Hello everyone! 
I’m thrilled to share my recent experience integrating my existing KNX system with Home Assistant. As someone who’s just dipping their toes into the world of smart home automation, this journey has been both exciting and educational. Let me walk you through how I made it happen!
The Setup
My deployment looks like this:
- Home Router → Home Assistant → MDT IP Gateway/Router → KNX System
I started by configuring the KNX IP interface in Home Assistant. Here’s a snippet of my configuration.yaml setup:
yaml
knx:
tunneling:
host: “10.0.39.41”
Lights Configuration
For the lighting setup, I configured my kitchen lights like this:
yaml
light:
- name: “Kitchen HAVI”
address: “1/0/9”
state_address: “1/1/9” - name: “Kitchen ST”
address: “1/0/1”
state_address: “1/1/9”
Climate Configuration
And here’s how I set up my climate control:
yaml
climate:
- name: “Sankt Paul”
temperature_address: “5/1/1”
setpoint_shift_address: “5/1/2”
setpoint_shift_state_address: “5/1/3”
target_temperature_state_address: “5/1/4”
operation_mode_address: “5/1/5”
operation_mode_state_address: “5/1/6”
The Challenges
At first, I was concerned about whether the connection between HA and the MDT IP Gateway was established. After some research and testing, I confirmed that pinging from HA to the gateway worked, ensuring the connection was solid.
The Success
The moment I saw the first button appear in HA was pure joy! 
It meant that my KNX system was successfully integrated. I couldn’t wait to test more functionalities and expand my setup.
Tips for Beginners
- Start Small: Begin with a single room or function to get a feel for the integration process.
- Verify Connections: Ensure your network setup allows proper communication between HA and your KNX gateway.
- Refer to the Community: Don’t hesitate to ask questions here. The community is incredibly supportive!
Final Thoughts
This experience has been a great learning opportunity, and I’m now inspired to explore more advanced configurations. If you’re considering integrating your KNX system with HA, I highly recommend giving it a try! The satisfaction of seeing everything work seamlessly is truly rewarding.
Thank you to everyone who contributed to the resources and discussions that helped me along the way! 
Happy automating! 