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Thread: Range extender desperately needed.

  1. #51
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    Quote Originally Posted by bruce_miranda View Post
    WiFi is fine if the device is powered. RF is best if battery powered. The advantage of PoE is that you don't need a power socket near the end point.
    ...err WiFi is RF!

  2. #52
    Automated Home Legend paulockenden's Avatar
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    Quote Originally Posted by Edinburgh2000 View Post
    I know this comment is a bit inflammatory but why is the industry now so obsessed with everything being wireless?
    Because it's easy and, in general, it works.

    It'd be VERY clunky to have an ethernet port in the skirting board next to every radiator, and a wire connected to the rad valve. That might have been acceptable in the 1990s (when I first saw a system that worked like that), but not in 2017.

    P.

  3. #53
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    I didn't notice the micro-usb socket on the HR92 until I saw this thread. Obviously, it could be for a number of uses such as firmware updates, supplying power to avoid batteries, additional sensors, hardwiring and more...

    I assume, from the discussion, that no one has analysed it?

  4. #54
    Automated Home Legend paulockenden's Avatar
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    It's documented. I don’t think it's wired as USB, so couldn’t be used for firmware. ACS90 cable and HCA30 window contact.

  5. #55
    Automated Home Legend paulockenden's Avatar
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    It also supports a remote temperature sensor, although this isnít documented in the HR92 manual.
    63DD939C-8AC5-4C92-B41B-1BB3DDB4BD12.jpg

  6. #56
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    The window sensor is a simple switch between Pin5 GND (black) & Pin3 D+ (green)

  7. #57
    Automated Home Legend paulockenden's Avatar
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    And the RF20 external heat sensor (good luck finding one) between white and black.

  8. #58
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    https://www.oeg.net/en/remote-sensor-rf-20-211400002

    Imagine how ugly this install would look with a wired room stat.

  9. #59
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    Quote Originally Posted by bruce_miranda View Post
    https://www.oeg.net/en/remote-sensor-rf-20-211400002

    Imagine how ugly this install would look with a wired room stat.
    I just noticed the price... err... it turns out to be a 20 KOhm NTC plus some plastic box...

  10. #60
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    so coming back to the solution ... as one of my HR92 is also not communicating as it should with my Evotouch, I can plug a simple USB cable to the HR92 and it should improve the communication ?
    Someone tried and confirm it saw a difference ?

    Many Thanks !

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