diff --git a/esp-deckenlicht.ino b/esp-deckenlicht.ino
index 6517c42..b46cc0f 100644
--- a/esp-deckenlicht.ino
+++ b/esp-deckenlicht.ino
@@ -5,6 +5,7 @@
 #define PIN_LIGHT1   D6
 #define PIN_LIGHT2   D7
 #define PIN_LIGHT3   D8
+#define PIN_SENSOR   D0
 
 #define FULL 255
 #define LOWER 50
@@ -22,7 +23,11 @@ int step = 0;
 bool disco = false;
 int lastEvent = 0;
 
+bool lastSensorValue = false;
+
 HomieNode lightNode("strip", "strip");
+HomieNode sensorNode("sensor", "sensor");
+Bounce debouncer = Bounce();
 
 bool speedHandler(const HomieRange& range, const String& value) {
   Homie.getLogger() << "speed " << ": " << value << endl;
@@ -145,6 +150,12 @@ void loopHandler()
       step++;
     }
   }
+  bool sensorValue = debouncer.read();
+  if (Homie.isConfigured() && Homie.isConnected() && sensorValue != lastSensorValue) {
+      sensorNode.setProperty("motion").send(sensorValue ? "true" : "false");
+      lastSensorValue = sensorValue;
+  }
+
 }
 
 void setup() {
@@ -155,6 +166,10 @@ void setup() {
   pinMode(PIN_LIGHT1, OUTPUT);
   pinMode(PIN_LIGHT2, OUTPUT);
   pinMode(PIN_LIGHT3, OUTPUT);
+  
+  debouncer.attach(SENSOR_PIN,INPUT);
+  debouncer.interval(50);
+
 
   Homie_setFirmware(FW_NAME, FW_VERSION);
   Homie_setBrand(FW_NAME);
@@ -167,6 +182,8 @@ void setup() {
   lightNode.advertise("light1").settable(light1Handler);
   lightNode.advertise("light2").settable(light2Handler);
   lightNode.advertise("light3").settable(light3Handler);
+  
+  sensorNode.advertise("motion");
 
   Homie.setup();
 
@@ -176,6 +193,7 @@ void setup() {
 
 void loop() {
   Homie.loop();
+  debouncer.update();
   ArduinoOTA.handle();
 }