Hi, I have a question about the use of templates, I have a serial sensor that connects to the USB port on the KNX bus of my home domotics system and I am able to view the telegrams that pass through the BUS. I need to intercept some telegrams that identify the status of the lights on or off. I wa…

Hi! I’d suggest to use the knx integration for this. It needs a Knx-IP-Interface. If you don’t have one you can use knxd to emulate one from your USB-Interface. (Search the forum here for knxd). You won’t have to handle telegram payloads then and Entities are created for you.

Hi Matthias, thank you for reply! IP KNX Gateway are too expensive, I have a serial knxgate that permit my self to manage automation/light/scene with an interface that cost less than €30, IP GW for my System cost more than € 1000. Thanks to HA I’m already can control with the Alexa Integration pe…

Where are you using these templates?

I’m testing in the Developer Tools section to understand if all goes well, then I will move to configuration.yaml.

As I said, you can emulate an IP Interface with knxd. It costs nothing. Normal Knx Interfaces cost ~120€

Thank you guys explaining why I can get more using an IP Interface, maybe in future I will move to them. I also know busware an itneresting project! Now I’d like to understand if someone knows how to solve using HA templates or by other software way!

It depends where you are using it. for example if in a template switch with an entity id of switch.my_switch value_template: >- {% if '0D C1 E1 00 80' in states ('sensor.serial_sensor'). Split (':') [1] %} {{'ON'}} {% elif '0D C1 E1 00 81' in states ('sensor.serial_sensor'). Split (…

you should be able to turn your serial/usb interface into an IP interface with my add-on that has been linked above. You can then also use ETS5 via IP and what not. edit: so basically install the add-on (or run knxd on your device of choice), adjust the configuration to the KNX interface device you…

Thank you for your help! Seems to be the right way, I tried the code but I need to tune a little bit cause sensor return after few second in off state. I’ll try go deeper with the guide above.

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tom_l January 28, 2021, 11:57am 7

This one?

KNXD add-on: covert your KNX-USB interface into an IP interface that can be used by HA Home Assistant OS

Hey community, I’ve been working on a knxd add-on for hass-io and would like to share my progress. KNXD is a daemon/library that can turn your device into a KNX IP-Interface/gateway and a lot more. The aim of my add-on is to provide a KNX IP-Interface by utilizing connected TPUART/USB devices. In my case I have a TPUART USB-stick from busware.de, which I can now use to program my KNX devices from ETS software and also use it as IP gateway for the KNX hass component. Maybe it’s of use for someb…

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