diff --git a/loop/1_NPM/send_data.py b/loop/1_NPM/send_data.py
index 7d7b5d3..d7e0c77 100755
--- a/loop/1_NPM/send_data.py
+++ b/loop/1_NPM/send_data.py
@@ -227,6 +227,13 @@ def read_complete_response(serial_connection, timeout=2, end_of_response_timeout
     # Final response and debug output
     total_elapsed_time = time.time() - start_time
     print(f"[DEBUG] ⏱️ elapsed time: {total_elapsed_time:.2f}s. ⏱️")
+    # Check if the elapsed time exceeded 10 seconds
+    if total_elapsed_time > 10:
+        print(f"[ALERT] 🚨 The operation took too long: {total_elapsed_time:.2f}s. 🚨")
+        print('<span style="color: red;font-weight: bold;"></span>')
+        print(f"{total_elapsed_time:.2f}s")
+        print('</span>')
+
     return response.decode('utf-8', errors='replace')
 
 # Open and read the JSON file