diff --git a/CocktailWeb/Pages/Index.razor b/CocktailWeb/Pages/Index.razor
index cf453b0..ec014de 100644
--- a/CocktailWeb/Pages/Index.razor
+++ b/CocktailWeb/Pages/Index.razor
@@ -1,5 +1,4 @@
 @page "/"
-@using System.IO.Ports
 
 <PageTitle>Index</PageTitle>
 
@@ -7,47 +6,7 @@
 
 Welcome to your new app.
 
-<label for="portname">Port:</label>
-<InputText id="portname" @bind-Value="portname"></InputText>
-<button @onclick="SendData">Send data to Arduino</button>
-<p>
-    <label>Received: @receivedText</label>
-</p>
-
-
 
 @code {
-    SerialPort? port;
-    string? portname = "COM5";
-    string? receivedText;
 
-    public async Task SendData()
-    {
-        if (port == null && portname != null)
-        {
-            port = new SerialPort(portname);
-            port.BaudRate = 9600;
-            port.DataReceived += port_DataReceived;
-            port.DataBits = 8;
-            port.StopBits = StopBits.One;
-            port.Parity = Parity.None;
-            port.Handshake = Handshake.None;
-            port.RtsEnable = true;
-
-        }
-        if (port == null || port.IsOpen) return; // Port konnte nicht initialisiert werden oder ist bereits geöffnet - dann nicht nochmal öffnen
-        port.Open();
-        port.WriteLine("<RECIPE>");
-
-    }
-
-    private void port_DataReceived(object sender, SerialDataReceivedEventArgs e)
-    {
-        if (port != null)
-        {
-            var text = port.ReadExisting();
-            receivedText = text;
-            port.Close();
-        }
-    }
 }
diff --git a/CocktailWeb/Pages/SerialTest.razor b/CocktailWeb/Pages/SerialTest.razor
new file mode 100644
index 0000000..cc1be44
--- /dev/null
+++ b/CocktailWeb/Pages/SerialTest.razor
@@ -0,0 +1,71 @@
+@page "/serialtest"
+@using System.IO.Ports
+
+<PageTitle>Serial Test</PageTitle>
+
+<label for="portname">Port:</label>
+<InputText id="portname" @bind-Value="portname"></InputText>
+<label for="inputdata">Data:</label>
+<InputText id="inputdata" @bind-Value="inputdata"></InputText>
+<button @onclick="SendData">Send</button>
+<p>
+    <label>Received: @receivedText</label>
+</p>
+
+
+
+@code {
+    SerialPort? port;
+    string? portname = "COM5";
+    string? receivedText;
+    string? inputdata ="LED";
+
+    bool status = false;
+
+    bool Sending = false;
+    bool Receiving = false;
+
+    public async Task SendData()
+    {
+        if (Sending) return; // nichts senden, wenn bereits am Senden
+        Sending = true;
+        if (port == null && portname != null)
+        {
+            port = new SerialPort(portname);
+            port.BaudRate = 115200; //9600
+            port.DataReceived += port_DataReceived;
+            //port.DataBits = 8;
+            //port.StopBits = StopBits.One;
+            //port.Parity = Parity.None;
+            //port.Handshake = Handshake.None;
+            //port.RtsEnable = true;
+            port.Open();
+        }
+        if (port == null || !port.IsOpen) return; // Port konnte nicht initialisiert werden oder ist bereits geöffnet - dann nicht nochmal öffnen
+                                                  //   port.Write($"<REZEPT:1-40,3-20,5-30,7-30,1-40,3-20,5-30,7-30,1-40,3-20,5-30,7-30:REZEPT>");
+        port.Write($"<{inputdata}> ");
+        status = !status;
+        Sending = false;
+        //    inputdata = null;
+
+    }
+
+
+
+    private void port_DataReceived(object sender, SerialDataReceivedEventArgs e)
+    {
+        if (Receiving) return;
+        Receiving = true;
+        SerialPort port = (SerialPort)sender;
+        if (port != null)
+        {
+            var text = port.ReadExisting();
+            Console.WriteLine(text);
+            receivedText = text;
+            InvokeAsync(StateHasChanged);
+
+            // port.Close();
+        }
+        Receiving = false;
+    }
+}
diff --git a/CocktailWeb/Shared/TopRow.razor b/CocktailWeb/Shared/TopRow.razor
index 7d77838..3e19ce8 100644
--- a/CocktailWeb/Shared/TopRow.razor
+++ b/CocktailWeb/Shared/TopRow.razor
@@ -15,6 +15,7 @@
         <div class="dropdown-menu dropdown-menu-end" aria-labelledby="dropdownMenuLink">
             <a class="dropdown-item" href="/flaschen">Zutaten</a>
             <a class="dropdown-item" href="/cocktails">Cocktails</a>
+            <a class="dropdown-item" href="/serialtest">Serial Test</a>
         </div>
     </div>
 </div>