diff --git a/lib/screens/bluetooth_screen.dart b/lib/screens/bluetooth_screen.dart
index 1d8541b..22c0c4d 100644
--- a/lib/screens/bluetooth_screen.dart
+++ b/lib/screens/bluetooth_screen.dart
@@ -40,6 +40,7 @@ class _BluetoothScreen extends State<BluetoothScreen> {
   bool isConnecting = false;
   bool isDisconnecting = false;
   bool isConnected = false;
+  String textInput = "0123456789 abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 
   ButtonStyle buttonStyle = ElevatedButton.styleFrom(
     foregroundColor: Colors.black,
@@ -193,10 +194,10 @@ class _BluetoothScreen extends State<BluetoothScreen> {
   }
 
   Future<void> _sendData() async {
-    String output = "0123456789 abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ !§%&()=?#!?";
-    _bluetoothConnection!.output
-        .add(Uint8List.fromList(const Utf8Encoder().convert("$output \r\n")));
-    await _bluetoothConnection!.output.allSent;
+    //String output = "0123456789 abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ";// !§%&()=?#!?";
+    String output = textInput;
+    //_bluetoothConnection!.output.add(Uint8List.fromList(const AsciiEncoder().convert("$output \r\n")));
+    //await _bluetoothConnection!.output.allSent;
     debugPrint("sent: $output");
   }
 
@@ -249,6 +250,16 @@ class _BluetoothScreen extends State<BluetoothScreen> {
                 ],
               ),
               const Divider(),
+              TextFormField(
+                decoration: const InputDecoration(
+                    labelText: "BluetoothText"
+                ),
+                initialValue: textInput,
+                keyboardType: TextInputType.text,
+                onChanged: (String newValue) {
+                  textInput = newValue;
+                },
+              ),
               ElevatedButton(
                 onPressed: () async {
                   await Permission.bluetoothConnect.request();