diff --git a/Core/Inc/sts_weight_scale.h b/Core/Inc/sts_weight_scale.h
index 1b475d0..2223e8b 100644
--- a/Core/Inc/sts_weight_scale.h
+++ b/Core/Inc/sts_weight_scale.h
@@ -25,7 +25,28 @@
 #include "main.h"
 #include "sys_app.h"
 
-int sts_weight_scale(void);
+
+
+typedef struct
+{
+	uint32_t	weight_scale_value;
+  float pressure;         /*!< in mbar */
+  float temperature;      /*!< in degC */
+  float humidity;         /*!< in % */
+  int32_t latitude;       /*!< latitude converted to binary */
+  int32_t longitude;      /*!< longitude converted to binary */
+  int16_t altitudeGps;    /*!< in m */
+  int16_t altitudeBar;    /*!< in m * 10 */
+  /**more may be added*/
+  /* USER CODE BEGIN sensor_t */
+
+  /* USER CODE END sensor_t */
+} sts_sensor_t;
+
+
+
+void sts_weight_scale_init(void);
+void sts_weight_scale(sts_sensor_t *sensor_data);
 void HX711_Init(void);
 void Init_HX711pin(void);
 uint32_t HX711_Read(void);
@@ -39,5 +60,4 @@ void delay_us(uint32_t nus);
 
 
 
-
 #endif /* YUNHORN_STS_WEIGHT_SCALE_H_ */
diff --git a/Core/Src/main.c b/Core/Src/main.c
index a56a001..74892d2 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -91,7 +91,7 @@ int main(void)
 
   	APP_LOG(TS_OFF, VLEVEL_M, "\r\n ----- Start  ----- \r\n");
 
-    sts_weight_scale();
+    //sts_weight_scale();
 
   /* USER CODE END 2 */
 
diff --git a/Core/Src/sts_weight_scale.c b/Core/Src/sts_weight_scale.c
index bfd89a8..59fe4a9 100644
--- a/Core/Src/sts_weight_scale.c
+++ b/Core/Src/sts_weight_scale.c
@@ -25,20 +25,23 @@ volatile uint32_t gross_weight;
 int32_t net_weight;
 uint8_t Flag_Error;
 volatile uint32_t last_net_weight=0;
-int sts_weight_scale(void)
-{		
+volatile sts_sensor_t sts_sensor_data;
+void sts_weight_scale_init(void)
+{
 	HX711_Init();
 	Get_GrossWeight();
-
 	HAL_Delay(500);
-
 	Get_GrossWeight();
-	
+}
 
-	while(1)
+void sts_weight_scale(sts_sensor_t *sts_sensor_data)
+{
+	
+	//while(1)
 	{
 		Get_NetWeight();
 		APP_LOG(TS_OFF, VLEVEL_M, "Net Weight = %d  g \r\n", net_weight);
+		sts_sensor_data->weight_scale_value=net_weight;
 
 		last_net_weight = net_weight;
 		if (((last_net_weight - net_weight) > 100) && (net_weight > 100))		// re-calibrate
@@ -46,9 +49,9 @@ int sts_weight_scale(void)
 			Get_GrossWeight();
 			HAL_Delay(100);
 			Get_GrossWeight();
-			HAL_Delay(2000);
+			//HAL_Delay(2000);
 		}
-		HAL_Delay(2000);
+		//HAL_Delay(2000);
 
 	}
 }
diff --git a/Core/Src/sys_app.c b/Core/Src/sys_app.c
index 705ba80..fe4a2be 100644
--- a/Core/Src/sys_app.c
+++ b/Core/Src/sys_app.c
@@ -30,7 +30,9 @@
 #include "utilities_def.h"
 #include "sys_debug.h"
 #include "sys_sensors.h"
-
+#ifdef STS_WS
+#include "sts_weight_scale.h"
+#endif
 /* USER CODE BEGIN Includes */
 
 /* USER CODE END Includes */
@@ -117,7 +119,9 @@ 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 */
diff --git a/LoRaWAN/App/lora_app.c b/LoRaWAN/App/lora_app.c
index 0eabe19..6a9f88f 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 */
-
+#ifdef STS_WS
+#include "sts_weight_scale.h"
+#endif
 /* USER CODE END Includes */
 
 /* External variables ---------------------------------------------------------*/
@@ -555,6 +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)
@@ -572,7 +577,11 @@ static void SendTxData(void)
 #endif /* CAYENNE_LPP */
 
     EnvSensors_Read(&sensor_data);
+#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));
 
@@ -628,6 +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 */