Merge against v1.3.4 instead of 1.3.3

not sure what went wrong but here we are...
Setting to v1.4.0 as def a functionality change

Author: dceejay

hardware/Arduino/35-arduino.html

@@ -18,7 +18,7 @@
     </div>
     <div class="form-row">
         <label for="node-config-input-samplingInt" style="width:150px;"><i class="fa fa-circle"></i> <span data-i18n="arduino.label.samplingInt"></span></label>
-        <input type="number" id="node-config-input-samplingInt" style="width:20%;" data-i18n="[placeholder]arduino.placeholder.samplingInt" min=10 max=65500 />
+        <input type="number" id="node-config-input-samplingInt" style="width:20%;" data-i18n="[placeholder]arduino.placeholder.samplingInt" min=10 max=65500 /> mS
     </div>
     <div class="form-row">
 		<label for="node-config-input-log2consol"><i class="icon-bookmark"></i>Log to console</label>
@@ -43,30 +43,41 @@
         },
         oneditprepare: function() {
             try {
-                $("#node-config-input-device").autocomplete( "destroy" );
+                $("#node-config-input-device").autocomplete( "destroy" ); // Remove auto-complete functionality from an <input>.
             } catch(err) { };
 
-            $("#node-config-lookup-serial").click(function() { // Board's serial port search function
-                //console.log("Serial Auto-search started.");
-                $("#node-config-lookup-serial-icon").removeClass('fa-search');
-                $("#node-config-lookup-serial-icon").addClass('spinner');
-                $("#node-config-lookup-serial")     .addClass('disabled');
-
-                $.getJSON('arduinoports', function(data) {
-                    //console.log('Serial Auto-search found data: %o', data);
-                    $("#node-config-lookup-serial-icon").removeClass('spinner');
-                    $("#node-config-lookup-serial")     .removeClass('disabled');
-                    $("#node-config-lookup-serial-icon").addClass('fa-search');
-                    let ports = data || [];
-                    $("#node-config-input-device").autocomplete({
-                        source: ports,
-                        minLength: 0,
-                        close: function( event, ui ) {
-                            //console.log("Serial Auto-search closing.");
-                            $("#node-config-input-device").autocomplete( "destroy" );
-                        }
-                    }).autocomplete("search", "");
-                });
+            $("#node-config-lookup-serial").click(async function() { // Board's serial port search function
+                console.log("Serial Auto-search started.");
+                $("#node-config-lookup-serial-icon").removeClass('fa-search').addClass('spinner');
+                $("#node-config-lookup-serial").addClass('disabled');
+
+                try {
+                    $.getJSON('arduinoports', async function(data, data2) {
+                        //console.log('Serial Auto-search found data: %o', data);
+                        //console.log('Data2: %o', data2);
+
+                        // UI Updates
+                        $("#node-config-lookup-serial-icon").removeClass('spinner').addClass('fa-search');
+                        $("#node-config-lookup-serial").removeClass('disabled');
+                        // Ensure ports is an array (fallback to empty array)
+                        ports = data || [];
+
+                        $("#node-config-input-device").autocomplete({
+                            source: ports,
+                            minLength: 0,
+                            close: function(event, ui) {
+                                console.log("Serial Auto-search closing.");
+                                $("#node-config-input-device").autocomplete("destroy");
+                            }
+                        }).autocomplete("search", "");
+                    });
+                } catch (error) {
+                    console.error('Error fetching serial ports:', error);
+
+                    // Reset UI on error
+                    $("#node-config-lookup-serial-icon").removeClass('spinner').addClass('fa-search');
+                    $("#node-config-lookup-serial").removeClass('disabled');
+                }
             });
         }
     });
@@ -216,7 +227,7 @@ <h3>The "in" node:</h3>
         color:"#3fadb5",
         defaults: {
             name: {value:""},
-            pin: {value:"",validate: function(v) {
+            pin: {value:"", validate: function(v) {
                     var ct = $("#node-input-state").val() || this.state;
                     return ct === 'STRING' || (v !== '');
                 }},