diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index a5c3ae1..05e5219 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -11,6 +11,7 @@
             <option value="$PROJECT_DIR$" />
           </set>
         </option>
+        <option name="useAutoImport" value="true" />
       </GradleProjectSettings>
     </option>
   </component>
diff --git a/.idea/libraries/Gradle__com_pi4j_pi4j_core_1_1.xml b/.idea/libraries/Gradle__com_pi4j_pi4j_core_1_1.xml
new file mode 100644
index 0000000..6dff108
--- /dev/null
+++ b/.idea/libraries/Gradle__com_pi4j_pi4j_core_1_1.xml
@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="Gradle: com.pi4j:pi4j-core:1.1">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.pi4j/pi4j-core/1.1/a9d5bdad79287c6e91d49ccbbc388141ad3b6b4e/pi4j-core-1.1.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.pi4j/pi4j-core/1.1/a0d03930cc29bc66a5807f9cf68536b9a8feb81a/pi4j-core-1.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/modules/IOBoard_main.iml b/.idea/modules/IOBoard_main.iml
index 5f5ce54..09e89ab 100644
--- a/.idea/modules/IOBoard_main.iml
+++ b/.idea/modules/IOBoard_main.iml
@@ -11,6 +11,7 @@
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="Gradle: org.apache.commons:commons-math3:3.6.1" level="project" />
     <orderEntry type="library" name="Gradle: io.mraa:mraa:1.5.1" level="project" />
+    <orderEntry type="library" name="Gradle: com.pi4j:pi4j-core:1.1" level="project" />
     <orderEntry type="library" name="Gradle: com.google.guava:guava:21.0" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/.idea/modules/IOBoard_test.iml b/.idea/modules/IOBoard_test.iml
index 2d8f4af..5ea1652 100644
--- a/.idea/modules/IOBoard_test.iml
+++ b/.idea/modules/IOBoard_test.iml
@@ -12,6 +12,7 @@
     <orderEntry type="module" module-name="IOBoard_main" />
     <orderEntry type="library" name="Gradle: org.apache.commons:commons-math3:3.6.1" level="project" />
     <orderEntry type="library" name="Gradle: io.mraa:mraa:1.5.1" level="project" />
+    <orderEntry type="library" name="Gradle: com.pi4j:pi4j-core:1.1" level="project" />
     <orderEntry type="library" scope="PROVIDED" name="Gradle: junit:junit:4.12" level="project" />
     <orderEntry type="library" name="Gradle: com.google.guava:guava:21.0" level="project" />
     <orderEntry type="library" name="Gradle: org.hamcrest:hamcrest-core:1.3" level="project" />
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 71852c4..833ea7d 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,9 +2,16 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="c1cece9d-ba4a-4cc9-b680-4dc0f1ec17bf" name="Default" comment="">
-      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/.idea/gradle.xml" />
-      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/.idea/modules.xml" />
-      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/.idea/modules/IOBoard.iml" />
+      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogOut.java" />
+      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalOutPi.java" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/gradle.xml" afterPath="$PROJECT_DIR$/.idea/gradle.xml" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/modules/IOBoard_main.iml" afterPath="$PROJECT_DIR$/.idea/modules/IOBoard_main.iml" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/modules/IOBoard_test.iml" afterPath="$PROJECT_DIR$/.idea/modules/IOBoard_test.iml" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/boardtest.py" afterPath="$PROJECT_DIR$/boardtest.py" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/build.gradle" afterPath="$PROJECT_DIR$/build.gradle" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalOut.java" afterPath="$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalOut.java" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/main/java/com/henrypump/io/MuxSetup.java" afterPath="$PROJECT_DIR$/src/main/java/com/henrypump/io/MuxSetup.java" />
     </list>
     <ignored path="$PROJECT_DIR$/.gradle/" />
     <ignored path="$PROJECT_DIR$/build/" />
@@ -29,7 +36,98 @@
     </system>
   </component>
   <component name="FileEditorManager">
-    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300" />
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file leaf-file-name="MuxSetup.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/MuxSetup.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="135">
+              <caret line="14" column="0" lean-forward="false" selection-start-line="14" selection-start-column="0" selection-end-line="92" selection-end-column="0" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="DigitalOut.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalOut.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="225">
+              <caret line="17" column="9" lean-forward="false" selection-start-line="15" selection-start-column="8" selection-end-line="17" selection-end-column="9" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="AnalogIn.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogIn.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="696">
+              <caret line="100" column="17" lean-forward="true" selection-start-line="96" selection-start-column="16" selection-end-line="100" selection-end-column="17" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="AnalogInPi.java" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogInPi.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="471">
+              <caret line="71" column="0" lean-forward="true" selection-start-line="71" selection-start-column="0" selection-end-line="71" selection-end-column="0" />
+              <folding>
+                <element signature="imports" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="DigitalInPi.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalInPi.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="95">
+              <caret line="26" column="2" lean-forward="false" selection-start-line="26" selection-start-column="2" selection-end-line="26" selection-end-column="41" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="AnalogOutPi.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogOutPi.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="720">
+              <caret line="48" column="33" lean-forward="false" selection-start-line="48" selection-start-column="33" selection-end-line="48" selection-end-column="33" />
+              <folding>
+                <element signature="imports" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="MuxSetupPi.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/MuxSetupPi.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="472">
+              <caret line="114" column="17" lean-forward="true" selection-start-line="114" selection-start-column="17" selection-end-line="114" selection-end-column="17" />
+              <folding>
+                <element signature="imports" expanded="true" />
+                <element signature="e#2278#2279#0" expanded="true" />
+                <element signature="e#2315#2316#0" expanded="true" />
+                <element signature="e#2351#2352#0" expanded="true" />
+                <element signature="e#2389#2390#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="DigitalOutPi.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalOutPi.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="632">
+              <caret line="64" column="23" lean-forward="true" selection-start-line="64" selection-start-column="23" selection-end-line="64" selection-end-column="23" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
   </component>
   <component name="FileTemplateManagerImpl">
     <option name="RECENT_TEMPLATES">
@@ -54,7 +152,7 @@
   <component name="GradleLocalSettings">
     <option name="myGradleHomes">
       <map>
-        <entry key="$PROJECT_DIR$" value="/usr/local/Cellar/gradle/3.5/libexec" />
