[OpenTRV-interest] Curious about wireless

Kyle Gordon kyle at lodge.glasgownet.com
Mon Sep 14 22:12:33 BST 2015


Hey,

Many thanks for the information. Unfortunately no 868RFXCom yet, but time
will tell.

Plenty of stuff to resume my googling with.

Cheers

Kyle

On 14 September 2015 at 17:44, Alasdair Macdonald <
wewalkforonereason at gmail.com> wrote:

> The protocol is FHT:
>
> http://sourceforge.net/p/opentrv/wiki/FHT%20Protocol/
>
> http://sourceforge.net/p/opentrv/wiki/ELV%20FHT%20System/
>
> I have an RFXcom RFXtrx433 but since this is a 433 MHz device and FHT
> is 868.35 MHz, this device can't interoperate with OpenTRV / FHT. If
> your RFXcom device is 868, you should be able to use it by identifying
> OpenTRV devices as FHT devices.
>
>
> On 14 September 2015 at 17:18, Kyle Gordon <kyle at lodge.glasgownet.com>
> wrote:
> > Hey folks,
> >
> > Apologies if this has been answered elsewhere... I promise I have
> searched!
> >
> > How does the OpenTRV unit communicate with the 'brains' of the system? I
> see
> > mentions of 'wirelessly', but I've been unable to find any reference to
> the
> > technology involved.
> >
> > I have a fairly reasonable home automation system, centered around an
> RFXCom
> > transceiver and Domoticz for the control side of things. Whilst I can
> > control my heating through distributed sensors and dumb toggling of the
> > boiler state, controlling the TRVs around the house is the next logical
> > step.
> >
> > Any information you can send my way would be greatly appreciated!
> _______________________________________________
> OpenTRV-interest mailing list
> OpenTRV-interest at lists.opentrv.org.uk
> http://lists.opentrv.org.uk/listinfo/opentrv-interest
>



-- 
Kyle Gordon - 2M1DIQ
Web: http://lodge.glasgownet.com
Jabber/Email/SIP: kyle at lodge.glasgownet.com
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