sys_conf.h
@@ -81,7 +81,7 @@ extern "C" {
   * @brief Disable Low Power mode
   * @note  0: LowPowerMode enabled. MCU enters stop2 mode, 1: LowPowerMode disabled. MCU enters sleep mode only
   */
-#define LOW_POWER_DISABLE                    1
+#define LOW_POWER_DISABLE                    0
 
 /* USER CODE BEGIN EC */
 
diff --git a/Core/Inc/utilities_def.h b/Core/Inc/utilities_def.h
index f28e621..bcf7700 100644
--- a/Core/Inc/utilities_def.h
+++ b/Core/Inc/utilities_def.h
@@ -80,7 +80,7 @@ typedef enum
   CFG_SEQ_Task_LoRaStoreContextEvent,
   CFG_SEQ_Task_LoRaStopJoinEvent,
   /* USER CODE BEGIN CFG_SEQ_Task_Id_t */
-  CFG_SEQ_Task_YunhornSTSP1CheckingEvent,
+
   /* USER CODE END CFG_SEQ_Task_Id_t */
   CFG_SEQ_Task_NBR
 } CFG_SEQ_Task_Id_t;
diff --git a/Core/Src/gpio.c b/Core/Src/gpio.c
index f51ed30..914db3c 100644
--- a/Core/Src/gpio.c
+++ b/Core/Src/gpio.c
@@ -49,21 +49,6 @@ void MX_GPIO_Init(void)
   __HAL_RCC_GPIOC_CLK_ENABLE();
   __HAL_RCC_GPIOA_CLK_ENABLE();
 
-  GPIO_InitStruct.Pin = GPIO_PIN_All;
-  GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
-  GPIO_InitStruct.Pull = GPIO_NOPULL;
-  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
-  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
-  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
-  __HAL_RCC_GPIOB_CLK_DISABLE();
-  __HAL_RCC_GPIOC_CLK_DISABLE();
-
-  GPIO_InitStruct.Pin = BUT1_Pin;
-  GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING;
-  GPIO_InitStruct.Pull = GPIO_PULLUP;
-  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
-  __HAL_RCC_GPIOA_CLK_DISABLE();
-#if 0
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(GPIOB, LED1_Pin|LED2_Pin|PROB2_Pin|PROB1_Pin
                           |LED3_Pin, GPIO_PIN_RESET);
@@ -93,17 +78,36 @@ void MX_GPIO_Init(void)
   GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
   GPIO_InitStruct.Pull = GPIO_PULLUP;
   HAL_GPIO_Init(BUT3_GPIO_Port, &GPIO_InitStruct);
+#ifdef STS_WS
+  // STS_Weight_Scale
+
+  // HX711_SCK
+  GPIO_InitStruct.Pin = HX711_SCK_PIN;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Pull = GPIO_PULLUP;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+  HAL_GPIO_Init(HX711_SCK_PORT, &GPIO_InitStruct);
+
+  // HX711_DOUT
+  GPIO_InitStruct.Pin = HX711_DOUT_PIN;
+  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+  GPIO_InitStruct.Pull = GPIO_PULLUP;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+  HAL_GPIO_Init(HX711_DOUT_PORT, &GPIO_InitStruct);
+
+  HAL_GPIO_WritePin(HX711_SCK_PORT, HX711_SCK_PIN, GPIO_PIN_RESET);
+
 #endif
   /* EXTI interrupt init*/
   HAL_NVIC_SetPriority(EXTI0_IRQn, 0, 0);
   HAL_NVIC_EnableIRQ(EXTI0_IRQn);
-#if 0
+
   HAL_NVIC_SetPriority(EXTI1_IRQn, 0, 0);
   HAL_NVIC_EnableIRQ(EXTI1_IRQn);
 
   HAL_NVIC_SetPriority(EXTI9_5_IRQn, 0, 0);
   HAL_NVIC_EnableIRQ(EXTI9_5_IRQn);
-#endif
+
 }
 
 /* USER CODE BEGIN 2 */
diff --git a/Core/Src/rtc.c b/Core/Src/rtc.c
index 918ceaf..04a8214 100644
--- a/Core/Src/rtc.c
+++ b/Core/Src/rtc.c
@@ -65,7 +65,7 @@ void MX_RTC_Init(void)
   {
     Error_Handler();
   }
-#if 0
+
   /** Enable the Alarm A
   */
   sAlarm.BinaryAutoClr = RTC_ALARMSUBSECONDBIN_AUTOCLR_NO;
@@ -78,7 +78,7 @@ void MX_RTC_Init(void)
     Error_Handler();
   }
   /* USER CODE BEGIN RTC_Init 2 */
-#endif
+
   /* USER CODE END RTC_Init 2 */
 