+        <entry key="$PROJECT_DIR$" value="$USER_HOME$/.gradle/wrapper/dists/gradle-3.5-all/exhrs6ca08n232b14ue48lbye/gradle-3.5" />
       </map>
     </option>
     <option name="myGradleVersions">
@@ -229,8 +327,8 @@
     </option>
     <option name="modificationStamps">
       <map>
-        <entry key="$PROJECT_DIR$" value="4492443303000" />
-        <entry key="$PROJECT_DIR$/build.gradle" value="209246541" />
+        <entry key="$PROJECT_DIR$" value="4492970445000" />
+        <entry key="$PROJECT_DIR$/build.gradle" value="142808790" />
         <entry key="$PROJECT_DIR$/gradle/wrapper/gradle-wrapper.properties" value="1114575256" />
         <entry key="$PROJECT_DIR$/settings.gradle" value="4252457423" />
       </map>
@@ -407,22 +505,30 @@
     <option name="CHANGED_PATHS">
       <list>
         <option value="$PROJECT_DIR$/src/main/java/DigitalIn.class" />
-        <option value="$PROJECT_DIR$/build.gradle" />
         <option value="$PROJECT_DIR$/src/main/java/com/henrypump/boardtest/DigitalIn.java" />
         <option value="$PROJECT_DIR$/src/main/java/com/henrypump/boardtest/DigitalInMux.java" />
         <option value="$PROJECT_DIR$/src/main/java/com/henrypump/boardtest/DigitalOut.java" />
         <option value="$PROJECT_DIR$/settings.gradle" />
         <option value="$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalInMux.java" />
         <option value="$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalIn.java" />
-        <option value="$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalOut.java" />
-        <option value="$PROJECT_DIR$/src/main/java/com/henrypump/io/MuxSetup.java" />
         <option value="$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogIn.java" />
+        <option value="$PROJECT_DIR$/src/main/java/com/henrypump/io/MuxSetup.java" />
+        <option value="$PROJECT_DIR$/boardtest.py" />
+        <option value="$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogOut.java" />
+        <option value="$PROJECT_DIR$/build.gradle" />
+        <option value="$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalOut.java" />
+        <option value="$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalInPi.java" />
+        <option value="$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalOutPi.java" />
+        <option value="$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogOutPi.java" />
+        <option value="$PROJECT_DIR$/src/main/java/com/henrypump/io/MuxSetupPi.java" />
+        <option value="$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogInPi.java" />
       </list>
     </option>
   </component>
   <component name="ProjectFrameBounds">
+    <option name="y" value="23" />
     <option name="width" value="1680" />
-    <option name="height" value="1050" />
+    <option name="height" value="1027" />
   </component>
   <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
   <component name="ProjectView">
@@ -440,7 +546,7 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
-      <pane id="Scratches" />
+      <pane id="PackagesPane" />
       <pane id="ProjectPane">
         <subPane>
           <PATH>
@@ -453,15 +559,54 @@
               <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
             </PATH_ELEMENT>
           </PATH>
+          <PATH>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="IOBoard" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="IOBoard" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="src" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+            </PATH_ELEMENT>
+          </PATH>
+          <PATH>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="IOBoard" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="IOBoard" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="src" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="main" />
+              <option name="myItemType" value="org.jetbrains.plugins.gradle.projectView.GradleTreeStructureProvider$GradleSourceSetDirectoryNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="java" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="io" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+            </PATH_ELEMENT>
+          </PATH>
         </subPane>
       </pane>
       <pane id="Scope" />
-      <pane id="PackagesPane" />
+      <pane id="Scratches" />
     </panes>
   </component>
   <component name="PropertiesComponent">
     <property name="last_opened_file_path" value="$PROJECT_DIR$" />
-    <property name="FullScreen" value="true" />
   </component>
   <component name="RunDashboard">
     <option name="ruleStates">
@@ -698,7 +843,8 @@
     <servers />
   </component>
   <component name="ToolWindowManager">
-    <frame x="0" y="0" width="1680" height="1050" extended-state="0" />
+    <frame x="0" y="23" width="1680" height="1027" extended-state="6" />
+    <editor active="true" />
     <layout>
       <window_info id="Palette" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
@@ -706,7 +852,7 @@
       <window_info id="Palette&#9;" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="9" side_tool="false" content_ui="tabs" />
       <window_info id="Image Layers" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Capture Analysis" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
-      <window_info id="Event Log" active="true" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.32901296" sideWeight="0.5" order="7" side_tool="true" content_ui="tabs" />
+      <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32901296" sideWeight="0.5" order="7" side_tool="true" content_ui="tabs" />
       <window_info id="Maven Projects" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="9" side_tool="false" content_ui="tabs" />
@@ -738,6 +884,70 @@
     <watches-manager />
   </component>
   <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/MuxSetup.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="135">
+          <caret line="14" column="0" lean-forward="false" selection-start-line="14" selection-start-column="0" selection-end-line="92" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalOut.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="225">
+          <caret line="17" column="9" lean-forward="false" selection-start-line="15" selection-start-column="8" selection-end-line="17" selection-end-column="9" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogIn.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1590">
+          <caret line="108" column="0" lean-forward="true" selection-start-line="9" selection-start-column="4" selection-end-line="108" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogInPi.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1005">
+          <caret line="72" column="42" lean-forward="true" selection-start-line="72" selection-start-column="42" selection-end-line="72" selection-end-column="42" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/MuxSetupPi.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1320">
+          <caret line="95" column="0" lean-forward="true" selection-start-line="95" selection-start-column="0" selection-end-line="95" selection-end-column="0" />
+          <folding>
+            <element signature="imports" expanded="true" />
+            <element signature="e#2278#2279#0" expanded="true" />
+            <element signature="e#2315#2316#0" expanded="true" />
+            <element signature="e#2351#2352#0" expanded="true" />
+            <element signature="e#2389#2390#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalOutPi.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1230">
+          <caret line="82" column="55" lean-forward="true" selection-start-line="82" selection-start-column="55" selection-end-line="82" selection-end-column="55" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalInPi.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1065">
