diff --git a/backend/functions.py b/backend/functions.py
index cc0048f..4a9d73d 100644
--- a/backend/functions.py
+++ b/backend/functions.py
@@ -85,7 +85,7 @@ def read_data_handler(data_buffer):
                         # Remove the extracted line from the buffer
                         data_buffer = data_buffer[line_index + len(NEWLINE):]
 
-                        print(f"Received line: {line}") #DEBUG
+                        #print(f"Received line: {line}") #DEBUG
                         
                         # Process the line (convert to json and send it to the UDP server)
                         csv_to_json(udp_socket, line, UDP_PORT, VALUES, SEPARATOR)
@@ -113,8 +113,17 @@ def csv_to_json(udp_socket, line_csv, UDP_PORT, VALUES, SEPARATOR):
         for value, csv_part in zip(VALUES, csv_parts):
             # Check if the csv part is not NULL
             if value != "NOPE":
+                # Convert value to int or float if possible
+                try:
+                    csv_part = int(csv_part)  # Try converting to integer
+                except ValueError:
+                    try:
+                        csv_part = float(csv_part)  # Try converting to float
+                    except ValueError:
+                        pass  # If not convertible, keep the value as string
+
                 # Add the value and csv part to the json_data dictionary
-                json_data[value] = csv_part.strip()
+                json_data[value] = csv_part
 
         # Send the data to the UDP server
         send_json_to_udp(udp_socket, json_data, UDP_PORT)
@@ -125,13 +134,11 @@ def csv_to_json(udp_socket, line_csv, UDP_PORT, VALUES, SEPARATOR):
 # Send JSON data to the UDP server
 def send_json_to_udp(udp_socket, json_data, UDP_PORT):
     try:
-        print(f"Sending JSON data: {json_data}")  #DEBUG
         # Serialize the JSON data to a string
-        json_string = json.dumps(json_data)
-        # Encode the JSON string to bytes
-        json_bytes = json_string.encode('utf-8')
+        json_bytes = json.dumps(json_data).encode('utf-8')
         # Send JSON data to the server
         udp_socket.sendto(json_bytes, (LOCALHOST_IP, int(UDP_PORT)))    # Check with cmd:  nc -ul <UDP_PORT>
+        #print(f"Sending JSON data: {json_data}")  #DEBUG
 
     except Exception as e:
         print(f"Error sending JSON data to UDP server: {e}")
diff --git a/main.py b/main.py
index d05fd93..e2f98b6 100644
--- a/main.py
+++ b/main.py
@@ -6,7 +6,6 @@
 
 class GUI:
     def __init__(self):    
-
         # Create a new instance of Tkinter application
         self.app = tk.Tk()
 
@@ -19,9 +18,6 @@ def __init__(self):
         self.UDP_PORT=5000
         self.SERIAL_PORT='/dev/ttyUSB0'
 
-        # Flag
-        self.connected = False
-
         global controller_thread
         controller_thread = None
 
@@ -32,7 +28,7 @@ def __init__(self):
         self.screen_width = self.app.winfo_screenwidth()
         self.screen_height = self.app.winfo_screenheight()
         self.window_width = 500
-        self.window_height = 580
+        self.window_height = 600
         self.x_coordinate = (self.screen_width - self.window_width) // 2
         self.y_coordinate = (self.screen_height - self.window_height) // 2
 
@@ -97,11 +93,11 @@ def __init__(self):
         self.textbox_serial_port.grid(row=15, column=1, columnspan=10)
 
         # Connect button
-        self.connect_button = tk.Button(self.frame, text="Connect", command=self.connect_thread, font=("Arial", 14, "bold"), width=7, height=2)
+        self.connect_button = tk.Button(self.frame, text="Connect", command=self.connect_thread, font=("Arial", 14, "bold"), width=8, height=2)
         self.connect_button.grid(row=16, column=0, columnspan=5, pady=15)
 
         # Disconnect button
-        self.disconnect_button = tk.Button(self.frame, text="Disconnect", command=self.disconnect, font=("Arial", 14, "bold"), width=7, height=2, state="disabled")
+        self.disconnect_button = tk.Button(self.frame, text="Disconnect", command=self.disconnect, font=("Arial", 14, "bold"), width=8, height=2, state="disabled")
         self.disconnect_button.grid(row=16, column=7, columnspan=5, pady=15)
 
         # Connected status
@@ -129,8 +125,7 @@ def browse_file_config_model(self):
     def connect_thread(self):
         global controller_thread
         # Start a new thread for the connect function
-        controller_thread = threading.Thread(target=self.connect, daemon=True)
-        controller_thread.start()
+        controller_thread = threading.Thread(target=self.connect, daemon=True).start()
 
     def connect(self):
         # Get the port from the textbox