diff --git a/mqtt.py b/mqtt.py
index 357605b..75c00e5 100644
--- a/mqtt.py
+++ b/mqtt.py
@@ -7,9 +7,10 @@ def on_connect(client, userdata, flags, reason_code, properties):
     print(f"Connected with result code {reason_code}")
     # Subscribing in on_connect() means that if we lose the connection and
     # reconnect then subscriptions will be renewed.
-    client.subscribe("$SYS/#")
-    client.subscribe('test/hallo')
+    #client.subscribe("$SYS/#")
+    client.subscribe('test/topic')
     client.subscribe('homeassistant/status')
+    publish.single('test/topic', 'Hello, MQTT!', hostname='192.168.188.30', auth={'username': 'mqtt', 'password': 'mqtt'})
 
 
 # The callback for when a PUBLISH message is received from the server.