Emon and Home assistant integration

foxlees · 2020-01-27T12:41:16.010Z

Hi, I have just installed a ecompi and a ecom TX I use Home assistant on a separate Ras Pi and have MQTT running on that device to intergrate with other devices, I would like to feed my Power usage from the Ecompi and TX into Home assistant, has nyone done this and if so can they give me a few pointers and maybe some example configs.
Thanks in advance
Simon

borpin · 2020-01-27T14:11:30.142Z

Hi, Welcome.

Under the Input processes, there is the ability to publish to MQTT. choose a suitable publish topic (not emon) and then configure HA to pick up that MQTT topic.

foxlees · 2020-01-27T16:27:50.710Z

Thanks Brian, little confused, my MQTT broker is in HA has a separate Username and password,
Do zi replace the one in Emonpi config with the HA broker details.
Also you mention to create a separate topic not Emon, where is that done

borpin · 2020-01-27T16:44:50.596Z

foxlees:

my MQTT broker is in HA has a separate Username and password,

Emoncms will only publish/subscribe to one MQTT broker, by default the one installed on the EmonPi. You could get Emoncms to talk to just the HA MQTT broker instead. Change the settings in the settings.ini file in the /var/www/emoncms/ folder. You will also need to edit emonhub (from the menu in Emoncms) to also use the HA MQTT Broker.

On the Inputs page, click on the spanner next to the input you want to export. Under the processes available you will find

You specify the published topic in the text box.

foxlees · 2020-01-27T20:17:23.353Z

Thanks again, I have added the publish to MQTT in the input of one of the feeds.
I understand where to change the settings in the config emonhub.
I have a MAC is there a way to install SAMBA or simular so I can use the Finder window rather than through a terminal,
also if I make these changes do the feeds and inputs still appear in emoncms local and online cloud?

borpin · 2020-01-28T07:25:17.323Z

foxlees:

I have a MAC is there a way to install SAMBA

SAMBA is a PITA IMHO! much easier to just SSH.

Bill.Thomson · 2020-01-28T14:11:03.119Z

foxlees:

is there a way to install SAMBA

Have you tried a Google (or your preferred search engine) search?

wyx087 · 2020-01-28T15:34:39.645Z

Home assistant already have emoncms integration.

Home Assistant

Emoncms

Instructions on how to integrate Emoncms feeds as sensors into Home Assistant.

I’m using this integration with my new Emonpi setup, works great.

borpin · 2020-01-28T16:27:20.203Z

wyx087:

Home assistant already have emoncms integration.

Every day a learning day.

I didn’t know that!

Cheers

[edit]
OK my memory is definitely on the blink

Emoncms Home Assistant Integrations

Mmmm, never found this component before and I use HA quite a lot!!! HA has moved on a lot since this was created so it is very possible it is now broken. Try the IP address? I currently post everything from EmonCMS to an ‘output’ MQTT topic which I pick up in HA. I’m about to (over Christmas) move my HA install to a new 4Gb RPi 4 with an HDD. I’ll have a play with the node then.

borpin · 2020-01-28T18:06:50.870Z

I had another look at the component. The main limitation is you need to create a new sensor for each measurement type. This component was created by @joyrider3774 a while back before the API was changed (I suspect).

I’ve submitted an Issue for an enhancement. It is quite straight forward to do I suspect.

github.com/home-assistant/core

Enhancement - Emoncms component - add unit from data

opened 06:02PM - 28 Jan 20 UTC

closed 12:11PM - 28 Apr 20 UTC

borpin

integration: emoncms stale

## The problem  The Emoncms API has changed to include the 'unit' of the the data feed. Currently the component assumes a unit of W so several sensors need to be created for each feed with a different unit. ## Environment  - Home Assistant release with the issue: N/A - Last working Home Assistant release (if known): N/A - Operating environment (Hass.io/Docker/Windows/etc.): Any - Integration causing this issue: Emoncms - Link to integration documentation on our website: https://www.home-assistant.io/integrations/emoncms/ ## Problem-relevant `configuration.yaml`  As per component help ```yaml ``` ## Traceback/Error logs  ```txt ``` ## Additional information This line could be amended to get the data from the data JSON. The relevant element is 'unit'. https://github.com/home-assistant/home-assistant/blob/03954be12df4a1a2357064cbf58978157d10a40e/homeassistant/components/emoncms/sensor.py#L147 Data format: ``` { "id": "7", "userid": "1", "name": "Supply", "datatype": "1", "tag": "Helios", "public": "1", "size": "1802632", "engine": "5", "processList": "", "unit": "\u00b0C", "value": 17, "time": 1580231227, "start_time": 1543153800, "interval": 60 } ``` The key question would be how to migrate this without breaking existing configs. It may need an additional configuration item such as "Use Feed Units" to allow the component to decide. This could default to false so should not break existing setups.

foxlees · 2020-01-28T19:34:11.601Z

Thanks didn’t realise this have added and works well, easier than using MQTT.
are you using any particular lovelace card, ie guage or graphs, also have you done anything else with the data

wyx087 · 2020-01-29T14:17:48.911Z

borpin:

I’ve submitted an Issue for an enhancement. It is quite straight forward to do I suspect.

This enhancement will be greatly appreciated. I currently have to set up one sensor for W and another for daily kWh.

foxlees:

Thanks didn’t realise this have added and works well, easier than using MQTT.
are you using any particular lovelace card, ie guage or graphs, also have you done anything else with the data

On top of default graph card, I’m using Power wheel card to display instantons data:

GitHub

GitHub - gurbyz/power-wheel-card: An intuitive way to represent the power and...

An intuitive way to represent the power and energy that your home is consuming or producing. (A custom card for the Lovelace UI of Home Assistant.) - GitHub - gurbyz/power-wheel-card: An intuitive ...

I’m also using solar generation as condition to hallway and stairs light automations. It’s a very nice sensor for ambient light levels
Eg. trigger: motion; condition: solar generation <20W; action: turn on lights.