+          <caret line="78" column="0" lean-forward="true" selection-start-line="78" selection-start-column="0" selection-end-line="78" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/MuxSetup.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="1260">
@@ -750,9 +960,7 @@
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           <caret line="46" column="25" lean-forward="false" selection-start-line="46" selection-start-column="25" selection-end-line="46" selection-end-column="25" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
+          <folding />
         </state>
       </provider>
     </entry>
@@ -761,7 +969,7 @@
         <state relative-caret-position="315">
           <caret line="27" column="44" lean-forward="false" selection-start-line="27" selection-start-column="44" selection-end-line="27" selection-end-column="44" />
           <folding>
-            <element signature="imports" expanded="true" />
+            <element signature="imports" expanded="false" />
           </folding>
         </state>
       </provider>
@@ -786,9 +994,7 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="630">
           <caret line="46" column="25" lean-forward="true" selection-start-line="46" selection-start-column="25" selection-end-line="46" selection-end-column="25" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
+          <folding />
         </state>
       </provider>
     </entry>
@@ -797,7 +1003,7 @@
         <state relative-caret-position="315">
           <caret line="27" column="44" lean-forward="false" selection-start-line="27" selection-start-column="44" selection-end-line="27" selection-end-column="44" />
           <folding>
-            <element signature="imports" expanded="true" />
+            <element signature="imports" expanded="false" />
           </folding>
         </state>
       </provider>
@@ -812,37 +1018,10 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/src/main/java/DigitalIn.java" />
     <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/boardtest/DigitalIn.java" />
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/MuxSetup.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="1260">
-          <caret line="89" column="9" lean-forward="false" selection-start-line="89" selection-start-column="9" selection-end-line="89" selection-end-column="9" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogIn.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="831">
-          <caret line="100" column="17" lean-forward="false" selection-start-line="100" selection-start-column="17" selection-end-line="100" selection-end-column="17" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/settings.gradle">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="270">
-          <caret line="18" column="0" lean-forward="true" selection-start-line="18" selection-start-column="0" selection-end-line="18" selection-end-column="0" />
-          <folding>
-            <element signature="n#!!doc" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/gradlew.bat">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="0">
           <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -850,27 +1029,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="0">
           <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/build.gradle">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="420">
-          <caret line="28" column="4" lean-forward="false" selection-start-line="28" selection-start-column="4" selection-end-line="28" selection-end-column="4" />
-          <folding>
-            <element signature="n#!!doc" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalOut.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="630">
-          <caret line="46" column="25" lean-forward="false" selection-start-line="46" selection-start-column="25" selection-end-line="46" selection-end-column="25" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
         </state>
       </provider>
     </entry>
@@ -878,6 +1036,120 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="315">
           <caret line="27" column="44" lean-forward="false" selection-start-line="27" selection-start-column="44" selection-end-line="27" selection-end-column="44" />
+          <folding>
+            <element signature="imports" expanded="false" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/boardtest.py">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="522">
+          <caret line="40" column="20" lean-forward="false" selection-start-line="40" selection-start-column="20" selection-end-line="40" selection-end-column="20" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/settings.gradle">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="135">
+          <caret line="17" column="28" lean-forward="true" selection-start-line="17" selection-start-column="28" selection-end-line="17" selection-end-column="28" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/build.gradle">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="390">
+          <caret line="32" column="0" lean-forward="true" selection-start-line="32" selection-start-column="0" selection-end-line="32" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogOut.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="360">
+          <caret line="24" column="0" lean-forward="false" selection-start-line="24" selection-start-column="0" selection-end-line="24" selection-end-column="0" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalOut.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="225">
+          <caret line="17" column="9" lean-forward="false" selection-start-line="15" selection-start-column="8" selection-end-line="17" selection-end-column="9" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/MuxSetup.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="135">
+          <caret line="14" column="0" lean-forward="false" selection-start-line="14" selection-start-column="0" selection-end-line="92" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="jar:///Library/Java/JavaVirtualMachines/jdk1.8.0_131.jdk/Contents/Home/src.zip!/java/time/Duration.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="559">
+          <caret line="647" column="7" lean-forward="false" selection-start-line="647" selection-start-column="7" selection-end-line="647" selection-end-column="7" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalOutPi.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="632">
+          <caret line="64" column="23" lean-forward="true" selection-start-line="64" selection-start-column="23" selection-end-line="64" selection-end-column="23" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogIn.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="696">
+          <caret line="100" column="17" lean-forward="true" selection-start-line="96" selection-start-column="16" selection-end-line="100" selection-end-column="17" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/DigitalInPi.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="95">
+          <caret line="26" column="2" lean-forward="false" selection-start-line="26" selection-start-column="2" selection-end-line="26" selection-end-column="41" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/MuxSetupPi.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="472">
+          <caret line="114" column="17" lean-forward="true" selection-start-line="114" selection-start-column="17" selection-end-line="114" selection-end-column="17" />
+          <folding>
+            <element signature="imports" expanded="true" />
+            <element signature="e#2278#2279#0" expanded="true" />
+            <element signature="e#2315#2316#0" expanded="true" />
+            <element signature="e#2351#2352#0" expanded="true" />
+            <element signature="e#2389#2390#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogOutPi.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="720">
