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  1. I've not had to navigate this problem, but I've...

    I've not had to navigate this problem, but I've seen that others have helpfully gone as far as creating a new email account e.g. gmail for the property and then transferring the system(s) to the new...
  2. Hi, I have the Glow Worm Ultracom2 30SXI and I...

    Hi,

    I have the Glow Worm Ultracom2 30SXI and I decided to try to upgrade to Opentherm based upon the fact that it appears to be an identical boiler to the AWB ThermoElegance 4 and the AWB...
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    Hi, Definitely the controller display. I'm not...

    Hi,

    Definitely the controller display. I'm not 100% sure about the temp displayed on the HR92s in this set-up, but I think it will also reflect the temp measured by the master.

    Dan
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    Hi, The 'No Sync' usually indicates that they...

    Hi,

    The 'No Sync' usually indicates that they aren't receiving messages from the controller. If you haven't made any recent changes to your set-up, I'd try moving the controller into the same...
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    Hi, I've now published a couple of Python...

    Hi,

    I've now published a couple of Python scripts which perform a backup and restore of the schedules to/from a text file using a serial device. This might be useful if you want to perform bulk...
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    Here's the link to PetePs firmware...

    Here's the link to PetePs firmware https://github.com/ghoti57/evofw2/tree/fifo. CC1101.c contains all the CC1101 configuration stuff. I can't really help with how to port this to an ESP8266 though...
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    The center frequency is one of the many CC1101...

    The center frequency is one of the many CC1101 parameters that are dynamically configurable via the connected MCU. A simplified summary is that the MCU sends these configuration parameters to the...
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    Hi, I've not used the ESP8266 with the CC1101,...

    Hi,

    I've not used the ESP8266 with the CC1101, but here's a link to someone's set-up which gives a helpful pin-out for the connections required:...
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    I do think it's worth trying something like a...

    I do think it's worth trying something like a lithium spray grease on the inner teeth of the main gear which sits on the TRV body and is separate from the HR92 to see if this reduces/alters the sound...
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    Hi, I think the answer is 'it depends'. Do...

    Hi,

    I think the answer is 'it depends'. Do you already have two valves in your system (one for hot water and the other for the central heating circuit)? If so, then you can use a set-up with a...
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    Nice graphs Paul :). PS I've recently added...

    Nice graphs Paul :).

    PS I've recently added the OT Bridge to my Evohome set-up and been able to properly test out the Domoticz Evohome code for this device. I've made a small fix to the code to...
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    I'm not quite sure why, but my experience with...

    I'm not quite sure why, but my experience with fitting Evohome seems pretty consistent with the extremes of the conclusions from the study. I fitted Evohome about 3 years ago in my 5 bed 1930s house...
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    Excellent! Thanks for highlighting that piece of...

    Excellent! Thanks for highlighting that piece of information, it was exactly what I was trying to track down.
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    Hi dty, It certainly looks like the R8810A...

    Hi dty,

    It certainly looks like the R8810A Opentherm bridge supports the binding of multiple controllers based upon its installation guide, but unfortunately I can't locate any reference...
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    My experience from both swapping HR92s between...

    My experience from both swapping HR92s between zones (without any deletion or re-binding, just zone renaming) and other alterations (valve replacement, radiator bleeding and a powerflush) has been...
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    I play around a lot with injecting commands into...

    I play around a lot with injecting commands into my Evohome systems via Domoticz and also directly as part of my of my ongoing work on the Domoticz code, fixing bugs and adding additional...
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    Unfortunately no, not within Domoticz. This is...

    Unfortunately no, not within Domoticz. This is one of its limitations and there's only the standard graphs you've described. You have to export the data into another package if you want create your...
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    Excellent! I hope my suggestion to try out the...

    Excellent! I hope my suggestion to try out the Python listener stuff didn't waste too much of your time. I still haven't found time to have a look at the dty's Node-RED Evohome implementation. I'm...
  19. I agree. DBMandrake's advice should definitely...

    I agree. DBMandrake's advice should definitely be one for Honeywell to add to an Evohome controller UI Hints and Tips list on their site. I've avoided messing with the devices across my system for...
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    If you're going to set-up Domoticz you'll...

    If you're going to set-up Domoticz you'll probably not need the python stuff. Have you seen the Domoticz MQTT wiki https://www.domoticz.com/wiki/MQTT?
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    Yes, it is a bit pot-luck with the low-cost...

    Yes, it is a bit pot-luck with the low-cost CC1101 devices. I was lucky with my first purchase which was a 2 device purchased directly via an Ebay seller in China and an 868MHz device turned up. I...
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    I'm only using 868MHz antennae and also CC1101s...

    I'm only using 868MHz antennae and also CC1101s boards marked as 868MHz as I'd assumed (maybe wrongly) that the antenna circuit was tuned for the specific frequency, but it looks like you're...
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    The battery levels are another item which is not...

    The battery levels are another item which is not supported by the web API and is only available if monitoring using a HGI80 or similar type USB device.
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    Hi Stuart. The only one that I've come across...

    Hi Stuart.

    The only one that I've come across which links Evohome wireless message decoding to an MQTT broker is https://github.com/smar000/evohome-Listener. It look like a great piece of work...
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    Hi Dave, Sorry, I should have been clearer in...

    Hi Dave,

    Sorry, I should have been clearer in my previous reply. The web API documentation is available and extensive details are available to developers and the majority of the functionality is...
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