diff --git a/ProftaakRH/BLEReciever.cs b/ProftaakRH/BLEReciever.cs
index 29cd2ec..1105362 100644
--- a/ProftaakRH/BLEReciever.cs
+++ b/ProftaakRH/BLEReciever.cs
@@ -2,9 +2,10 @@
 using System.Collections.Generic;
 using System.Text;
 
-namespace ProftaakRH
+namespace Hardware
 {
-    class Class1
+    class BLEReciever
     {
+        IDataConverter dataConverter;
     }
 }
diff --git a/ProftaakRH/BikeSimulator.cs b/ProftaakRH/BikeSimulator.cs
index 29cd2ec..4b106bc 100644
--- a/ProftaakRH/BikeSimulator.cs
+++ b/ProftaakRH/BikeSimulator.cs
@@ -2,9 +2,10 @@
 using System.Collections.Generic;
 using System.Text;
 
-namespace ProftaakRH
+namespace Hardware.Simulators
 {
-    class Class1
+    class BikeSimulator
     {
+        IDataConverter dataConverter;
     }
 }
diff --git a/ProftaakRH/DataConverter.cs b/ProftaakRH/DataConverter.cs
index 436d08f..7378fe7 100644
--- a/ProftaakRH/DataConverter.cs
+++ b/ProftaakRH/DataConverter.cs
@@ -2,9 +2,24 @@
 using System.Collections.Generic;
 using System.Text;
 
-namespace ProftaakRH
+namespace Hardware
 {
-    class DataConverter
+    class DataConverter : IDataConverter
     {
+        public void Bike(byte[] bytes)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void BPM(byte[] bytes)
+        {
+            throw new NotImplementedException();
+        }
+    }
+
+    interface IDataConverter
+    {
+        void BPM(byte[] bytes);
+        void Bike(byte[] bytes);
     }
 }
diff --git a/ProftaakRH/FietsDemo.cs b/ProftaakRH/FietsDemo.cs
index b97a0df..d95c24f 100644
--- a/ProftaakRH/FietsDemo.cs
+++ b/ProftaakRH/FietsDemo.cs
@@ -4,6 +4,8 @@ using System.Collections.Generic;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using Hardware.Simulators;
+using Hardware;
 
 namespace FietsDemo
 {
@@ -12,8 +14,10 @@ namespace FietsDemo
         static void Main(string[] args)
         {
             foo foo = new foo();
-            BLEReceiver bLEReceiver = new BLEReceiver(foo);
-            bLEReceiver.ConnectToBLE();
+            //BLEReceiver bLEReceiver = new BLEReceiver(foo);
+
+
+            //bLEReceiver.ConnectToBLE();
             Console.Read();
         }