+          <caret line="48" column="33" lean-forward="false" selection-start-line="48" selection-start-column="33" selection-end-line="48" selection-end-column="33" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/henrypump/io/AnalogInPi.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="471">
+          <caret line="71" column="0" lean-forward="true" selection-start-line="71" selection-start-column="0" selection-end-line="71" selection-end-column="0" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
diff --git a/HPOCV11/HPOCV11.ino b/HPOCV11/HPOCV11.ino
new file mode 100755
index 0000000..7b8c803
--- /dev/null
+++ b/HPOCV11/HPOCV11.ino
@@ -0,0 +1,430 @@
+#include <SPI.h>
+ 
+#define ON 1
+#define OFF 0
+#define TIMREADA2D 0
+#define TIMCLICKRELAY 1
+#define TIMFLASHEDISONLED 2
+#define TIMWRITED2A 3
+#define TIMREADDIGS 4
+
+void AnalogIn(void);
+void AnalogOut(void);
+void FlashEdisonLED(void);
+void Relays(void);
+void ReadDigitals(void);
+void Timers(void);
+
+unsigned int anout1;              // Analog output value 1 - 0xFFFF (0 - 20mA)
+unsigned int anout2;              // Analog output value 2 - 0xFFFF (0 - 20mA)
+unsigned int anin1;               // Analog output value 1 - 0xFFFF (0-20mA, 0-10V, 0-5V)
+unsigned int anin2;               // Analog output value 2 - 0xFFFF (0-20mA, 0-10V, 0-5V)
+unsigned int anin3;               // Analog output value 3 - 0xFFFF (0-20mA, 0-10V, 0-5V)
+unsigned int anin4;               // Analog output value 4 - 0xFFFF (0-20mA, 0-10V, 0-5V)
+
+// unsigned char edisonled;       // flag for led on edison cannot use since messes with SPI
+unsigned char redled;             // flag for red status led
+unsigned char greenled;           // flag for green status led
+unsigned char relay1, relay2, relay3, relay4, relay5, relay6;   // Flags for control of relays
+unsigned char digin1, digin2, digin3, digin4, digin5, digin6, digin7, digin8;   // Flags show dig input state
+unsigned long oldticker;
+unsigned int ticker;              // Millisecond counter
+unsigned int timers[10];
+
+void setup() 
+  {
+  anout1 = 0;
+  anout2 = 0;
+  relay1 = 0;
+  relay2 = 0;
+  relay3 = 0;
+  relay4 = 0;
+  relay5 = 0;
+  relay6 = 0;
+  redled = 0;
+  greenled = 0;
+  pinMode(0, OUTPUT);   // Relay 1
+  pinMode(1, OUTPUT);   // Relay 2
+  pinMode(2, OUTPUT);   // Relay 3
+  pinMode(3, OUTPUT);   // Relay 4
+  pinMode(4, OUTPUT);   // Relay 5
+  pinMode(5, OUTPUT);   // Relay 6
+  pinMode(6, OUTPUT);   // D2A CS
+  pinMode(8, OUTPUT);   // Red board LED
+  pinMode(9, OUTPUT);   // Green board LED
+  pinMode(11, OUTPUT);  // SPI Out data
+  pinMode(12, INPUT);   // SPI In data
+  pinMode(13, OUTPUT);  // SPI CLK & Board LED)
+  pinMode(A5, INPUT);
+  pinMode(A0, OUTPUT);  // Channel select LSB
+  pinMode(A1, OUTPUT);  // Channel select 2nd bit
+  pinMode(A2, OUTPUT);  // Channel select MSB
+  pinMode(A3, INPUT);   // Result from reading digital inputs
+
+  
+ // SPISettings settingsA(2000000, MSBFIRST, SPI_MODE1); 
+ // SPI.beginTransaction(SPISettings(14000000, MSBFIRST, SPI_MODE0));
+  SPI.begin();
+  SPI.setBitOrder(MSBFIRST);
+  Serial.begin(9600);
+  pinMode(SS, OUTPUT);
+  }
+
+void Relays(void)
+  {
+  if (relay1 == 1)
+    digitalWrite(0, HIGH); 
+  else
+    digitalWrite(0, LOW);    
+  if (relay2 == 1)
+    digitalWrite(1, HIGH); 
+  else
+    digitalWrite(1, LOW);    
+  if (relay3 == 1)
+    digitalWrite(2, HIGH); 
+  else
+    digitalWrite(2, LOW);   
+  if (relay4 == 1)
+    digitalWrite(3, HIGH); 
+  else
+    digitalWrite(3, LOW);     
+  if (relay5 == 1)
+    digitalWrite(4, HIGH); 
+  else
+    digitalWrite(4, LOW);     
+  if (relay6 == 1)
+    digitalWrite(5, HIGH); 
+  else
+    digitalWrite(5, LOW);     
+  }
+
+void LEDs(void)
+  {
+  if (redled == 1)
+    digitalWrite(8, HIGH); 
+  else
+    digitalWrite(8, LOW);    
+  if (greenled == 1)
+    digitalWrite(9, HIGH); 
+  else
+    digitalWrite(9, LOW);    
+  }
+
+
+void Timers(void)
+  {
+  unsigned char x;  
+  unsigned long milli;
+  milli = millis();  
+  if (milli == oldticker)
+    return;
+  oldticker = milli;  
+  ticker++;    
+  for (x=0; x<10;x++)
+    {
+    if(timers[x] > 0) timers[x]--;   
+    }
+//  anout1++;
+  }
+
+
+void AnalogOut(void)
+{
+  static unsigned char x = 8;
+  static unsigned char diff;
+  
+   unsigned char val;
+   unsigned int val16;
+   unsigned int incomingByte;
+   if (timers[TIMWRITED2A])
+      return; 
+      anout1++;
+//   SPI.beginTransaction(2000000, MSBFIRST, SPI_MODE1);
+   digitalWrite(6, LOW);
+   val = 16;              // Chan A
+   SPI.transfer(x);
+   if (diff == 1) x++;
+   if (diff == 2) x--;
+   diff = 0;
+   val16 = anout1;    
+   val16 = val16 >> 8; 
+   val = val16 & 0xFF;
+   SPI.transfer(0);
+//   SPI.transfer(val);
+   val = anout1 & 0xFF;
+   SPI.transfer(val);
+//   SPI.transfer(0);
+   
+   /*
+   Serial.print(x);
+   Serial.print("\n");
+
+      if (Serial.available() > 0) 
+        {
+        incomingByte = Serial.read();
+        if (incomingByte == '.') diff = 1;
+        if (incomingByte == ',') diff = 2;
+        if (incomingByte == ' ') diff = 0;
+        }
+*/   
+   timers[TIMWRITED2A] = 100;
+   digitalWrite(6, HIGH);
+  
+}
+
+void AnalogIn(void)   
+{
+  unsigned char a,b,c;
+  unsigned int x;
+  static unsigned char chan = 0;
+  if (timers[TIMREADA2D])
+    return; 
+
+  switch(chan)
+    {
+    case 0:
+      { 
+      digitalWrite(A0, LOW);      // Need to set up mux for each A2D like the relays
+      digitalWrite(A1, LOW);
+      digitalWrite(A2, LOW);
+      a = SPI.transfer(0);        
+      b = SPI.transfer(0);
+      c = SPI.transfer(0);
+/*      Serial.print(a);
+      Serial.print(",");
+      Serial.print(b);
+      Serial.print(",");
+      Serial.print(c);
+      Serial.print(",");
+*/    if (c == 13)                // 13 good reading, 45 overrange, anything else A2D not ready 
+        {
+        x = (unsigned int) a * 256;
+        x = x + b;
+        if (x >= 32767)           // wrong ref fix
+          {                       // wrong ref fix
+          x = x - 32767;          // wrong ref fix
+          x = x * 2;              // wrong ref fix
+          }                       // wrong ref fix
+        }
+      else
+        x = 0;  
+      anin1 = x;
+      break;
+      }
+      
+    case 1:
+      {
+      digitalWrite(A0, HIGH);     // Need to set up mux for each A2D like the relays
+      digitalWrite(A1, LOW);
+      digitalWrite(A2, LOW);
+      a = SPI.transfer(0);        
+      b = SPI.transfer(0);
+      c = SPI.transfer(0);
+      if (c == 13)                // 13 good reading, 45 overrange, anything else A2D not ready 
+        {
+        x = (unsigned int) a * 256;
+        x = x + b;
+        if (x >= 32767)           // wrong ref fix
+          {                       // wrong ref fix
+          x = x - 32767;          // wrong ref fix
+          x = x * 2;              // wrong ref fix
+          }                       // wrong ref fix
+        else
+          x = 0;  
+        anin2 = x;
+        break;
+        }
+      }
+      
+    case 2:
+      {
+      digitalWrite(A0, LOW);     // Need to set up mux for each A2D like the relays
+      digitalWrite(A1, HIGH);
+      digitalWrite(A2, LOW);
+      a = SPI.transfer(0);        
+      b = SPI.transfer(0);
+      c = SPI.transfer(0);
+      if (c == 13)                // 13 good reading, 45 overrange, anything else A2D not ready 
+        {
+        x = (unsigned int) a * 256;
+        x = x + b;
+        if (x >= 32767)           // wrong ref fix
+          {                       // wrong ref fix
+          x = x - 32767;          // wrong ref fix
+          x = x * 2;              // wrong ref fix
+          }                       // wrong ref fix
+        }
+        else
+          x = 0;  
+        anin3 = x;
+        break;
+      }
+
+    case 3:
+      {
+      digitalWrite(A0, HIGH);     // Need to set up mux for each A2D like the relays
+      digitalWrite(A1, HIGH);
+      digitalWrite(A2, LOW);