 }
diff --git a/Core/Src/stm32_lpm_if.c b/Core/Src/stm32_lpm_if.c
index 9d98b45..8b623ee 100644
--- a/Core/Src/stm32_lpm_if.c
+++ b/Core/Src/stm32_lpm_if.c
@@ -25,7 +25,7 @@
 #include "usart_if.h"
 
 /* USER CODE BEGIN Includes */
-#include "gpio.h"
+
 /* USER CODE END Includes */
 
 /* External variables ---------------------------------------------------------*/
@@ -78,30 +78,14 @@ const struct UTIL_LPM_Driver_s UTIL_PowerDriver =
 void PWR_EnterOffMode(void)
 {
   /* USER CODE BEGIN EnterOffMode_1 */
-	  /* Enable Power Clock */
-		HAL_SuspendTick();
 
-	  /* Disable all used wakeup sources: Pin1(PA.0) */
-	  HAL_PWR_DisableWakeUpPin(PWR_WAKEUP_PIN1|PWR_WAKEUP_PIN2|PWR_WAKEUP_PIN3);
-
-	  /* Clear all related wakeup flags */
-	  __HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);
-
-	  /* Re-enable all used wakeup sources: Pin1(PA.0) */
-	  HAL_PWR_EnableWakeUpPin(PWR_WAKEUP_PIN1);
-
-	  /*## Enter Standby Mode ####################################################*/
-	  /* Request to enter STANDBY mode  */
-	  HAL_PWR_EnterSTANDBYMode();
   /* USER CODE END EnterOffMode_1 */
 }
 
 void PWR_ExitOffMode(void)
 {
   /* USER CODE BEGIN ExitOffMode_1 */
-	  //HAL_ResumeTick();
-	  __HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);
-	  __HAL_PWR_CLEAR_FLAG(PWR_FLAG_SB);
+
   /* USER CODE END ExitOffMode_1 */
 }
 
@@ -110,10 +94,6 @@ void PWR_EnterStopMode(void)
   /* USER CODE BEGIN EnterStopMode_1 */
 
   /* USER CODE END EnterStopMode_1 */
-	HAL_GPIO_WritePin(GPIOB, GPIO_PIN_All, GPIO_PIN_RESET);
-	HAL_GPIO_WritePin(GPIOA, ~GPIO_PIN_0, GPIO_PIN_RESET);
-	vcom_DeInit();
-
   HAL_SuspendTick();
   /* Clear Status Flag before entering STOP/STANDBY Mode */
   LL_PWR_ClearFlag_C1STOP_C1STB();
@@ -140,8 +120,7 @@ void PWR_ExitStopMode(void)
     SRAM ctrls, DMAx, DMAMux, AES, RNG, HSEM  */
 
   /* Resume not retained USARTx and DMA */
-  //MX_GPIO_Init();
-  //vcom_Resume();
+  vcom_Resume();
   /* USER CODE BEGIN ExitStopMode_2 */
 
   /* USER CODE END ExitStopMode_2 */
diff --git a/Core/Src/stm32wlxx_it.c b/Core/Src/stm32wlxx_it.c
index bfc2186..66231ac 100644
--- a/Core/Src/stm32wlxx_it.c
+++ b/Core/Src/stm32wlxx_it.c
@@ -227,7 +227,7 @@ void EXTI0_IRQHandler(void)
 
   /* USER CODE END EXTI0_IRQn 1 */
 }
-#if 0
+
 /**
   * @brief This function handles EXTI Line 1 Interrupt.
   */
@@ -283,7 +283,7 @@ void USART2_IRQHandler(void)
 
   /* USER CODE END USART2_IRQn 1 */
 }
-#endif
+
 /**
   * @brief This function handles RTC Alarms (A and B) Interrupt.
   */
diff --git a/Core/Src/sys_app.c b/Core/Src/sys_app.c
index 42d7e5d..82baf7f 100644
--- a/Core/Src/sys_app.c
+++ b/Core/Src/sys_app.c
@@ -32,7 +32,9 @@
 #include "sys_sensors.h"
 
 /* USER CODE BEGIN Includes */
-
+#ifdef STS_WS
+#include "sts_weight_scale.h"
+#endif
 /* USER CODE END Includes */
 
 /* External variables ---------------------------------------------------------*/
@@ -100,7 +102,7 @@ void SystemApp_Init(void)
   UTIL_TIMER_Init();
   SYS_TimerInitialisedFlag = 1;
   /* Initializes the SW probes pins and the monitor RF pins via Alternate Function */
-  //DBG_Init();
+  DBG_Init();
 
   /*Initialize the terminal */
   UTIL_ADV_TRACE_Init();
@@ -117,12 +119,14 @@ void SystemApp_Init(void)
 
