some additions

software/backend/main.py

@@ -9,7 +9,7 @@ Used protocol for interaction: mqtt (paho-mqtt module)
 
 # imports
 import paho.mqtt.client as mqtt
-from software.defines import MQTT_BROKER_LOCAL, MQTT_BROKER_GLOBAL, Topics
+from software.defines import MQTT_BROKER_LOCAL, MQTT_BROKER_GLOBAL, Topics, BACKEND_CLIENT_ID
 from plantdatabase import PlantDataBase
 import data_functions
 
@@ -64,7 +64,7 @@ def on_connect(client: mqtt.Client, userdata, flags, rc):
 
 
 def main():
-    client = mqtt.Client()
+    client = mqtt.Client(BACKEND_CLIENT_ID)
     client.on_connect = on_connect
     client.connect(MQTT_BROKER_GLOBAL)
     client.loop_forever()