+      a = SPI.transfer(0);        
+      b = SPI.transfer(0);
+      c = SPI.transfer(0);
+      if (c == 13)                // 13 good reading, 45 overrange, anything else A2D not ready 
+        {
+        x = (unsigned int) a * 256;
+        x = x + b;
+        if (x >= 32767)           // wrong ref fix
+          {                       // wrong ref fix
+          x = x - 32767;          // wrong ref fix
+          x = x * 2;              // wrong ref fix
+          }                       // wrong ref fix
+        }
+        else
+          x = 0;  
+        anin4 = x;
+        break;
+        }
+        
+      default: ;
+    }  
+
+  chan++;
+  if(chan > 3)
+    chan = 0;
+      
+  Serial.print(anin1);
+  Serial.print(",");
+  Serial.print(anin2);
+  Serial.print(",");
+  Serial.print(anin3);
+  Serial.print(",");
+  Serial.print(anin4);
+  Serial.print("\n");
+  timers[TIMREADA2D] = 1000;  
+}
+
+
+void ReadDigitals(void)
+{
+  if (timers[TIMREADDIGS])
+      return; 
+  digitalWrite(A0, LOW);
+  digitalWrite(A1, LOW);
+  digitalWrite(A2, LOW);
+  if (digitalRead(A3)) 
+    digin1 = 0;
+  else  
+    digin1 = 1;
+
+  digitalWrite(A0, HIGH);
+  digitalWrite(A1, LOW);
+  if (digitalRead(A3)) 
+    digin2 = 0;
+  else  
+    digin2 = 1;
+  
+  digitalWrite(A0, LOW);
+  digitalWrite(A1, HIGH);
+  if (digitalRead(A3)) 
+    digin3 = 0;
+  else  
+    digin3 = 1;
+  
+  digitalWrite(A0, HIGH);
+  digitalWrite(A1, HIGH);
+   if (digitalRead(A3)) 
+    digin4 = 0;
+  else  
+    digin4 = 1;
+
+  digitalWrite(A0, LOW);
+  digitalWrite(A1, LOW);
+  digitalWrite(A2, HIGH);
+  if (digitalRead(A3)) 
+    digin5 = 0;
+  else  
+    digin5 = 1;
+
+  digitalWrite(A0, HIGH);
+  digitalWrite(A1, LOW);
+  if (digitalRead(A3)) 
+    digin6 = 0;
+  else  
+    digin6 = 1;
+
+  digitalWrite(A0, LOW);
+  digitalWrite(A1, HIGH);
+  if (digitalRead(A3)) 
+    digin7 = 0;
+  else  
+    digin7 = 1;
+  digitalWrite(A0, HIGH);
+  digitalWrite(A1, HIGH);
+  if (digitalRead(A3)) 
+    digin8 = 0;
+  else    
+    digin8 = 1;
+    
+  timers[TIMREADDIGS] = 500;  
+  Serial.print(digin1);
+  Serial.print(", ");
+  Serial.print(digin2);
+  Serial.print(", ");
+  Serial.print(digin3);
+  Serial.print(", ");
+  Serial.print(digin4);
+  Serial.print(", ");
+  Serial.print(digin5);
+  Serial.print(", ");
+  Serial.print(digin6);
+  Serial.print(", ");
+  Serial.print(digin7);
+  Serial.print(", ");
+  Serial.print(digin8);
+  Serial.print(", ");
+  Serial.print("\n");
+}
+
+
+
+
+void loop()                   // the loop function runs over and over again forever
+  {
+  AnalogIn(); 
+  ReadDigitals();
+  LEDs();
+  Timers();  
+  Relays(); 
+  AnalogOut(); 
+ 
+  anout1++;
+
+  if (timers[TIMCLICKRELAY] == 0) 
+    {
+    if (relay1)
+      {
+      relay1 = 0;
+      relay2 = 1;
+      relay3 = 0;
+      relay4 = 1;
+      relay5 = 0;
+      relay6 = 1;
+      redled = 1;
+      greenled = 0;
+      }
+    else
+      {
+      relay1 = 1;
+      relay2 = 0;
+      relay3 = 1;
+      relay4 = 0;
+      relay5 = 1;
+      relay6 = 0;
+      redled = 0;
+      greenled = 1;
+      }  
+    timers[TIMCLICKRELAY] = 5000;  
+    }
+}
+
+
+
diff --git a/boardtest.py b/boardtest.py
index 607716a..8e85dbc 100644
--- a/boardtest.py
+++ b/boardtest.py
@@ -38,7 +38,7 @@ pinA2.dir(mraa.DIR_OUT)
 pinA3 = mraa.Gpio(17)
 pinA3.dir(mraa.DIR_IN)
 
-spi_bus = mraa.Spi(0)
+spi_bus = mraa.Spi(5)
 print(spi_bus.lsbmode(False))
 
 
diff --git a/build.gradle b/build.gradle
index 124abeb..03ecb14 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,5 +27,6 @@ dependencies {
     testImplementation 'junit:junit:4.12'
 
     compile group: 'io.mraa', name: 'mraa', version:'1.5.1'
+    compile group: 'com.pi4j', name: 'pi4j-core', version: '1.1'
 }
 
diff --git a/pi_boardtest.py b/pi_boardtest.py
new file mode 100644
index 0000000..47ce977
--- /dev/null
+++ b/pi_boardtest.py
@@ -0,0 +1,127 @@
+"""Test the IO Board using a Raspberry Pi."""
+
+try:
+    import RPi.GPIO as GPIO
+except RuntimeError:
+    print("Error importing RPi.GPIO!  This is probably because you need superuser privileges.  You can achieve this by using 'sudo' to run your script")
+
+import time
+import spidev
+
+spi = spidev.SpiDev()
+spi.open(0, 0)
+
+GPIO.setmode(GPIO.BOARD)
+
+if GPIO.getmode() == 11:
+    mux_channels = [5, 6, 13]
+    inp_channel = 19
+    relay_channels = [21, 20, 16, 12, 25, 24, 23, 18]
+else:
+    mux_channels = [29, 31, 33]
+    inp_channel = 35
+    relay_channels = [40, 38, 36, 32, 22, 18, 16, 12]
+
+GPIO.setup(mux_channels, GPIO.OUT)
+GPIO.setup(relay_channels, GPIO.OUT)
+GPIO.setup(inp_channel, GPIO.IN)
+
+input_mux = [
+    [],
+    [0, 0, 0],  # Input 1
+    [1, 0, 0],  # Input 2
+    [0, 1, 0],  # Input 3
+    [1, 1, 0],  # Input 4
+    [0, 0, 1],  # Input 5
+    [1, 0, 1],  # Input 6
+    [0, 1, 1],  # Input 7
+    [1, 1, 1],  # Input 8
+]
+
+GPIO_mux = [
+    (),
+    (GPIO.LOW, GPIO.LOW, GPIO.LOW),     # 1
+    (GPIO.HIGH, GPIO.LOW, GPIO.LOW),    # 2
+    (GPIO.LOW, GPIO.HIGH, GPIO.LOW),    # 3
+    (GPIO.HIGH, GPIO.HIGH, GPIO.LOW),   # 4
+    (GPIO.LOW, GPIO.LOW, GPIO.HIGH),    # 5
+    (GPIO.HIGH, GPIO.LOW, GPIO.HIGH),   # 6
+    (GPIO.LOW, GPIO.HIGH, GPIO.HIGH),   # 7
+    (GPIO.HIGH, GPIO.HIGH, GPIO.HIGH)   # 8
+]
+
+
+def relay_write(relay_number, status):
+    """Write the specified status to the relay at the relay_number."""
+    write_val = GPIO.HIGH if status >= 1 else GPIO.LOW
+    if relay_number <= 8 and relay_number >= 1:
+        GPIO.output(relay_channels[relay_number - 1], write_val)
+        return True
+    else:
+        print("CANNOT WRITE TO A RELAY THAT DOES NOT EXIST: {}".format(relay_number))
+        return False
+
+
+def relay_loop():
+    """Set all relays to 1 sequentially, then set all relays to 0 sequentially."""
+    for i in range(1, 9):
+        relay_write(i, 1)
+        time.sleep(1)
+
+    for i in range(1, 9):
+        relay_write(i, 0)
+        time.sleep(1)
+
+
+def read_dig_in(io_port):
+    """Read IO Board digital input."""
+    if io_port == 0 or io_port > 8:
+        print("CANNOT READ A PORT THAT DOES NOT EXIST: {}".format(io_port))
+        return False
+    GPIO.output(mux_channels, GPIO_mux[io_port])
+    return GPIO.input(inp_channel) == 0
+
+
+def dig_in_loop():
+    """Read all digital inputs."""
+    for i in range(1, 9):
+        print("DIGIN {} = {}".format(i, read_dig_in(i)))
+
+
+def read_analog_in(io_port, verbose=False):
+    """Read IO Board digital input."""
+    global spi_bus
+    if io_port < 1 or io_port > 4:
+        print("CANNOT READ A PORT THAT DOES NOT EXIST: {}".format(io_port))
+        return False
+    GPIO.output(mux_channels, GPIO_mux[io_port])
+    ok_status = False
+
+    tries = 0
+    while (ok_status is False) and (tries < 5):
+        GPIO.output(mux_channels, GPIO_mux[io_port])
+        x = spi.xfer2(bytearray([0, 0, 0]))
+        if verbose:
+            print((x[0], x[1], x[2]))
+        c_bin = format(x[2], '#010b')[2:]
+
+        if c_bin[-3:] == "101":
+            ok_status = True
+        if verbose:
+            print("OK: {}, Status: {}".format(ok_status, c_bin))
+            print(x[0] * 256 + x[1])
+        if ok_status:
+            return x[0] * 256 + x[1]
+        time.sleep(0.25)
+        tries += 1
+
+
+if __name__ == '__main__':
+    # led_flash(10)
+    # relay_loop()
+    dig_in_loop()
+    for x in range(0, 10):
+        for i in range(1, 5):
+            print("Analog {}".format(i))
+            print(read_analog_in(i))
+    GPIO.cleanup()
diff --git a/src/main/java/com/henrypump/io/AnalogInPi.java b/src/main/java/com/henrypump/io/AnalogInPi.java
new file mode 100644
index 0000000..a5f0a21
--- /dev/null
+++ b/src/main/java/com/henrypump/io/AnalogInPi.java
@@ -0,0 +1,94 @@
+package com.henrypump.io;
+
+import java.io.IOException;
+import java.time.Duration;
+import java.time.Instant;
+import java.util.List;
+
+/**
+ * Created by patrickjmcd on 6/21/17.
