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  1. The SD card I am including has the latest Armbian...

    The SD card I am including has the latest Armbian Bonic OS rather than the very old OS that the original seller links to. This is a completely put together working set-up. So it's literally plug in...
  2. No interest in this?

    No interest in this?
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    Sorry to ask, but why not use the Heating Off...

    Sorry to ask, but why not use the Heating Off button, which is also one click? Is it the HW cycle that you are trying to avoid? Also depending on your pipe runs, 5C detected in a room may not be high...
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    Isnt Away set to 5C, the same as Off?

    Isnt Away set to 5C, the same as Off?
  5. I might have just sold it, sorry about that....

    I might have just sold it, sorry about that. However based on the description of what you are trying to do you need nothing special at all. You should be able to push setpoint and schedule changes...
  6. RFBee + UARTBee which behaves like an HGI80 for monitoring Evohome

    Trying to cut down on some of my gear.

    Anyone interested in an RFBee + UARTBee that can be used like the HGI80 on Domoticz to monitor Evohome. I will load the required firmware and can even...
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    Smartify a non smart gas meter

    In the past I've put together projects that would count the revolutions on my gas meter needle and counted them to give me a remote view of my gas meter. However more recently I've gone rather low...
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    I have an RFBee with a UARTBee, that I can load...

    I have an RFBee with a UARTBee, that I can load up with the required firmware to give you want the HGI80 would. Interested?
  9. Opentherm Gateway, complete with configured OrangePi

    I had bought an Opentherm Gateway which was sold as a daughter board for an Orange Pi. It sat unused for a few months. Recently I tested it out and it works fine. But I don't think I will use it in...
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    Do what I did. Put in a normally closed valve and...

    Do what I did. Put in a normally closed valve and make it open with the Pump. That way you can have any configuration you want. This method even deals with Pump overrun, Frost protection etc
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    A different valve just because of OT? That's...

    A different valve just because of OT? That's interesting.
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    I know, you shouldn't need to do this, but, do...

    I know, you shouldn't need to do this, but, do you want to try soldering a double battery holder directly to the PCB and see if that helps.
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    I have only ever had OT on my Vaillant. I never...

    I have only ever had OT on my Vaillant. I never used Evohome with a BDR91 boiler demand. So I have nothing to compare against. But the fact that I see low Target Flow temperatures when all my zones...
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    there is no problem with the OT Bridge itself....

    there is no problem with the OT Bridge itself. It's just that the DIY radio interfaces have the most problems with messages sent out by the OT Bridge. Having said that the success rate is quite high,...
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    maybe a question to ask and get feedback on, is...

    maybe a question to ask and get feedback on, is how many are using the Strap On sensor and having issues. I am using the insertion sensor and it's been fine. I used to get the occasional comms lost...
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    mine used to be 60c and 10, recently I moved it...

    mine used to be 60c and 10, recently I moved it to 55 and 10, to do some testing. No issues with both settings.
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    I hear all this talk about Evohome eating...

    I hear all this talk about Evohome eating batteries but I have a system will all HR80s and I don't have any of these issues. A pair of AAs alkalines will last me well over 3 years in all my devices....
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    At the moment, if I had to recommend another RF...

    At the moment, if I had to recommend another RF capture device it would have to be the NanoCUL or an RFBee. You will have to load some custom firmware on it, which a few of us are developing. If you...
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    I plan to use a "TPS7A4700 Low Noise RF Power...

    I plan to use a "TPS7A4700 Low Noise RF Power Module" which is a massive overkill for the job. Just need to work out if I wire this in permanently or I use the battery eliminator style blanks.
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    you dont need the actual zone valve. You just...

    you dont need the actual zone valve. You just need to configure Evohome to think you have a CH and DHW zone valves and then you use the BDR91s to fire the boiler.
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    To be fair to Honeywell, their HGI80 is meant to...

    To be fair to Honeywell, their HGI80 is meant to be the way approved 3rd parties integrate with Evohome. The Web API is actually not approved but they can't stop it.
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    I am trying something else. I have the PSU for my...

    I am trying something else. I have the PSU for my evohome wall mount housed quite close to the HW sensor. So I plan to run a 3.3V low ripple voltage regulator straight into the HW sensor. That should...
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    With the nefit converter are you able to see...

    With the nefit converter are you able to see variable Target Flows being set for the boiler based on OT? Because the work around which I previously used when I too couldn't get my Vaillant to fire...
  24. I can help with some of this. On my Vaillant too...

    I can help with some of this. On my Vaillant too I see CH Water Pressure as 25.5 from my Vaillant with a VR33 (eBus to OT converter). I thought that was odd, but that is exactly what both the OTB and...
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    If you were using an HGI80 or similar then under...

    If you were using an HGI80 or similar then under the Switches Tab you would see at least 2 relays called CH Valve and Boiler. These track the Heat Demand that is being sent to the BDR91. This isn't...
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