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<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by RDNZL</i> <br /><blockquote id="quote"><font size="1" face="Verdana, ...

Hehe OK I understand, I know person who collects stamps is called a philatelist, not sure what a person who collects any numbers is called?
Anyway here is some more data to add to your collection 0,25,1,14,0,25,1,17,0,25,1,16,0,25,1,24.

Phil

Then seriously buy an OpenTherm thermostat that will display the information that you want to see. But I fail to really see "why" that info: temperature of the water, speed of the fan, Water pressure etc is needed. The only ones that could be useful is the temperature drop across the flow ...

Not sure I understand what you are trying to achieve, I presumed that you wanted to remotely alter the room/house temperature? By modifying a dial type thermostat as detailed in http://www.picbasic.nl/thermostaat_nefit.htm by replacing the existing thermostat pot with a programmable pot is in theory...

I just had a look at the post: nefit: http://www.picbasic.nl/thermostaat_nefit.htm alternatief? // Erik (binkey.nl) and it looks quirky but it should work !! I think it would be simpler to use with the Danfoss ORT10 if you need an LCD version or if not the Danfoss ORT01. This gets over the need to m...

The protocol is difficult I agree, but that's why it's tailored for the manufacturers of thermostats & boilers to implement. Controlling the temperature in a home or room is not as easy as most people think. We have come a long way from the days of switch it on when we are below the demand tempe...

It's not easy to do those things even if you have a lot of experience. 1) The set room temperature is a value that the thermostat is using internally to adjust the boiler output, therefore just sending a "set room temp" command to the boiler is utterly useless. The boiler has no idea what ...

The spec is very old and only a part of what would be needed. Being an OpenTherm designer (as well as a past member of the OpenTherm Technical committee) I fail to see that trying to home brew an OpenTherm control system is a wise or even fruitful thing to do. Having spent quite a few years (over 25...