diff --git a/html/admin.html b/html/admin.html
index b9dd8e9..8a769f5 100755
--- a/html/admin.html
+++ b/html/admin.html
@@ -91,7 +91,7 @@
               </div>
 
               <div class="form-check mb-3">
-                <input class="form-check-input" type="checkbox" value="" id="check_envea" onchange="update_config_sqlite('envea', this.checked)">
+                <input class="form-check-input" type="checkbox" value="" id="check_envea" onchange="update_config_sqlite('envea', this.checked);add_sondeEnveaContainer() ">
                 <label class="form-check-label" for="check_envea">
                   Send Envea sensor data
                 </label>
@@ -341,6 +341,11 @@ window.onload = function() {
       checkbox_nmp5channels.checked = response.npm_5channel;
       checkbox_wind.checked = response["windMeter"];
       checkbox_uSpot.checked = response["send_uSpot"];
+      
+      // If envea is enabled, show the envea sondes container
+      if (response["envea"]) {
+        add_sondeEnveaContainer();
+      }
 
   },
   error: function(xhr, status, error) {
@@ -726,11 +731,14 @@ function add_sondeEnveaContainer() {
                 onchange="updateSondeStatus(${sonde.id}, this.checked)">
             </div>
             <input type="text" class="form-control" placeholder="Name" value="${sonde.name}" 
-              id="${sondeId}_name" onchange="updateSondeName(${sonde.id}, this.value)">
-            <input type="text" class="form-control" placeholder="Port" value="${sonde.port}" 
-              id="${sondeId}_port" onchange="updateSondePort(${sonde.id}, this.value)">
+              id="${sondeId}_name" readonly style="background-color: #f8f9fa;">
+            <select class="form-control" id="${sondeId}_port" onchange="updateSondePort(${sonde.id}, this.value)">
+              <option value="ttyAMA3" ${sonde.port === 'ttyAMA3' ? 'selected' : ''}>ttyAMA3</option>
+              <option value="ttyAMA4" ${sonde.port === 'ttyAMA4' ? 'selected' : ''}>ttyAMA4</option>
+              <option value="ttyAMA5" ${sonde.port === 'ttyAMA5' ? 'selected' : ''}>ttyAMA5</option>
+            </select>
             <input type="number" class="form-control" placeholder="Coefficient" value="${sonde.coefficient}" 
-              id="${sondeId}_coefficient" onchange="updateSondeCoefficient(${sonde.id}, this.value)">
+              id="${sondeId}_coefficient" readonly style="background-color: #f8f9fa;">
           </div>
         `;
         
diff --git a/sqlite/set_config.py b/sqlite/set_config.py
index 6a6d24b..235e173 100644
--- a/sqlite/set_config.py
+++ b/sqlite/set_config.py
@@ -56,7 +56,21 @@ for key, value, value_type in config_entries:
         (key, value, value_type)
     )
 
-# Insert envea sondes
+# Clean up duplicate envea sondes first (keep only first occurrence of each name)
+print("Cleaning up duplicate envea sondes...")
+cursor.execute("""
+    DELETE FROM envea_sondes_table 
+    WHERE id NOT IN (
+        SELECT MIN(id) 
+        FROM envea_sondes_table 
+        GROUP BY name
+    )
+""")
+deleted_count = cursor.rowcount
+if deleted_count > 0:
+    print(f"Deleted {deleted_count} duplicate envea sonde entries")
+
+# Insert envea sondes (only if they don't already exist)
 envea_sondes = [
     (False, "ttyAMA4", "h2s", 4),
     (False, "ttyAMA3", "no2", 1),
@@ -64,10 +78,18 @@ envea_sondes = [
 ]
 
 for connected, port, name, coefficient in envea_sondes:
-    cursor.execute(
-        "INSERT OR IGNORE INTO envea_sondes_table (connected, port, name, coefficient) VALUES (?, ?, ?, ?)",
-        (1 if connected else 0, port, name, coefficient)
-    )
+    # Check if sensor with this name already exists
+    cursor.execute("SELECT COUNT(*) FROM envea_sondes_table WHERE name = ?", (name,))
+    exists = cursor.fetchone()[0] > 0
+    
+    if not exists:
+        cursor.execute(
+            "INSERT INTO envea_sondes_table (connected, port, name, coefficient) VALUES (?, ?, ?, ?)",
+            (1 if connected else 0, port, name, coefficient)
+        )
+        print(f"Added envea sonde: {name}")
+    else:
+        print(f"Envea sonde '{name}' already exists, skipping")
 
 
 # Commit and close the connection