diff --git a/Core/Src/main.c b/Core/Src/main.c
index 900c3c7..6e229fe 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -114,9 +114,11 @@ int main(void)
 	  MX_DMA_Init();
       MX_LoRaWAN_Init();
   }
+
   MX_TOF_Process();
+
   /* USER CODE BEGIN 2 */
-  //MX_USART2_UART_Init();
+
   /* USER CODE END 2 */
 
   /* Infinite loop */
@@ -124,10 +126,8 @@ int main(void)
   while (1)
   {
     /* USER CODE END WHILE */
-	  //MX_TOF_Process();
-    MX_LoRaWAN_Process();
 
-	//  MX_TOF_Ranging_Process();
+    MX_LoRaWAN_Process();
 
     /* USER CODE BEGIN 3 */
   }
diff --git a/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf b/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf
index e25eacc..f938b6c 100644
Binary files a/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf and b/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf differ
diff --git a/STM32CubeIDE/Release/WLE5CC_NODE_STS_STS_L8_OK_20241119.elf b/STM32CubeIDE/Release/WLE5CC_NODE_STS_STS_L8_OK_20241119.elf
new file mode 100644
index 0000000..f938b6c
Binary files /dev/null and b/STM32CubeIDE/Release/WLE5CC_NODE_STS_STS_L8_OK_20241119.elf differ
diff --git a/STS/Core/Src/yunhorn_sts_process.c b/STS/Core/Src/yunhorn_sts_process.c
index 8714e57..ff82120 100644
--- a/STS/Core/Src/yunhorn_sts_process.c
+++ b/STS/Core/Src/yunhorn_sts_process.c
@@ -121,7 +121,7 @@ volatile uint8_t sensor_data_ready=0;
 #if	defined(STS_R1)||defined(STS_R5)||defined(STS_R4)||defined(STS_R1D)
 volatile uint32_t STS_TOFScanPeriod_msec=50, STS_TxPeriod_sec=30, STS_HeartBeatTimerPeriod_sec=3600;
 #elif	defined(STS_L8)||defined(STS_P2)||defined(STS_O6T)||defined(STS_T6)
-volatile uint32_t STS_TOFScanPeriod_msec=500, STS_TxPeriod_sec=300, STS_HeartBeatTimerPeriod_sec=3600;
+volatile uint32_t STS_TOFScanPeriod_msec=200, STS_TxPeriod_sec=300, STS_HeartBeatTimerPeriod_sec=3600;
 #endif
 
 static uint8_t outbuf[128]={0x0};
@@ -445,9 +445,9 @@ void STS_YunhornSTSEventP5_Process(void)
 	}
 #elif defined(L8)
 	//STS_TOF_VL53L8X_Process();
-	//STS_TOF_L8_Process();
-	printf("\r\n P5 process \r\n");
-	MX_TOF_Process();
+	//printf("\r\n P5 process \r\n");
+	STS_TOF_L8_Process();
+	//MX_TOF_Process();
 	//MX_TOF_Ranging_Process();
 #endif
 
diff --git a/STS/TOF/App/app_tof.c b/STS/TOF/App/app_tof.c
index 9cff161..882c854 100644
--- a/STS/TOF/App/app_tof.c
+++ b/STS/TOF/App/app_tof.c
@@ -211,9 +211,9 @@ void MX_TOF_Process(void)
 
 	//sts_tof_vl53lx_peoplecount_subprocess();
 #ifdef L8
-	//MX_53L8A1_ThresholdDetection_Process();
-	printf("\r\n Tof Process\r\n");
-	STS_TOF_L8_Process();
+	MX_53L8A1_ThresholdDetection_Process();
+	//printf("\r\n Tof Process\r\n");
+	//STS_TOF_L8_Process();
 #endif
 
   /* USER CODE BEGIN TOF_Process_PostTreatment */
@@ -221,10 +221,15 @@ void MX_TOF_Process(void)
   /* USER CODE END TOF_Process_PostTreatment */
 }
 #ifdef L8
+void STS_TOF_L8_Init(void)
+{
+	MX_53L8A1_ThresholdDetection_Init();
+	MX_53L8A1_ThresholdDetection_Process();
+}
 void STS_TOF_L8_Process(void)
 {
-	printf("\r\n Tof L8 Process\r\n");
-	MX_53L8A1_ThresholdDetection_Process();
+	//printf("\r\n Tof L8 Process\r\n");
+
 	  //while (1)
 	  {
 	    /* interrupt mode */
@@ -341,13 +346,16 @@ static void print_result(RANGING_SENSOR_Result_t *Result)
                     (Profile.RangingProfile == RS_PROFILE_8x8_CONTINUOUS)) ? 8 : 4;
 
   printf("%c[2H", 27); /* clear screen */
+#if 0
   printf("53L8A1 Threshold Detection demo application\n\r");
-  printf("-------------------------------------------");
-  printf("-------- Low= %4d High= %4d ------------", LOW_THRESHOLD, HIGH_THRESHOLD);
+  printf("-------------------------------------------\n\r");
+  printf("-------- Low= %4d High= %4d ------------\n\r", LOW_THRESHOLD, HIGH_THRESHOLD);
   printf("Cell Format :");
+#endif
+  //printf(" \033[38;5;10m%20s\033[0m : %20s\n", "Distance [mm]", "Status\r");
+
   for (l = 0; l < RANGING_SENSOR_NB_TARGET_PER_ZONE; l++)
   {
-    printf(" \033[38;5;10m%20s\033[0m : %20s\n", "Distance [mm]", "Status\r");
     if ((Profile.EnableAmbient != 0) || (Profile.EnableSignal != 0))
     {
       printf(" %20s : %20s\n", "Signal [kcps/spad]", "Ambient [kcps/spad]\r");