diff --git a/loop/1_NPM/send_data.py b/loop/1_NPM/send_data.py
index 8107bf1..c574041 100755
--- a/loop/1_NPM/send_data.py
+++ b/loop/1_NPM/send_data.py
@@ -74,7 +74,7 @@ import RPi.GPIO as GPIO
 from adafruit_bme280 import basic as adafruit_bme280
 
 # Record the start time of the script
-start_time = time.time()
+start_time_script = time.time()
 
 # Check system uptime
 with open('/proc/uptime', 'r') as f:
@@ -197,26 +197,38 @@ if connected_envea_sondes:
 
 
 
-def read_complete_response(serial_connection, timeout=2, end_of_response_timeout=2):
+def read_complete_response(serial_connection, timeout=2, end_of_response_timeout=2, wait_for_line=None):
     response = bytearray()
     serial_connection.timeout = timeout
     end_time = time.time() + end_of_response_timeout
-
+    start_time = time.time()
+ 
     while True:
+        elapsed_time = time.time() - start_time  # Time since function start
         if serial_connection.in_waiting > 0:
             data = serial_connection.read(serial_connection.in_waiting)
             response.extend(data)
             end_time = time.time() + end_of_response_timeout  # Reset timeout on new data
+
+            # Decode and check for the specific line
+            if wait_for_line:
+                decoded_response = response.decode('utf-8', errors='replace')
+                if wait_for_line in decoded_response:
+                    print(f"[DEBUG] 🔎Found target line: {wait_for_line}")
+                    break
         elif time.time() > end_time:
+            print(f"[DEBUG] Timeout reached. No more data received.")
             break
         time.sleep(0.1)  # Short sleep to prevent busy waiting
-
-    return response.decode('utf-8')
+    # Final response and debug output
+    total_elapsed_time = time.time() - start_time
+    print(f"[DEBUG] ⏱️ elapsed time: {total_elapsed_time:.2f}s. ⏱️")
+    return response.decode('utf-8', errors='replace')
 
 # Open and read the JSON file
 try:
     # Send the command to request data (e.g., data for 60 seconds)
-    print("SART LOOP")
+    print('<h3>START LOOP</h3>')
     print("Getting NPM values")
     ser_NPM.write(b'\x81\x12\x6D')
 
@@ -320,9 +332,9 @@ try:
     print("-> Getting LTE signal <-")
     ser_sara.write(b'AT+CSQ\r')
     response2 = read_complete_response(ser_sara)
-    print("Response:")
+    print('<p class="text-danger-emphasis">')
     print(response2)
-    print("<----")
+    print("</p>")
     match = re.search(r'\+CSQ:\s*(\d+),', response2)
     if match:
         signal_quality = match.group(1)
@@ -360,9 +372,12 @@ try:
     command= f'AT+UHTTPC=0,4,"/pro_4G/data.php?sensor_id={device_id}","server_response.txt","sensordata_csv.json",4\r'                                                                                            
     ser_sara.write(command.encode('utf-8'))
 
-    response_SARA_3 = read_complete_response(ser_sara, timeout=5)
+    response_SARA_3 = read_complete_response(ser_sara, timeout=5, end_of_response_timeout=10, wait_for_line="+UUHTTPCR")
+
+    print('<p class="text-danger-emphasis">')
     print(response_SARA_3)
-    
+    print("</p>")
+
     # Wait for the +UUHTTPCR response
     #print("Waiting for +UUHTTPCR response...")
     #response_received = False
@@ -373,7 +388,7 @@ try:
     #        response_received = True
     
     if "+UUHTTPCR" in response_SARA_3:
-        print("Received +UUHTTPCR response.")
+        print("✅ Received +UUHTTPCR response.")
 
         # Les types de réponse 
 
@@ -475,6 +490,8 @@ try:
                     print('<p class="text-success">')
                     print(response_SARA_4)
                     print('</p>')
+    else:
+        print('<span style="color: red;font-weight: bold;">No UUHTTPCR response</span>')
 
     #5. empty json
     print("Empty SARA memory:")
@@ -591,12 +608,10 @@ try:
     
 
     # Calculate and print the elapsed time
-    elapsed_time = time.time() - start_time
+    elapsed_time = time.time() - start_time_script
     if need_to_log:
         print(f"Elapsed time: {elapsed_time:.2f} seconds")
-        print("----------------------------------------")
-        print("----------------------------------------")
-
+        print("<hr>")
 
 except Exception as e:
     print("An error occurred:", e)