diff --git a/STM32CubeIDE/.settings/language.settings.xml b/STM32CubeIDE/.settings/language.settings.xml
index 7418597..fca738d 100644
--- a/STM32CubeIDE/.settings/language.settings.xml
+++ b/STM32CubeIDE/.settings/language.settings.xml
@@ -5,7 +5,7 @@
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="-877539789554811708" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="188690963369024153" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
@@ -16,7 +16,7 @@
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="-877539789554811708" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="188690963369024153" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
diff --git a/STM32CubeIDE/.settings/stm32cubeide.project.prefs b/STM32CubeIDE/.settings/stm32cubeide.project.prefs
index 621ac89..b482eb7 100644
--- a/STM32CubeIDE/.settings/stm32cubeide.project.prefs
+++ b/STM32CubeIDE/.settings/stm32cubeide.project.prefs
@@ -1,4 +1,4 @@
-2F62501ED4689FB349E356AB974DBE57=F2AB474F4F6E2E35B72300F9A5112607
-8DF89ED150041C4CBC7CB9A9CAA90856=F2AB474F4F6E2E35B72300F9A5112607
+2F62501ED4689FB349E356AB974DBE57=1E8F1D9EDF5EB0F4ACFD485842648E9C
+8DF89ED150041C4CBC7CB9A9CAA90856=1E8F1D9EDF5EB0F4ACFD485842648E9C
 DC22A860405A8BF2F2C095E5B6529F12=74CD6EB106FB50B767E4FE71225C7638
 eclipse.preferences.version=1
diff --git a/readme.txt b/readme.txt
index 0274f12..f6cdded 100644
--- a/readme.txt
+++ b/readme.txt
@@ -42,4 +42,6 @@ Pre-defines
 	
 	Jumbo Roll, Tissue Paper, Waste Bin sensor
 
+ change log
+ 2024 04 08    PB3  PB5 exchange
   ******************************************************************************