[OpenTRV-dev] Wireless boiler control

Tue May 14 09:17:18 BST 2013

Goodness, well done!

Rgds

Damon

On 14 May 2013, at 09:03, Mike Stirling wrote:

> Hi All,
> 
> Just in case anyone else is thinking along the same lines, I can now control my boiler by emulating my off-the-shelf wireless thermostat.  The 'stat communicates on 434 MHz, but the 868 MHz RFM23 works well enough down there to get a signal out (the main issue is that the rx becomes unusably noisy).
> 
> I am not going to publish details of this hack because I do not wish to reduce its woefully inadequate level of security any further!  However, if anyone else is hoping to do something similar then feel free to contact me in private.
> 
> Further down the line I expect I will build a custom boiler switch to avoid having to support multiple RF protocols, and possibly to include eBUS and OpenTherm ports.
> 
> Mike
> 
>  
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