[OpenTRV-interest] Where to start?

[Alasdair Macdonald]

I don't know if your research led you to the Q-3 Max! products; your links
shows something that AFAICT is either a clone or badged version of the
Q3-Max! TRV. See:

http://www.eq-3.de/
http://www.conrad-electronic.co.uk/ce/en/overview/0812043/MAX-Heating-Control-Systems
http://www.automatedhome.co.uk/hardware/eq-3-max-affordable-wireless-heating-control-with-your-smartphone-or-raspberry-pi.html

I believe that Damon mentioned in his FOSDEM talk the Q-3 products
(although my memory may be faulty).

http://video.fosdem.org/2014/previews/fosdem/fosdem_2014/dv/AW1121/2014-02-02/13_02_31.ogv
http://video.fosdem.org/2014/previews/fosdem/fosdem_2014/dv/AW1121/2014-02-02/13_27_09.ogv
http://ftp.osuosl.org/pub/fosdem//2014/AW1121/Sunday/OpenTRV_resourceconstained_computing_less_is_more.webm

My recollection is that the Q-3 Max! protocol may have been mentioned.
That's probably the first thing you'd want to learn about. The
automatedhome article links to :

http://blog.hekkers.net/tag/elv-max/

which might be a good place for you to discover more.

HTH



On 29 May 2014 12:49, Steven Daglish <EMAIL ADDRESS HIDDEN> wrote:

> Hi all,
>
>
>
> I’ve been reading about the OpenTRV project for a bit now and I’m
> interested in seeing where I can help.
>
>
>
> I’ve been wanting to do something similar myself for a while, so I’ve
> started developing my AVR programming skills. My background is in
> electronic engineering with more emphasis on control systems (I’ve done
> quite a bit of work no “cheap” hospital incubators, so have some experience
> in designing controls for heating systems).
>
>
>
> However, before potentially getting involved in this project, I’d like to
> get hold of a TRV myself and start doing some “tinkering” so I can get a
> greater understanding of how they work and how to start designing a
> centralised control system. Therefore, I’d be grateful if anyone could
> point me towards a cheap eTRV device (I’m based in the UK) that I could
> take apart without horrying too much about wasting money if I brake it. I
> found the following system which I’m looking at purchasing, but not sure if
> anyone has any experience with it:
> http://www2.westfalia.net/shops/around_the_home/heating_and_cooling/radiators_and_accessories/radiator_thermostats/637720-electronic_radiator_thermostat.htm?gclid=CjgKEAjwtZucBRD77aiiq_v4xnASJABkAg8JWBXgSX6S_EZiV_g24E7HcHxwxTQxhuIW349WnKTI-_D_BwE&art_nr=108555
>
>
>
> Really, the way I see it at the moment, I only really need a motorised TRV
> without any real controls, as I’ll be developing an AVR system to control
> the temperature, but I just can’t find one!
>
>
>
> Thanks in advance for any information.
>
>
>
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