diff --git a/Core/Src/i2c.c b/Core/Src/i2c.c
index b8de436..89074ee 100644
--- a/Core/Src/i2c.c
+++ b/Core/Src/i2c.c
@@ -44,7 +44,7 @@ void MX_I2C2_Init(void)
 
   /* USER CODE END I2C2_Init 1 */
   hi2c2.Instance = I2C2;
-  hi2c2.Init.Timing = 0x2010091A; //0x2010091A = 400K Fast Mode, 0x20303E5D, 100K Standard mode, 0x20000209 Fast Mode Plus, 1Mbps
+  hi2c2.Init.Timing = 0x20303E5D; //0x2010091A = 400K Fast Mode, 0x20303E5D, 100K Standard mode, 0x20000209 Fast Mode Plus, 1Mbps
   hi2c2.Init.OwnAddress1 = 0;
   hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
   hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
diff --git a/STM32CubeIDE/STS_RR_R125.launch b/STM32CubeIDE/STS_RR_R125.launch
index c60eadc..7058cf6 100644
--- a/STM32CubeIDE/STS_RR_R125.launch
+++ b/STM32CubeIDE/STS_RR_R125.launch
@@ -12,7 +12,7 @@
     <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.ip_address_local" value="localhost"/>
     <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.limit_swo_clock.enabled" value="false"/>
     <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.limit_swo_clock.value" value=""/>
-    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.loadList" value="{&quot;fItems&quot;:[{&quot;fIsFromMainTab&quot;:true,&quot;fPath&quot;:&quot;D:\\ONEDRIVE\\STM32WLV13\\Projects\\NUCLEO-WL55JC\\Applications\\LoRaWAN\\STS_RR_R125\\STM32CubeIDE\\Release\\STS_RR_R125_ROCTEC20231030.hex&quot;,&quot;fProjectName&quot;:&quot;STS_RR_R125&quot;,&quot;fPerformBuild&quot;:true,&quot;fDownload&quot;:true,&quot;fLoadSymbols&quot;:true}]}"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.loadList" value="{&quot;fItems&quot;:[{&quot;fIsFromMainTab&quot;:true,&quot;fPath&quot;:&quot;D:\\ONEDRIVE\\STM32WLV13\\Projects\\NUCLEO-WL55JC\\Applications\\LoRaWAN\\STS_RR_R125\\STM32CubeIDE\\Release\\STS_RR_R125.elf&quot;,&quot;fProjectName&quot;:&quot;STS_RR_R125&quot;,&quot;fPerformBuild&quot;:true,&quot;fDownload&quot;:true,&quot;fLoadSymbols&quot;:true}]}"/>
     <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.override_start_address_mode" value="default"/>
     <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.remoteCommand" value="target remote"/>
     <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.startServer" value="true"/>
@@ -67,7 +67,7 @@
     <stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_START_MODE" value="remote"/>
     <booleanAttribute key="org.eclipse.cdt.launch.DEBUGGER_STOP_AT_MAIN" value="true"/>
     <stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_STOP_AT_MAIN_SYMBOL" value="main"/>
-    <stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="D:\ONEDRIVE\STM32WLV13\Projects\NUCLEO-WL55JC\Applications\LoRaWAN\STS_RR_R125\STM32CubeIDE\Release\STS_RR_R125_ROCTEC20231030.hex"/>
+    <stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="D:\ONEDRIVE\STM32WLV13\Projects\NUCLEO-WL55JC\Applications\LoRaWAN\STS_RR_R125\STM32CubeIDE\Release\STS_RR_R125.elf"/>
     <stringAttribute key="org.eclipse.cdt.launch.PROJECT_ATTR" value="STS_RR_R125"/>
     <booleanAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_AUTO_ATTR" value="false"/>
     <stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value=""/>
diff --git a/TOF/App/app_tof_vl53l0x_range.c b/TOF/App/app_tof_vl53l0x_range.c
index fdc9731..fe1ee66 100644
--- a/TOF/App/app_tof_vl53l0x_range.c
+++ b/TOF/App/app_tof_vl53l0x_range.c
@@ -411,6 +411,10 @@ void STS_TOF_VL53L0X_Range_Process(void)
 	  }
 
   }   // nSensorPresent >0
+
+  // reset for next ranging
+  nDevMask = 0;
+  nSensorPresent = 0;
 }