diff --git a/csharp/InnovEnergy.sln b/csharp/InnovEnergy.sln
index d88d11b63..0eca40857 100644
--- a/csharp/InnovEnergy.sln
+++ b/csharp/InnovEnergy.sln
@@ -83,6 +83,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "S3Utils", "Lib\S3Utils\S3Ut
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mailer", "Lib\Mailer\Mailer.csproj", "{73B97F6E-2BDC-40DA-84A7-7FB0264387D6}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Doepke", "Lib\Devices\Doepke\Doepke.csproj", "{C2B14CD4-1BCA-4933-96D9-92F40EACD2B9}"
+EndProject
 
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -214,6 +216,10 @@ Global
 		{73B97F6E-2BDC-40DA-84A7-7FB0264387D6}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{73B97F6E-2BDC-40DA-84A7-7FB0264387D6}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{73B97F6E-2BDC-40DA-84A7-7FB0264387D6}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C2B14CD4-1BCA-4933-96D9-92F40EACD2B9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C2B14CD4-1BCA-4933-96D9-92F40EACD2B9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C2B14CD4-1BCA-4933-96D9-92F40EACD2B9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C2B14CD4-1BCA-4933-96D9-92F40EACD2B9}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{CF4834CB-91B7-4172-AC13-ECDA8613CD17} = {145597B4-3E30-45E6-9F72-4DD43194539A}
@@ -251,5 +257,6 @@ Global
 		{88633C71-D701-49B3-A6DE-9D7CED9046E3} = {145597B4-3E30-45E6-9F72-4DD43194539A}
 		{E3914C76-808C-48E0-B5EC-FB24DD999CCC} = {AD5B98A8-AB7F-4DA2-B66D-5B4E63E7D854}
 		{73B97F6E-2BDC-40DA-84A7-7FB0264387D6} = {AD5B98A8-AB7F-4DA2-B66D-5B4E63E7D854}
+		{C2B14CD4-1BCA-4933-96D9-92F40EACD2B9} = {4931A385-24DC-4E78-BFF4-356F8D6D5183}
 	EndGlobalSection
 EndGlobal
diff --git a/csharp/Lib/Devices/Doepke/Doc/Modbus Register Übersicht.pdf b/csharp/Lib/Devices/Doepke/Doc/Modbus Register Übersicht.pdf
new file mode 100644
index 000000000..d17eda728
Binary files /dev/null and b/csharp/Lib/Devices/Doepke/Doc/Modbus Register Übersicht.pdf differ
diff --git a/csharp/Lib/Devices/Doepke/Doepke.csproj b/csharp/Lib/Devices/Doepke/Doepke.csproj
index c135fb90c..b7b0bb079 100644
--- a/csharp/Lib/Devices/Doepke/Doepke.csproj
+++ b/csharp/Lib/Devices/Doepke/Doepke.csproj
@@ -12,4 +12,8 @@
       <ProjectReference Include="..\..\Protocols\Modbus\Modbus.csproj" />
     </ItemGroup>
 
+    <ItemGroup>
+      <Folder Include="Doc\" />
+    </ItemGroup>
+
 </Project>