[OpenTRV-dev] Possible basis of OpenTRV hub?

Sat Apr 12 11:53:25 BST 2014

could not have said it better myself, 100% behind that idea

and yes a ras pi with emoncms will be able to do this

you can either use a pc to access it or a phone or whatever, the control
surfaces are designed by the user. so they can be adjusted for pc use or
phone use or both...

an attached display would just be an optional thing

2014-04-12 12:14 GMT+02:00 Bruno Girin <EMAIL ADDRESS HIDDEN>:

> The basic principle is that it should be able to degrade gracefully:
> - When you have a hub and it is working: full facility with complex
> settings, etc;
> - When you don't have a hub, your hub is not working or the TRV can't
> contact it, ensure that the TRV still works and has basic controls.
>
> I think the TRV should be able to operate fully on its own by remembering
> all settings sent by the hub (if installed) and by having simple controls
> for the most common settings. This way you only need a set of TRV but if
> you have the hub, you can access more advanced functionality and have funky
> graphs.
>
> I would also suggest that the hub should be a data storage and control
> centre with a simple REST + MQTT interface and not require a display. This
> way, you can integrate it with other devices, attach any number of displays
> (e.g. you could have your TV or your mobile phone act as a display). This
> is actually one of my bugbears with the way smart meters have been
> specified in the UK: the display also acts as the data storage unit and you
> have no way to access the data through other devices.
>
> My £0.02
>
> Bruno
>
>
>
> On 12 April 2014 10:07, Bo Herrmannsen <EMAIL ADDRESS HIDDEN> wrote:
>
>>   hehe... nor will the charge station for the hearing aid .-D
>>
>> but damon got a point... it does not help we make this to "advanced" for
>> old people, everyone has to be able to use it, for some a small learning
>> curve [image: Smiley med åben mund]
>>
>>
>>
>>  *From:* Stuart Poulton <EMAIL ADDRESS HIDDEN>
>> *Sent:* Saturday, April 12, 2014 11:02 AM
>> *To:* Closed list for developer discussions<EMAIL ADDRESS HIDDEN>
>> *Subject:* Re: [OpenTRV-dev] Possible basis of OpenTRV hub?
>>
>>
>> Of course if you've lost power the hearing won't be working either.
>> On 12 Apr 2014 09:58, "Bo Herrmannsen" <EMAIL ADDRESS HIDDEN> wrote:
>>
>>> oh it will work if the internet connection goes down :-D
>>>
>>> the central hub will be inside the house, but of course that one can
>>> loose power too and hence not issue commands :-P
>>>
>>>
>>>
>>> -----Oprindelig meddelelse----- From: Damon Hart-Davis
>>> Sent: Saturday, April 12, 2014 10:54 AM
>>> To: Closed list for developer discussions
>>> Subject: Re: [OpenTRV-dev] Possible basis of OpenTRV hub?
>>>
>>> Hi,
>>>
>>> Dinosaurs or not, I don't want anyone's house freezing just because
>>> their Internet connection goes down.
>>>
>>> I'm playing with an e-paper display at the moment (though not giving it
>>> much time)!
>>>
>>> Rgds
>>>
>>> Damon
>>>
>>>
>>> On 11 Apr 2014, at 20:24, Bo Herrmannsen <EMAIL ADDRESS HIDDEN>
>>> wrote:
>>>
>>> oh yes... forgot that the dino's still walk among us :-D
>>>>
>>>> but you are right, the thing with no UI coudl be seen as an option...
>>>> or we could make it more simple to only allow a smaller set of features to
>>>> be used on the box
>>>>
>>>> but for the central hub... could mabe add an 7" touch screen to it?
>>>>
>>>>
>>>>
>>>> -----Oprindelig meddelelse----- From: Damon Hart-Davis
>>>> Sent: Friday, April 11, 2014 9:18 PM
>>>> To: Closed list for developer discussions
>>>> Subject: Re: [OpenTRV-dev] Possible basis of OpenTRV hub?
>>>>
>>>>
>>>> On 11 Apr 2014, at 11:07, Bo Herrmannsen <EMAIL ADDRESS HIDDEN>
>>>> wrote:
>>>>
>>>> i imagine if anyone has the time and success with this we could almost
>>>>> drop the UI at the box and concentrate on a web ui instead :-D
>>>>>
>>>>
>>>> I always want to keep a simple UI on the boxes if possible, so that you
>>>> don't *need* a smartphone or an Internet connection to turn the radiator on
>>>> and off!
>>>>
>>>> Rgds
>>>>
>>>> Damon
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