Created VS solution for library

.vs/ProjectSettings.json

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+{
+  "CurrentProjectSetting": "x86-Debug"
+}

.vs/VSWorkspaceState.json

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+{
+  "ExpandedNodes": [
+    ""
+  ],
+  "PreviewInSolutionExplorer": false
+}

Code/Arduino/HanReader/HanReader.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.26730.16
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "HanReader", "HanReader.vcxitems", "{CD0F5364-923B-49E4-8BE5-EA7D8A60DF80}"
+EndProject
+Global
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {AFFB18CF-A4FB-46A9-8148-C5B4A380C48B}
+	EndGlobalSection
+EndGlobal

Code/Arduino/HanReader/HanReader.vcxitems

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+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Label="Globals">
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+    <HasSharedItems>true</HasSharedItems>
+    <ItemsProjectGuid>{cd0f5364-923b-49e4-8be5-ea7d8a60df80}</ItemsProjectGuid>
+  </PropertyGroup>
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(MSBuildThisFileDirectory)</AdditionalIncludeDirectories>
+    </ClCompile>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ProjectCapability Include="SourceItemsFromImports" />
+  </ItemGroup>
+  <ItemGroup>
+    <Text Include="$(MSBuildThisFileDirectory)readme.txt" />
+    <Text Include="$(MSBuildThisFileDirectory)library.properties" />
+  </ItemGroup>
+  <ItemGroup>
+    <!-- <ClInclude Include="$(MSBuildThisFileDirectory)HanReader.h" /> -->
+    <ClInclude Include="$(MSBuildThisFileDirectory)src\Crc16.h" />
+    <ClInclude Include="$(MSBuildThisFileDirectory)src\DlmsReader.h" />
+    <ClInclude Include="$(MSBuildThisFileDirectory)src\HanReader.h" />
+    <ClInclude Include="$(MSBuildThisFileDirectory)src\KaifaHan.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="$(MSBuildThisFileDirectory)src\Crc16.cpp" />
+    <ClCompile Include="$(MSBuildThisFileDirectory)src\DlmsReader.cpp" />
+    <ClCompile Include="$(MSBuildThisFileDirectory)src\HanReader.cpp" />
+    <ClCompile Include="$(MSBuildThisFileDirectory)src\KaifaHan.cpp" />
+  </ItemGroup>
+</Project>

Code/Arduino/HanReader/HanReader.vcxitems.filters

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;s</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="C:\Users\roarf\OneDrive\Documents\GitHub\AmsToMqttBridge\Code\Arduino\HanReader\src\Crc16.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="C:\Users\roarf\OneDrive\Documents\GitHub\AmsToMqttBridge\Code\Arduino\HanReader\src\DlmsReader.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="C:\Users\roarf\OneDrive\Documents\GitHub\AmsToMqttBridge\Code\Arduino\HanReader\src\HanReader.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="C:\Users\roarf\OneDrive\Documents\GitHub\AmsToMqttBridge\Code\Arduino\HanReader\src\KaifaHan.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <Text Include="$(MSBuildThisFileDirectory)readme.txt" />
+    <Text Include="$(MSBuildThisFileDirectory)library.properties" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="C:\Users\roarf\OneDrive\Documents\GitHub\AmsToMqttBridge\Code\Arduino\HanReader\src\Crc16.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="C:\Users\roarf\OneDrive\Documents\GitHub\AmsToMqttBridge\Code\Arduino\HanReader\src\DlmsReader.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="C:\Users\roarf\OneDrive\Documents\GitHub\AmsToMqttBridge\Code\Arduino\HanReader\src\HanReader.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="C:\Users\roarf\OneDrive\Documents\GitHub\AmsToMqttBridge\Code\Arduino\HanReader\src\KaifaHan.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>

Code/Arduino/HanReader/readme.txt

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+Arduino Compatible Cross Platform C++ Library Project : For more information see http://www.visualmicro.com
+
+This project works exactly the same way as an Arduino library. 
+
+Add this project to any solution that contains an Arduino project and #include <headers.h> in code as you would any normal Arduino library headers. 
+
+To enable intellisense and to support live build discovery outside of the "standard" Arduino library locations, ensure that the library is added as a shared project reference to the master Arduino project. To do this, right click the master project "References" node and then click "Add Reference". A window will open and the library will appear on the "Shared Projects" tab. Click the checkbox next to the library name to add the reference. If this library is moved the shared referencemust be removed and re-added.
+
+VS2017 has a bug, workround: After moving existing source code within a "library or shared project", close and re-open the solution.
+
+Visual Studio will display intellisense for libraries based on the platform/board that has been specified for the currently active "Startup Project" of the current solution.
+
+
+IMPORTANT: The arduino.cc Library Rules must be followed when adding code or restructing libraries.
+	
+
+
+
+blog: http://www.visualmicro.com/post/2017/01/16/Arduino-Cross-Platform-Library-Development.aspx