+ */
+public class AnalogInPi {
+    public int channel;
+    public int rawValue;
+    public double lastValue;
+    public Instant lastStored = Instant.EPOCH;
+    public double rawMax, rawMin, euMax, euMin;
+    public List<Integer> channelMux;
+    private double[] history = new double[100];
+
+    AnalogInPi(int channel, double rawMin, double rawMax, double euMin, double euMax) {
+        this.channel = channel;
+        this.channelMux = MuxSetupPi.muxValues.get(channel);
+        this.rawMax = rawMax;
+        this.rawMin = rawMin;
+        this.euMax = euMax;
+        this.euMin = euMin;
+    }
+
+    double getHistory(int pointIndex) {
+        return history[pointIndex];
+    }
+
+    double setValue(int value) {
+//        System.out.println(value);
+        this.rawValue = value;
+        double pv  = ((euMax - euMin)/(rawMax - rawMin)) * rawValue + (euMax - ((euMax - euMin)/(rawMax - rawMin)) * rawMax);
+        lastValue = pv;
+        lastStored = Instant.now();
+        System.arraycopy(history, 0, history,1, history.length - 1);
+        history[0] = lastValue;
+//        System.out.println(value + " --> " + pv);
+        return pv;
+    }
+
+    double read(MuxSetupPi mux) throws IOException {
+        mux.set(channelMux.get(0), channelMux.get(1), channelMux.get(2));
+        int rawIn = mux.readAnalog();
+        if (rawIn != -1){
+            return setValue(rawIn);
+        } else {
+            try {
+                Thread.sleep(10);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        }
+        return lastValue;
+    }
+
+    public static void main(String[] args) {
+        MuxSetupPi mux = null;
+        Instant now = Instant.now();
+        try {
+            mux = new MuxSetupPi();
+
+            System.out.println("Testing Analog Inputs");
+
+            AnalogInPi aI1 = new AnalogInPi(1, 0, 65535, 0, 100);
+            AnalogInPi aI2 = new AnalogInPi(2, 0, 65535, 0, 100);
+            AnalogInPi aI3 = new AnalogInPi(3, 0, 65535, 0, 100);
+//            AnalogInPi aI4 = new AnalogInPi(4, 0, 65535, 0, 100);
+
+            for (int i = 0; i < 50; i++) {
+
+                double a1Val = aI1.read(mux);
+                double a2Val = aI2.read(mux);
+                double a3Val = aI3.read(mux);
+//                double a4Val = aI4.read(mux);
+                now = Instant.now();
+                System.out.println("Input " + aI1.channel + ": " + aI1.lastValue + ", age= " + Duration.between(aI1.lastStored, now).toMillis() + "ms");
+                System.out.println("Input " + aI2.channel + ": " + aI2.lastValue + ", age= " + Duration.between(aI2.lastStored, now).toMillis() + "ms");
+                System.out.println("Input " + aI3.channel + ": " + aI3.lastValue + ", age= " + Duration.between(aI3.lastStored, now).toMillis() + "ms");
+//                System.out.println("Input " + aI4.channel + ": " + aI4.lastValue + ", age= " + Duration.between(aI4.lastStored, now).toMillis() + "ms");
+                System.out.println("--");
+
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+
+    }
+}
+
diff --git a/src/main/java/com/henrypump/io/AnalogOut.java b/src/main/java/com/henrypump/io/AnalogOut.java
new file mode 100644
index 0000000..57a5ceb
--- /dev/null
+++ b/src/main/java/com/henrypump/io/AnalogOut.java
@@ -0,0 +1,29 @@
+package com.henrypump.io;
+
+import mraa.Dir;
+import mraa.Gpio;
+
+/**
+ * Created by patrickjmcd on 6/19/17.
+ */
+public class AnalogOut {
+    public int channel;
+    Gpio triggerPin;
+
+    AnalogOut(int channel){
+        this.channel = channel;
+        triggerPin = new Gpio(6);
+        triggerPin.dir(Dir.DIR_OUT);
+    }
+
+    public int trigger(int triggerVal){
+        triggerPin.write(triggerVal);
+        return triggerVal;
+    }
+
+    public int write(float writeVal){
+
+
+        return 0;
+    }
+}
diff --git a/src/main/java/com/henrypump/io/AnalogOutPi.java b/src/main/java/com/henrypump/io/AnalogOutPi.java
new file mode 100644
index 0000000..718fbdf
--- /dev/null
+++ b/src/main/java/com/henrypump/io/AnalogOutPi.java
@@ -0,0 +1,60 @@
+package com.henrypump.io;
+
+
+import java.io.IOException;
+import java.time.Instant;
+
+/**
+ * Created by patrickjmcd on 6/19/17.
+ */
+public class AnalogOutPi {
+    public int channel;
+    public int rawValue;
+    public double lastValue;
+    public Instant lastStored = Instant.EPOCH;
+    public double rawMax, rawMin, euMax, euMin;
+    private double m, b;
+
+
+    AnalogOutPi(int channel, double rawMin, double rawMax, double euMin, double euMax){
+        this.channel = channel;
+        this.rawMin = rawMin;
+        this.rawMax = rawMax;
+        this.euMin = euMin;
+        this.euMax = euMax;
+
+        m = (rawMax - rawMin) / (euMax - euMin);
+        b = rawMax - m * euMax;
+
+    }
+
+
+    public int write(MuxSetupPi mux, double writeVal){
+        rawValue = (int) (writeVal * m + b);
+        try {
+            mux.writeAnalog(channel, rawValue);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return 0;
+    }
+
+    public static void main(String[] args){
+        try {
+            MuxSetupPi mux = new MuxSetupPi();
+            AnalogOutPi anOut1 = new AnalogOutPi(1, 0, 65535, 0, 100);
+
+            for (int i = 0; i < 10; i++) {
+                anOut1.write(mux, (double) (i + 1) * 10.0);
+                Thread.sleep(1000);
+            }
+        } catch (IOException e){
+            e.printStackTrace();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+
+}
diff --git a/src/main/java/com/henrypump/io/DigitalInPi.java b/src/main/java/com/henrypump/io/DigitalInPi.java
new file mode 100644
index 0000000..5ef1fd5
--- /dev/null
+++ b/src/main/java/com/henrypump/io/DigitalInPi.java
@@ -0,0 +1,81 @@
+package com.henrypump.io;
+
+import mraa.Dir;
+import mraa.Gpio;
+import mraa.Result;
+
+import java.io.IOException;
+import java.util.List;
+
+/**
+* Created by patrickjmcd on 6/14/17.
