diff --git a/sensor.py b/sensor.py
index ad208f4..02995c5 100644
--- a/sensor.py
+++ b/sensor.py
@@ -21,3 +21,13 @@
 def on_motion_detected(channel):
     print("Motion Detected!")
     client.publish(MQTT_TOPIC, "Motion Detected")
+    
+# Add event detection on the PIR pin
+GPIO.add_event_detect(PIR_PIN, GPIO.RISING, callback=on_motion_detected)
+
+try:
+    print("PIR Module Test (CTRL+C to exit)")
+    time.sleep(2)  # to stabilize sensor
+    print("Ready")
+
+