diff --git a/plugins/fr.obeo.dsl.arduino.design/META-INF/MANIFEST.MF b/plugins/fr.obeo.dsl.arduino.design/META-INF/MANIFEST.MF
index 396dad0..d7a054a 100644
--- a/plugins/fr.obeo.dsl.arduino.design/META-INF/MANIFEST.MF
+++ b/plugins/fr.obeo.dsl.arduino.design/META-INF/MANIFEST.MF
@@ -21,4 +21,5 @@ Require-Bundle: org.eclipse.ui,
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Import-Package: com.google.common.collect
-Export-Package: fr.obeo.dsl.arduino.design
+Export-Package: fr.obeo.dsl.arduino.design,
+ fr.obeo.dsl.arduino.design.services
diff --git a/plugins/fr.obeo.dsl.arduino.design/resources/ArdublockKit.arduino b/plugins/fr.obeo.dsl.arduino.design/resources/ArdublockKit.arduino
index 4328eaf..af755ba 100644
--- a/plugins/fr.obeo.dsl.arduino.design/resources/ArdublockKit.arduino
+++ b/plugins/fr.obeo.dsl.arduino.design/resources/ArdublockKit.arduino
@@ -2,7 +2,7 @@
 <arduino:Project xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:arduino="http://www.obeo.fr/arduino">
   <modules xsi:type="arduino:OutputModule" name="White LED" image="dfrobot/white_led.jpg" level="true"/>
   <modules xsi:type="arduino:InputModule" name="Push button 1" image="dfrobot/push_button.jpg"/>
-  <modules xsi:type="arduino:OutputModule" name="Red LED" image="dfrobot/res_led.jpg" level="true"/>
+  <modules xsi:type="arduino:OutputModule" name="Red LED" image="dfrobot/red_led.jpg" level="true"/>
   <modules xsi:type="arduino:OutputModule" name="Blue LED" image="dfrobot/blue_led.jpg" level="true"/>
   <modules xsi:type="arduino:InputModule" name="Push button 2" image="dfrobot/push_button.jpg"/>
   <modules xsi:type="arduino:OutputModule" name="Buzzer" image="dfrobot/buzzer.jpg"/>
diff --git a/plugins/fr.obeo.dsl.arduino.simulator.design/description/simulator.odesign b/plugins/fr.obeo.dsl.arduino.simulator.design/description/simulator.odesign
index 69c101a..f078bfb 100644
--- a/plugins/fr.obeo.dsl.arduino.simulator.design/description/simulator.odesign
+++ b/plugins/fr.obeo.dsl.arduino.simulator.design/description/simulator.odesign
@@ -18,6 +18,9 @@
             <featureCustomizations xsi:type="description:EReferenceCustomization" applyOnAll="true" referenceName="strokeColor" value="//@userColorsPalettes[name='Arduino%20Palette']/@entries[name='level%20intencity']"/>
             <featureCustomizations xsi:type="description:EReferenceCustomization" applyOnAll="true" referenceName="borderColor" value="//@userColorsPalettes[name='Arduino%20Palette']/@entries[name='level%20intencity']"/>
             <featureCustomizations xsi:type="description:EAttributeCustomization" applyOnAll="true" attributeName="borderSizeComputationExpression" value="1"/>
+            <featureCustomizations xsi:type="description:EAttributeCustomization" attributeName="workspacePath" value="service:getSimulatingImage">
+              <appliedOn href="viewpoint:/fr.obeo.dsl.arduino.design/Arduino#//@ownedViewpoints[name='Arduino']/@ownedRepresentations[name='Hardware']/@defaultLayer/@nodeMappings[name='HW_Module']/@style"/>
+            </featureCustomizations>
           </vsmElementCustomizations>
         </customization>
       </layers>
diff --git a/plugins/fr.obeo.dsl.arduino.simulator.design/src/fr/obeo/dsl/arduino/simulator/design/services/SimulatorServices.java b/plugins/fr.obeo.dsl.arduino.simulator.design/src/fr/obeo/dsl/arduino/simulator/design/services/SimulatorServices.java
index 885273e..8a64042 100644
--- a/plugins/fr.obeo.dsl.arduino.simulator.design/src/fr/obeo/dsl/arduino/simulator/design/services/SimulatorServices.java
+++ b/plugins/fr.obeo.dsl.arduino.simulator.design/src/fr/obeo/dsl/arduino/simulator/design/services/SimulatorServices.java
@@ -1,15 +1,22 @@
 package fr.obeo.dsl.arduino.simulator.design.services;
 