+*/
+
+public class DigitalInPi {
+  public int channel;
+  public int value;
+  public List<Integer> channelMux;
+  DigitalInPi(int channel){
+    this.channel = channel;
+    this.channelMux = MuxSetupPi.muxValues.get(channel);
+  }
+
+  void setValue(int value){
+    this.value = value;
+  }
+
+  public static void main(String[] args){
+    try {
+      MuxSetupPi mux = new MuxSetupPi();
+
+      System.out.println("Testing Digital Inputs");
+
+
+      DigitalInPi dI1 = new DigitalInPi(1);
+      DigitalInPi dI2 = new DigitalInPi(2);
+      DigitalInPi dI3 = new DigitalInPi(3);
+      DigitalInPi dI4 = new DigitalInPi(4);
+      DigitalInPi dI5 = new DigitalInPi(5);
+      DigitalInPi dI6 = new DigitalInPi(6);
+      DigitalInPi dI7 = new DigitalInPi(7);
+      DigitalInPi dI8 = new DigitalInPi(8);
+
+      mux.set(dI1.channelMux.get(0), dI1.channelMux.get(1), dI1.channelMux.get(2));
+      dI1.setValue(mux.readDigital());
+      System.out.println("Input " + dI1.channel + ": " + dI1.value);
+
+      mux.set(dI2.channelMux.get(0), dI2.channelMux.get(1), dI2.channelMux.get(2));
+      dI2.setValue(mux.readDigital());
+      System.out.println("Input " + dI2.channel + ": " + dI2.value);
+
+      mux.set(dI3.channelMux.get(0), dI3.channelMux.get(1), dI3.channelMux.get(2));
+      dI3.setValue(mux.readDigital());
+      System.out.println("Input " + dI3.channel + ": " + dI3.value);
+
+      mux.set(dI4.channelMux.get(0), dI4.channelMux.get(1), dI4.channelMux.get(2));
+      dI4.setValue(mux.readDigital());
+      System.out.println("Input " + dI4.channel + ": " + dI4.value);
+
+      mux.set(dI5.channelMux.get(0), dI5.channelMux.get(1), dI5.channelMux.get(2));
+      dI5.setValue(mux.readDigital());
+      System.out.println("Input " + dI5.channel + ": " + dI5.value);
+
+      mux.set(dI6.channelMux.get(0), dI6.channelMux.get(1), dI6.channelMux.get(2));
+      dI6.setValue(mux.readDigital());
+      System.out.println("Input " + dI6.channel + ": " + dI6.value);
+
+      mux.set(dI7.channelMux.get(0), dI7.channelMux.get(1), dI7.channelMux.get(2));
+      dI7.setValue(mux.readDigital());
+      System.out.println("Input " + dI7.channel + ": " + dI7.value);
+
+      mux.set(dI8.channelMux.get(0), dI8.channelMux.get(1), dI8.channelMux.get(2));
+      dI8.setValue(mux.readDigital());
+      System.out.println("Input " + dI8.channel + ": " + dI8.value);
+    } catch (IOException e) {
+      e.printStackTrace();
+    }
+
+
+
+  }
+}
diff --git a/src/main/java/com/henrypump/io/DigitalOut.java b/src/main/java/com/henrypump/io/DigitalOut.java
index 0d80928..ec7dbfb 100644
--- a/src/main/java/com/henrypump/io/DigitalOut.java
+++ b/src/main/java/com/henrypump/io/DigitalOut.java
@@ -12,14 +12,14 @@ public class DigitalOut {
     Gpio gpioPin;
 
     DigitalOut(int channel){
-        if ((channel >=0 && channel <=5) || (channel == 8) || (channel == 9))  {
-            this.channel = channel;
-            gpioPin = new Gpio(channel);
-            gpioPin.dir(Dir.DIR_OUT);
-        } else {
-            System.err.println("Error: This channel does not exist,.");
-            System.exit(Result.ERROR_INVALID_PARAMETER.swigValue());
-        }
+//        if ((channel >=0 && channel <=5) || (channel == 8) || (channel == 9))  {
+        this.channel = channel;
+        gpioPin = new Gpio(channel);
+        gpioPin.dir(Dir.DIR_OUT);
+//        } else {
+//            System.err.println("Error: This channel does not exist,.");
+//            System.exit(Result.ERROR_INVALID_PARAMETER.swigValue());
+//        }
 
     }
 
@@ -28,14 +28,14 @@ public class DigitalOut {
     }
 
     public static void main(String[] args){
-        DigitalOut dO0 = new DigitalOut(0);
-        DigitalOut dO1 = new DigitalOut(1);
-        DigitalOut dO2 = new DigitalOut(2);
-        DigitalOut dO3 = new DigitalOut(3);
-        DigitalOut dO4 = new DigitalOut(4);
-        DigitalOut dO5 = new DigitalOut(5);
-        DigitalOut redLED = new DigitalOut(8);
-        DigitalOut greenLED = new DigitalOut(9);
+        DigitalOut dO0 = new DigitalOut(21);
+        DigitalOut dO1 = new DigitalOut(20);
+        DigitalOut dO2 = new DigitalOut(16);
+        DigitalOut dO3 = new DigitalOut(12);
+        DigitalOut dO4 = new DigitalOut(25);
+        DigitalOut dO5 = new DigitalOut(24);
+        DigitalOut redLED = new DigitalOut(23);
+        DigitalOut greenLED = new DigitalOut(18);
         System.out.println("Testing Digital Outputs");
 
 
diff --git a/src/main/java/com/henrypump/io/DigitalOutPi.java b/src/main/java/com/henrypump/io/DigitalOutPi.java
new file mode 100644
index 0000000..6e9b073
--- /dev/null
+++ b/src/main/java/com/henrypump/io/DigitalOutPi.java
@@ -0,0 +1,142 @@
+package com.henrypump.io;
+
+import com.pi4j.io.gpio.*;
+
+/**
+ * Created by patrickjmcd on 6/20/17.
+ */
+public class DigitalOutPi {
+    int channel;
+    final GpioController gpio = GpioFactory.getInstance();
+    Pin gpioPin;
+    GpioPinDigitalOutput pin;
+    String pinNumbering = "wPi";
+
+
+
+
+    DigitalOutPi(int channel){
+        if ((channel >=1 && channel <=6) || (channel == 8) || (channel == 9))  {
+            this.channel = channel;
+
+            switch  (channel) {
+                case 1:
+                    if (pinNumbering == "wPi") {
+                        gpioPin = RaspiPin.GPIO_29;
+                    } else {
+                        gpioPin = RaspiPin.GPIO_21;
+                    }
+                    break;
+                case 2:
+                    if (pinNumbering == "wPi") {
+                        gpioPin = RaspiPin.GPIO_28;
+                    } else {
+                        gpioPin = RaspiPin.GPIO_20;
+                    }
+                    break;
+                case 3:
+                    if (pinNumbering == "wPi") {
+                        gpioPin = RaspiPin.GPIO_27;
+                    } else {
+                        gpioPin = RaspiPin.GPIO_16;
+                    }
+                    break;
+                case 4:
+                    if (pinNumbering == "wPi") {
+                        gpioPin = RaspiPin.GPIO_26;
+                    } else {
+                        gpioPin = RaspiPin.GPIO_12;
+                    }
+                    break;
+                case 5:
+                    if (pinNumbering == "wPi") {
+                        gpioPin = RaspiPin.GPIO_06;
+                    } else {
+                        gpioPin = RaspiPin.GPIO_25;
+                    }
+                    break;
+                case 6:
+                    if (pinNumbering == "wPi") {
+                        gpioPin = RaspiPin.GPIO_05;
+                    } else {
+                        gpioPin = RaspiPin.GPIO_24;
+                    }
+                    break;
+                case 8:
+                    if (pinNumbering == "wPi") {
+                        gpioPin = RaspiPin.GPIO_04;