   /*Initialize the Sensors */
   EnvSensors_Init();
-
+#ifdef STS_WS
+  sts_weight_scale_init();
+#endif
   /*Init low power manager*/
   UTIL_LPM_Init();
   /* Disable Stand-by mode */
   UTIL_LPM_SetOffMode((1 << CFG_LPM_APPLI_Id), UTIL_LPM_DISABLE);
-  UTIL_LPM_SetOffMode((1 << CFG_LPM_UART_TX_Id), UTIL_LPM_ENABLE);
+
 #if defined (LOW_POWER_DISABLE) && (LOW_POWER_DISABLE == 1)
   /* Disable Stop Mode */
   UTIL_LPM_SetStopMode((1 << CFG_LPM_APPLI_Id), UTIL_LPM_DISABLE);
diff --git a/Core/Src/usart.c b/Core/Src/usart.c
index 62e4a98..bf9fd2b 100644
--- a/Core/Src/usart.c
+++ b/Core/Src/usart.c
@@ -100,18 +100,13 @@ void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
     PA3     ------> USART2_RX
     PA2     ------> USART2_TX
     */
-    GPIO_InitStruct.Pin = USARTx_TX_Pin;
+    GPIO_InitStruct.Pin = USARTx_RX_Pin|USARTx_TX_Pin;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
     GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
-    GPIO_InitStruct.Pin = USARTx_RX_Pin;
-    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
-    GPIO_InitStruct.Pull = GPIO_NOPULL;
-    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
-
     /* USART2 DMA Init */
     /* USART2_TX Init */
     hdma_usart2_tx.Instance = DMA1_Channel5;
diff --git a/LoRaWAN/App/lora_app.c b/LoRaWAN/App/lora_app.c
index 43dc765..0d4e937 100644
--- a/LoRaWAN/App/lora_app.c
+++ b/LoRaWAN/App/lora_app.c
@@ -36,7 +36,9 @@
 #include "flash_if.h"
 
 /* USER CODE BEGIN Includes */
-#include "gpio.h"
+#ifdef STS_WS
+#include "sts_weight_scale.h"
+#endif
 /* USER CODE END Includes */
 
 /* External variables ---------------------------------------------------------*/
@@ -215,7 +217,6 @@ static void OnPingSlotPeriodicityChanged(uint8_t pingSlotPeriodicity);
 static void OnSystemReset(void);
 
 /* USER CODE BEGIN PFP */
-static void OnYunhornSTSP1CheckingEvent(void);
 
 /**
   * @brief  LED Tx timer callback function
@@ -301,7 +302,7 @@ static UTIL_TIMER_Object_t TxTimer;
 /**
   * @brief Tx Timer period
   */
-static UTIL_TIMER_Time_t TxPeriodicity = 1000;
+static UTIL_TIMER_Time_t TxPeriodicity = APP_TX_DUTYCYCLE;
 
 /**
   * @brief Join Timer period
@@ -343,8 +344,7 @@ static UTIL_TIMER_Object_t JoinLedTimer;
 
 /* Exported functions ---------------------------------------------------------*/
 /* USER CODE BEGIN EF */
-volatile uint8_t door_status=0, door_changed_flag=0, door_previous_status=0;
-volatile uint32_t checking_sn=0;
+
 /* USER CODE END EF */
 
 void LoRaWAN_Init(void)
@@ -406,7 +406,7 @@ void LoRaWAN_Init(void)
   UTIL_SEQ_RegTask((1 << CFG_SEQ_Task_LoRaSendOnTxTimerOrButtonEvent), UTIL_SEQ_RFU, SendTxData);
   UTIL_SEQ_RegTask((1 << CFG_SEQ_Task_LoRaStoreContextEvent), UTIL_SEQ_RFU, StoreContext);
   UTIL_SEQ_RegTask((1 << CFG_SEQ_Task_LoRaStopJoinEvent), UTIL_SEQ_RFU, StopJoin);
-  UTIL_SEQ_RegTask((1 << CFG_SEQ_Task_YunhornSTSP1CheckingEvent),UTIL_SEQ_RFU, OnYunhornSTSP1CheckingEvent);
+
   /* Init Info table used by LmHandler*/
   LoraInfo_Init();
 
