Re: Re: 2012 and still no perfect UK HA light switch solution?

[Ant Skelton <blowback@xxxxxxxxx>]

Zigbee? *so* last decade. 6LoWPAN baby!

http://db.tt/GrJIm9Ac

Ant

On 15 Aug 2012, at 09:01, Phil Harris <phil@xxxxxxx> wrote:

> Pfft! I'm still trying to find Zigbee kit over here! :-(
>
> Phil
>
>> -----Original Message-----
>> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
>> Of marcrfuller
>> Sent: 15 August 2012 08:55
>> To: ukha_d@xxxxxxx
>> Subject: [ukha_d] Re: 2012 and still no perfect UK HA light switch
>> solution?
>>
>> For me that reason would be confirmation.
>>
>> Imagine Z-Wave was not two way. Send an ON command to a light. Did
that
>> metal pan you moved at lunchtime now blocked that Z-Wave signal,
is the
>> light actually on?
>>
>> It you have two way comms and the unit sends back a confirmation,
you
>> know it is (Well, unless the bulb has blown :D)
>>
>> For me two way comms is not about 'seeing the state of the system'
at
>> any one point. It's about confirmation that the action has been
carried
>> out. An unreliable system can never be trusted to do it's job,
which
>> makes it all kinda pointless.
>>
>> Cheers
>>
>> Marc
>>
>>
>> --- In ukha_d@xxxxxxx, "Stuart Billinghurst"
<stuart@...>
>> wrote:
>>>
>>> But why is a current state of every light needed in an install
from a
>>> function point of view not aesthetic that's a different thing
>>> entirely, because I toyed with this concept for long time as I
>> started
>>> to design of my own systems, and came to the conclusion that
the only
>>> time I needed to really know the status was if I wanted to act
upon
>>> it, so I only need to know a light is on, if for instance I
wish to
>>> turn it off, but if I don't know it's status and then send an
off, I
>>> know it's off even if it was off before (I hope this makes
sense) in
>>> which case two way is just an aesthetic consideration, unless
I have
>> missed a functional need somewhere?
>>>
>>>
>>>
>>> Stuart.
>>>
>>>
>>>
>>> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On
>> Behalf
>>> Of Mark J Cox
>>> Sent: 14 August 2012 19:35
>>> To: ukha_d@xxxxxxx
>>> Subject: Re: [ukha_d] 2012 and still no perfect UK HA light
switch
>> solution?
>>>
>>>
>>>
>>>
>>>
>>> On Tue, Aug 14, 2012 at 6:37 PM, Stuart Billinghurst <
stuart@...
>>> <mailto:stuart%40billinghursts.com>
> wrote:
>>>
>>>> Odd question, and humour me... but why do you need 2 way
comms?
>>>>
>>>
>>> So you can tell what state each switch is in even if it has
been
>>> locally changed (i.e. you can have a display of the state of
all the
>> lights).
>>> LightwaveRF
>>> looked promising for a while (inexpensive, nice looking, even
if not
>>> zwave) but failed this.
>>>
>>> Mark
>>>
>>> [Non-text portions of this message have been removed]
>>>
>>>
>>>
>>>
>>>
>>> [Non-text portions of this message have been removed]
>>>
>>
>>
>>
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