Re: Motion Sensors

["graham_howe" <graham@xxxxxxx>]

--- In ukha_d@y..., "Tony T" <tonyt@t...> wrote:
> > I may dismantle it and see if I can make it shorter.
> >
> > Will let you know how I get on with the motionbar.
> 
> Graham,
> 
> Got the motionbar this morning. Haven't got time to play with it 
today, but
> have dismantled it.
> The led's are all connected onto long pcb's, so not much scope for
> shortening them. Probably wouldnt work properly at a shorter 
distance
> between led's anyway.
> 
Yeah, I guessed there must be a reason for the size and the fact 
that there are four led's, it must be a reliability thing.

> Fortunately I have a use for this 1 bar. But won't be buying 
anymore as,
> even if I had more doors sutiable for fitting them, they are too 
expensive
> and would look pretty ugly.
> 
If they were smaller then I would consider sinking them into the 
door frame so that only the led's are visible.

> Plan B. Have also just got a couple of under carpet (I hope!) 
pressure mats.
> Am going to experiment with these, one either side of door 
opening. They are
> much cheaper and invisible (again, I hope).
> 
I did think about this, but for me there are a few concerns.

1. I can't lay carpet, if I lift a carpet it never seems to look 
exactly right when it goes back down.

2. People, especially kids, will often stand or sit right in front 
of the doorway and therefore would be continuously on the mat.

3. Would it be possible to step over the mat (I don''t know how big 
they are)

> I think I'm going to need more VIOM/SOM modules (or similar) if I 
end up
> needing to control:
> a) pressure mats
> b) lighting (by attaching to ld/ad modules)
> c) speaker switcher (if this works out)
> d) some other stuff
> Luckily I've got 9 serial ports at the moment, but may need to add
another 8
> at this rate...
> 
I was hoping to do everything through Homevision and Comfort so 
would use the inputs on those rather than direct PV connection.

Graham

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