diff --git a/.gitmodules b/.gitmodules
index aff5614..30d6958 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "adc/adc"]
 	path = adc/adc
 	url = git@git.blackmark.me:avr/adc.git
+[submodule "adc/io"]
+	path = adc/io
+	url = git@git.blackmark.me:avr/io.git
diff --git a/adc/adc b/adc/adc
index c741dc9..2f54f92 160000
--- a/adc/adc
+++ b/adc/adc
@@ -1 +1 @@
-Subproject commit c741dc98a177834296b4bf877bfe92efdf912d72
+Subproject commit 2f54f9217fdbc92658a03babeae14f3e97954887
diff --git a/adc/adc.cppproj b/adc/adc.cppproj
index 657c5b7..ec6b0e0 100644
--- a/adc/adc.cppproj
+++ b/adc/adc.cppproj
@@ -47,15 +47,15 @@
     <avrtoolinterfaceclock>125000</avrtoolinterfaceclock>
     <AsfFrameworkConfig>
       <framework-data xmlns="">
-  <options />
-  <configurations />
-  <files />
-  <documentation help="" />
-  <offline-documentation help="" />
-  <dependencies>
-    <content-extension eid="atmel.asf" uuidref="Atmel.ASF" version="3.47.0" />
-  </dependencies>
-</framework-data>
+        <options />
+        <configurations />
+        <files />
+        <documentation help="" />
+        <offline-documentation help="" />
+        <dependencies>
+          <content-extension eid="atmel.asf" uuidref="Atmel.ASF" version="3.47.0" />
+        </dependencies>
+      </framework-data>
     </AsfFrameworkConfig>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
@@ -179,12 +179,16 @@
     <Compile Include="adc\adc.hpp">
       <SubType>compile</SubType>
     </Compile>
+    <Compile Include="adc\hardware.hpp">
+      <SubType>compile</SubType>
+    </Compile>
     <Compile Include="main.cpp">
       <SubType>compile</SubType>
     </Compile>
   </ItemGroup>
   <ItemGroup>
     <Folder Include="adc" />
+    <Folder Include="io" />
   </ItemGroup>
   <Import Project="$(AVRSTUDIO_EXE_PATH)\\Vs\\Compiler.targets" />
 </Project>
\ No newline at end of file
diff --git a/adc/io b/adc/io
new file mode 160000
index 0000000..80de36e
--- /dev/null
+++ b/adc/io
@@ -0,0 +1 @@
+Subproject commit 80de36ee7ee3e6b0842d5eaee81d54062cb496b2
diff --git a/adc/main.cpp b/adc/main.cpp
index fbc4023..567d785 100644
--- a/adc/main.cpp
+++ b/adc/main.cpp
@@ -1,6 +1,18 @@
 #include "adc/adc.hpp"
 
+void adcTest()
+{
+	using namespace adc;
+
+	using adc_conf = Config<>;
+
+	Adc<adc_conf, io::P::C5> adcPin;
+	adcPin.read();
+}
+
 int main()
 {
+	adcTest();
+
 	return 0;
 }