diff --git a/98-ds18b20.html b/98-ds18b20.html
index 34d437e..82f311d 100644
--- a/98-ds18b20.html
+++ b/98-ds18b20.html
@@ -5,9 +5,10 @@
         defaults: {
             name: {value:""},
             sensorid: {value:"", required:true},
-            timer: {value:"1", required:true, validate:RED.validators.number()}
+            timer: {value:"1", required:true, validate:RED.validators.number()},
+            repeat: {value: false}
         },
-        inputs: 0,
+        inputs: 1,
         outputs: 1,
         icon: "thermometer.png",
         label: function() {
@@ -37,7 +38,11 @@
         <select type="text" id="node-input-sensorid">
         </select>
     </div>
-        <div class="form-row">
+    <div class="form-row">
+      <label for="node-input-name"><i class="icon-ok"></i>Allow sensing interval/repetion</label>
+      <input type="checkbox" id="node-input-repeat">
+      </div>
+    <div class="form-row">
         <label for="node-input-timer"><i class="fa fa-repeat"></i> Interval (min)</label>
         <input type="text" id="node-input-timer" placeholder="1">
     </div>
diff --git a/98-ds18b20.js b/98-ds18b20.js
index 2b634b4..aa4e8ff 100644
--- a/98-ds18b20.js
+++ b/98-ds18b20.js
@@ -5,6 +5,7 @@ module.exports = function(RED) {
     function DS18B20Node(config) {
         RED.nodes.createNode(this, config);
         this.sensorid = config.sensorid;
+        this.repeat = config.repeat;
         // user input is in minutes, this is conversion to miliseconds
         this.timer = config.timer * 1000 * 60;
         var node = this;
@@ -18,11 +19,15 @@ module.exports = function(RED) {
             });
         }
 
-        node.tout = setInterval(readSensor, node.timer);
-
         this.on("close", function() {
             clearInterval(this.tout);
         });
+
+        if (node.repeat)
+          node.tout = setInterval(readSensor, node.timer);
+
+        this.on('input', readSensor);
+
     }
 
     RED.nodes.registerType("ds18b20", DS18B20Node);