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Is there better stuff than X10?

Discussion in 'Electronic Design' started by Joerg, Jul 19, 2008.

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  1. Joerg

    Joerg Guest

    Is there anything better than this cheesy X10 stuff, something that is
    _not_ RF based like zigbee would be, and still affordable? The X10
    protocol is not good and the modules are IMHO utter junk.
  2. Nico Coesel

    Nico Coesel Guest

    A company called Eaton Holec has developed the A10 protocol based on
    the X10 protocol. See for some
  3. Joerg

    Joerg Guest

  4. Joerg

    Joerg Guest

    Pretty horrible web site but interesting. However, it looks like 230V
    only and not sold in the US :-(
  5. Guest

  6. Joerg

    Joerg Guest

    I've only seen patents from them. But if I have to roll my own wusing
    some specialty chip I'd rather do it from scratch, MSP430 or PSoC. I
    don't have a lot of trust in powerline comms companies anymore.
  7. Joerg

    Joerg Guest

    RF in this house is going to be a nightmare. The builders wanted to be
    extra good and insulated all inner walls with aluminum backed fiber.
    Anything past a few hundred MHz doesn't get any range here.

    Which means you have to have repeaters and they must be on circuits that
    are always powered.

    Personally I don't trust the company behind it anymore. They sold timers
    which always failed in the same way and then refused to sell the simple
    plastic gear to fix them. They didn't even answer multiple inquiries.
    That gets rewarded with a loooong ban in this house ;-)
  8. Joerg

    Joerg Guest

    In this super RF-tight house that would translate into maybe 15m indoors
    and outdoors only if there is a window more or less directly in the
    path. Abover 433MHz it gets really bad.

    Plus I don't want any Intermatic products.

    The other thing that puzzles me: The EPA and all kinds of agencies push
    CFL yet most of these home automation guys don't seem to get it. They
    still sell dimmer modules that cannot be turned into a non-dim CFL
    compatible mode.
  9. Joerg

    Joerg Guest

    Could be tough here. The boxes are metal and then there is another layer
    of aluminum-backed fiber behind them that you could only rip out by
    busting through the drywall. That methods has a very low WAF ;-)

    I've had that: Transmitter in the office, other side in the kitchen next
    to it. No signal :-(

    Yep, like one chip mfg that starts with "M" ...

    Very few. The powers to be in that market simply don't seem to realize
    where the trend goes. And the liability that comes with it should uncle
    Leroy climb on that old ladder and screw a CFL into the socket where he
    technically shouldn't.
  10. Joerg

    Joerg Guest

    The 2nd one :)

    At least I am not using their stuff, seen too much grief WRT unobtanium
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