+                    } else {
+                        gpioPin = RaspiPin.GPIO_23;
+                    }
+                    break;
+                case 9:
+                    if (pinNumbering == "wPi") {
+                        gpioPin = RaspiPin.GPIO_01;
+                    } else {
+                        gpioPin = RaspiPin.GPIO_18;
+                    }
+                    break;
+            }
+
+
+            pin = gpio.provisionDigitalOutputPin(gpioPin, "Output" + channel, PinState.LOW);
+            pin.setShutdownOptions(true, PinState.LOW);
+        } else {
+            System.err.println("Error: This channel does not exist,.");
+        }
+
+    }
+
+    void write(int value){
+        if (value >= 1) {
+            pin.high();
+        } else {
+            pin.low();
+        }
+    }
+
+    public static void main(String[] args){
+        DigitalOutPi dO1 = new DigitalOutPi(1);
+        DigitalOutPi dO2 = new DigitalOutPi(2);
+        DigitalOutPi dO3 = new DigitalOutPi(3);
+        DigitalOutPi dO4 = new DigitalOutPi(4);
+        DigitalOutPi dO5 = new DigitalOutPi(5);
+        DigitalOutPi dO6 = new DigitalOutPi(6);
+//        DigitalOutPi redLED = new DigitalOut(8);
+//        DigitalOutPi greenLED = new DigitalOut(9);
+        System.out.println("Testing Digital Outputs");
+
+
+        try {
+            dO1.write(1);
+            Thread.sleep(500);
+            dO2.write(1);
+            Thread.sleep(500);
+            dO3.write(1);
+            Thread.sleep(500);
+            dO4.write(1);
+            Thread.sleep(500);
+            dO5.write(1);
+            Thread.sleep(500);
+            dO6.write(1);
+            Thread.sleep(500);
+            dO6.write(0);
+            Thread.sleep(500);
+            dO5.write(0);
+            Thread.sleep(500);
+            dO4.write(0);
+            Thread.sleep(500);
+            dO3.write(0);
+            Thread.sleep(500);
+            dO2.write(0);
+            Thread.sleep(500);
+            dO1.write(0);
+            Thread.sleep(500);
+
+
+
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+}
diff --git a/src/main/java/com/henrypump/io/MuxSetup.java b/src/main/java/com/henrypump/io/MuxSetup.java
index 8ebb986..8a48c2b 100644
--- a/src/main/java/com/henrypump/io/MuxSetup.java
+++ b/src/main/java/com/henrypump/io/MuxSetup.java
@@ -47,7 +47,7 @@ public class MuxSetup {
         gpioA3 = new Gpio(17);
         gpioA3.dir(Dir.DIR_IN);
 
-        spi = new Spi(0);
+        spi = new Spi(5);
     }
 
     public int set(int a0val, int a1val, int a2val){
diff --git a/src/main/java/com/henrypump/io/MuxSetupPi.java b/src/main/java/com/henrypump/io/MuxSetupPi.java
new file mode 100644
index 0000000..0632fa1
--- /dev/null
+++ b/src/main/java/com/henrypump/io/MuxSetupPi.java
@@ -0,0 +1,142 @@
+package com.henrypump.io;
+
+import com.pi4j.io.gpio.*;
+import com.pi4j.io.spi.SpiChannel;
+import com.pi4j.io.spi.SpiDevice;
+import com.pi4j.io.spi.SpiFactory;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Created by patrickjmcd on 6/21/17.
+ */
+public class MuxSetupPi {
+
+    final GpioController gpio = GpioFactory.getInstance();
+    GpioPinDigitalOutput pinMux1 = gpio.provisionDigitalOutputPin(RaspiPin.GPIO_21);
+    GpioPinDigitalOutput pinMux2 = gpio.provisionDigitalOutputPin(RaspiPin.GPIO_22);
+    GpioPinDigitalOutput pinMux3 = gpio.provisionDigitalOutputPin(RaspiPin.GPIO_23);
+    GpioPinDigitalInput pinDigitalRead = gpio.provisionDigitalInputPin(RaspiPin.GPIO_24);
+
+    GpioPinDigitalOutput pinAnOutTrigger = gpio.provisionDigitalOutputPin(RaspiPin.GPIO_04, "AnalogOutTrigger", PinState.HIGH);
+
+    private int mux1value = 0;
+    private int mux2value = 0;
+    private int mux3value = 0;
+
+    private SpiDevice spi;
+
+    public static List<List<Integer>> muxValues = Arrays.asList(
+            Arrays.asList(),
+            Arrays.asList(0,0,0),
+            Arrays.asList(1,0,0),
+            Arrays.asList(0,1,0),
+            Arrays.asList(1,1,0),
+            Arrays.asList(0,0,1),
+            Arrays.asList(1,0,1),
+            Arrays.asList(0,1,1),
+            Arrays.asList(1,1,1)
+    );
+
+    MuxSetupPi() throws IOException{
+        spi = SpiFactory.getInstance(SpiChannel.CS0, SpiDevice.DEFAULT_SPI_SPEED, SpiDevice.DEFAULT_SPI_MODE);
+    }
+
+    public int set(int a0val, int a1val, int a2val){
+        this.mux1value = a0val;
+        this.mux2value = a1val;
+        this.mux3value = a2val;
+        return apply();
+    }
+
+    public int apply(){
+        if (mux1value >= 1) {
+            pinMux1.high();
+        } else {
+            pinMux1.low();
+        }
+
+        if (mux2value >= 1) {
+            pinMux2.high();
+        } else {
+            pinMux2.low();
+        }
+
+        if (mux3value >= 1) {
+            pinMux3.high();
+        } else {
+            pinMux3.low();
+        }
+        return mux1value + mux2value * 2 + mux3value * 4;
+    }
+
+    public int readDigital(){
+        if (pinDigitalRead.isHigh()){
+            return 0;
+        } else {
+            return 1;
+        }
+    }
+
+    public void preAnalogWrite(){
+        pinAnOutTrigger.low();
+    }
+
+    public void postAnalogWrite(){
+        pinAnOutTrigger.high();
+    }
+
+    static String toBinary( byte b )
+    {
+        StringBuilder sb = new StringBuilder(8);
+        for( int i = 0; i < 8; i++ )
+            sb.append((b << i % 8 & 0x80) == 0 ? '0' : '1');
+        return sb.toString();
+    }
+
+    public int writeAnalog(int channel, int rawValue) throws IOException{
+        preAnalogWrite();
+        byte controlBits = (byte) 0b00010000;
+
+        if (channel == 2){
+            controlBits = (byte) 0b00100100;
+        }
+        byte anWrite[] = new byte[]{
+                controlBits,
+                (byte) (rawValue & 0xFF),
+                (byte) ((rawValue >> 8) & 0xFF)
+        };
+        byte[] result = spi.write(anWrite);
+        System.out.printf("writing %s, %s, %s%n", toBinary(anWrite[0]), toBinary(anWrite[1]), toBinary(anWrite[2]));
+        postAnalogWrite();
+        System.out.printf("0= %s, 1= %s, 2= %s%n", result[0] & 0xFF, result[1] & 0xFF, result[2] & 0xFF);
+        return 0;
+    }
+
+    public int readAnalog() throws IOException {
+        byte zeroes[] = new byte[] {
+                (byte) 0b00000000,
+                (byte) 0b00000000,
+                (byte) 0b00000000
+        };
+
+        byte[] result = spi.write(zeroes);
+
+
+//        System.out.println("Raw= " + (a * 256 + b));
+        int a = result[0] & 0xFF;
+        int b = result[1] & 0xFF;
+        int c = result[2] & 0xFF;
+//        System.out.println("a= " + a + ", b= " + b + ", c= " + c);
+
+        if (c == 13){
+            int x = a * 256;
+            x = x + b;
+            return x;
+        } else {
+            return -1;
+        }
+    }
+}