Building Forum›Home Theatre & Automation

Google Home integration with Home Assistant

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Apr 19, 2020
3:49 pm

Hi,

Anyone had experience with Home Assistant?

I am trying to connect my Google home based on the guide here:
https://www.home-assistant.io/integrations/google_assistant/#configuration

I have a TP-Link Archer VR900 Modem Router and had done the port forwarding as per this guide:
https://youtu.be/2tIUts0fyFk

NAT Forwarding > Virtual servers section has this details:
Service type: HTTP
External Port: 80
Internal IP: 192.168.1.108 (this is my Raspberry PI 4 where HA is stored - I’ve checked and it is static)
Internal Port: 8123
When I go to Google Home App settings and choose

Code:

[test] my test app

, it re-directs to homeassistant.local but could not establish connection.

camomiles

Apr 29, 2020
9:22 pm

homeassistant.local is only accessible inside your network. You need to use external IP address, however I do not think it is supported by google anymore.

Home Assistant has some instructions on how to set it up in more detail, but in essence you will need Dynamic DNS service subscription that will check when you external IP address would change and assign a address to it.

Here is one such service I found that seems to be free - https://www.noip.com/free. I have not actually used it, so you will have to do your own test of it. Your router should have built-in support for DynDNS service, have a look there which ones it supports too.

After you set it up you will get an internet address that will be mapped to your external IP address. For example, it might look something like yourhousename.dyndns.com.

So when you type it in browser, it will actually connect to your network from the outside. Dont forget to use HTTPS and allow ports for it, as Home Assistant prohibits http connections from outside the network.

This should roughly get you to access your home assistant from outside of your network. You can also provide this address in the Google Home configuration, so that it can connect to home assistant services.

Make sure you follow the guide on home assistant website in detail, because there are a lot of tricky things that might cause your setup to not work. One such thing would be a requirement to have https certificate for your domain name.

CTEC Smart Homes

Aug 14, 2020
12:01 am

We will have a Home Assistant enable version very shortly.

CTEC Smart Homes

Aug 14, 2020
12:01 am

We will have a Home Assistant enable version very shortly.

Drew01

Mar 09, 2021
9:38 pm

Working fine here, you need to use duckdns to forward to home assistant, or use Nabu Casa...

The doco works well if you follow it methodically

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