@@ -425,7 +425,7 @@ void LoRaWAN_Init(void)
   if (EventType == TX_ON_TIMER)
   {
     /* send every time timer elapses */
-    UTIL_TIMER_Create(&TxTimer, TxPeriodicity, UTIL_TIMER_PERIODIC, OnTxTimerEvent, NULL);
+    UTIL_TIMER_Create(&TxTimer, TxPeriodicity, UTIL_TIMER_ONESHOT, OnTxTimerEvent, NULL);
     UTIL_TIMER_Start(&TxTimer);
   }
   else
@@ -448,9 +448,6 @@ void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
   {
     case  BUT1_Pin:
       /* Note: when "EventType == TX_ON_TIMER" this GPIO is not initialized */
-    	door_changed_flag = 1;
-    	UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_YunhornSTSP1CheckingEvent), CFG_SEQ_Prio_0);
-
       if (EventType == TX_ON_EVENT)
       {
         UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_LoRaSendOnTxTimerOrButtonEvent), CFG_SEQ_Prio_0);
@@ -471,21 +468,7 @@ void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
 
 /* Private functions ---------------------------------------------------------*/
 /* USER CODE BEGIN PrFD */
-static void OnYunhornSTSP1CheckingEvent(void)
-{
 
-
-	door_status = HAL_GPIO_ReadPin(GPIOA,GPIO_PIN_0);
-
-	if (door_status != door_previous_status)
-	{
-		door_previous_status = door_status;
-		door_changed_flag = 1;
-		APP_LOG(TS_OFF,VLEVEL_M,"\r\n----- Door Status Changed-------------\r\n");
-	}
-
-	//UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_LoRaSendOnTxTimerOrButtonEvent), CFG_SEQ_Prio_0);
-}
 /* USER CODE END PrFD */
 
 static void OnRxData(LmHandlerAppData_t *appData, LmHandlerRxParams_t *params)
@@ -574,6 +557,9 @@ static void SendTxData(void)
   LmHandlerErrorStatus_t status = LORAMAC_HANDLER_ERROR;
   uint8_t batteryLevel = GetBatteryLevel();
   sensor_t sensor_data;
+#ifdef STS_WS
+  sts_sensor_t	sts_sensor_data;
+#endif
   UTIL_TIMER_Time_t nextTxIn = 0;
 
   if (LmHandlerIsBusy() == false)
@@ -591,10 +577,14 @@ static void SendTxData(void)
 #endif /* CAYENNE_LPP */
 
     EnvSensors_Read(&sensor_data);
-#if 0
+#ifdef STS_WS
+    sts_weight_scale(&sts_sensor_data);
+    APP_LOG(TS_ON, VLEVEL_M, "Weigt Scale : %d\r\n", sts_sensor_data.weight_scale_value);
+
+#endif
     APP_LOG(TS_ON, VLEVEL_M, "VDDA: %d\r\n", batteryLevel);
     APP_LOG(TS_ON, VLEVEL_M, "temp: %d\r\n", (int16_t)(sensor_data.temperature));
-#endif
+
     AppData.Port = LORAWAN_USER_APP_PORT;
 
 #ifdef CAYENNE_LPP
@@ -629,8 +619,8 @@ static void SendTxData(void)
     {
       AppData.Buffer[i++] = 0;
       AppData.Buffer[i++] = 0;
-      AppData.Buffer[i++] = (uint8_t)(99*GetBatteryLevel()/255);        /* 1 (very low) to 254 (fully charged) */
-      AppData.Buffer[i++] = door_status;
+      AppData.Buffer[i++] = 0;
+      AppData.Buffer[i++] = 0;
     }
     else
     {
@@ -647,7 +637,10 @@ static void SendTxData(void)
       AppData.Buffer[i++] = (uint8_t)((altitudeGps >> 8) & 0xFF);
       AppData.Buffer[i++] = (uint8_t)(altitudeGps & 0xFF);
     }
-
+#ifdef STS_WS
+    AppData.Buffer[i++] = (uint8_t)(sts_sensor_data.weight_scale_value >> 8& 0xFF);
+    AppData.Buffer[i++] = (uint8_t)(sts_sensor_data.weight_scale_value & 0xFF);
+#endif
     AppData.BufferSize = i;
 #endif /* CAYENNE_LPP */
 
@@ -685,13 +678,12 @@ static void SendTxData(void)
 static void OnTxTimerEvent(void *context)
 {
   /* USER CODE BEGIN OnTxTimerEvent_1 */
-    UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_YunhornSTSP1CheckingEvent), CFG_SEQ_Prio_0);
-    if (door_changed_flag ==1)
-    {
-    	door_changed_flag =0;
-    	UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_LoRaSendOnTxTimerOrButtonEvent), CFG_SEQ_Prio_0);
-    	//UTIL_TIMER_Start(&TxTimer);
-	}
+
+  /* USER CODE END OnTxTimerEvent_1 */
+  UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_LoRaSendOnTxTimerOrButtonEvent), CFG_SEQ_Prio_0);
+
+  /*Wait for next tx slot*/
+  UTIL_TIMER_Start(&TxTimer);
   /* USER CODE BEGIN OnTxTimerEvent_2 */
 
   /* USER CODE END OnTxTimerEvent_2 */