+import java.io.File;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
 
+import org.eclipse.core.runtime.FileLocator;
 import org.eclipse.emf.ecore.EObject;
+import org.osgi.framework.Bundle;
 
 import fr.obeo.dsl.arduino.ArduinoUtils;
 import fr.obeo.dsl.arduino.Connector;
 import fr.obeo.dsl.arduino.Module;
 import fr.obeo.dsl.arduino.Pin;
 import fr.obeo.dsl.arduino.Platform;
+import fr.obeo.dsl.arduino.design.services.ArduinoServices;
 import fr.obeo.dsl.arduino.simulator.Simulator;
 import fr.obeo.dsl.arduino.simulator.design.launcher.LauncherDelegate;
 import fr.obeo.dsl.debug.ide.sirius.ui.services.AbstractDSLDebuggerServices;
@@ -124,4 +131,34 @@ public int getLevel(Platform platform) {
 		return 0;
 	}
 
+	public String getSimulatingImage(Module module) {
+		int level = getLevel(module);
+		String imageName = getImageLevel(module, level);
+		Bundle bundle = org.eclipse.core.runtime.Platform
+				.getBundle("fr.obeo.dsl.arduino.simulator.design");
+		URL fileURL = bundle.getEntry("images/" + imageName);
+		File file;
+		try {
+			file = new File(FileLocator.resolve(fileURL).toURI());
+			if (!file.exists()) {
+				ArduinoServices service = new ArduinoServices();
+				return service.getImage(module);
+			}
+		} catch (URISyntaxException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+		return "fr.obeo.dsl.arduino.simulator.design/images/" + imageName;
+	}
+
+	private String getImageLevel(Module module, int level) {
+		String imageName = module.getImage().substring(0,
+				module.getImage().indexOf(".jpg"))
+				+ "_" + level + ".jpg";
+		return imageName;
+	}
 }
diff --git a/plugins/fr.obeo.dsl.arduino.simulator/src/fr/obeo/dsl/arduino/simulator/LoopSwitch.java b/plugins/fr.obeo.dsl.arduino.simulator/src/fr/obeo/dsl/arduino/simulator/LoopSwitch.java
index 635d65c..fc96052 100644
--- a/plugins/fr.obeo.dsl.arduino.simulator/src/fr/obeo/dsl/arduino/simulator/LoopSwitch.java
+++ b/plugins/fr.obeo.dsl.arduino.simulator/src/fr/obeo/dsl/arduino/simulator/LoopSwitch.java
@@ -139,7 +139,7 @@ private Integer getStatusValue(Status status) {
 	public Object caseSensor(Sensor sensor) {
 		final Pin pin = ArduinoUtils.getPin(simulator.getProject(),
 				sensor.getModule());
-		return simulator.getPinLevel(pin);
+		return interpretObjectValueToBoolean(simulator.getPinLevel(pin));
 	}
 
 	@Override
@@ -171,7 +171,7 @@ public Object caseWhile(While _while) {
 	@Override
 	public Object caseIf(If _if) {
 		final Instruction first = _if.getInstructions().get(0);
-		if (Boolean.TRUE.equals(_if.getCondition())) {
+		if (Boolean.TRUE.equals(doSwitch(_if.getCondition()))) {
 			Instruction current = first;
 			while (current != null) {
 				doSwitch(current);
diff --git a/plugins/fr.obeo.dsl.arduino.simulator/src/fr/obeo/dsl/arduino/simulator/SetupSwitch.java b/plugins/fr.obeo.dsl.arduino.simulator/src/fr/obeo/dsl/arduino/simulator/SetupSwitch.java
index 40537de..5b4fcdc 100644
--- a/plugins/fr.obeo.dsl.arduino.simulator/src/fr/obeo/dsl/arduino/simulator/SetupSwitch.java
+++ b/plugins/fr.obeo.dsl.arduino.simulator/src/fr/obeo/dsl/arduino/simulator/SetupSwitch.java
@@ -4,6 +4,7 @@
 
 import org.eclipse.emf.ecore.EObject;
 
+import fr.obeo.dsl.arduino.Connector;
 import fr.obeo.dsl.arduino.Pin;
 import fr.obeo.dsl.arduino.Variable;
 import fr.obeo.dsl.arduino.util.ArduinoSwitch;
@@ -53,7 +54,9 @@ public void setup() throws SimulationStoppedException {
 		Iterator<EObject> it = simulator.getProject().eAllContents();
 		while (it.hasNext()) {
 			EObject eObj = it.next();
-			if (eObj instanceof Variable || eObj instanceof Pin) {
+			System.out.println(eObj);
+			if (eObj instanceof Variable || eObj instanceof Pin
+					|| eObj instanceof Connector) {
 				doSwitch(eObj);
 			}
 		}
@@ -67,8 +70,16 @@ public Void caseVariable(Variable variable) {
 
 	@Override
 	public Void casePin(Pin pin) {
+		System.out.println("Init : " + pin);
 		simulator.setPinLevel(pin, Integer.valueOf(0));
 		return null;
 	}
 	
+	@Override
+	public Void caseConnector(Connector connector) {
+		System.out.println("Init : " + connector.getPin());
+		simulator.setPinLevel(connector.getPin(), Integer.valueOf(0));
+		return null;
+	}
+
 }