Re: Fw: Stair LEDs

["Frank Mc Alinden" <frankmc@xxxxxxxxxxxxxxxx>]

Yeah ...He forgot the Emergency input ;-)) all leds on ......

Frank

----- Original Message -----
From: <ian.bird@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Thursday, March 16, 2006 8:52 PM
Subject: Re: Fw: [ukha_d] Stair LEDs


>
> So, something like:
>
> Two inputs for triggers, beam breaks or something else? Probably
normally
> high and trigger when they go low.
> Outputs for say 15 or 20 LED's. These would probably use say 100ma max
> each
> (enough for at least 3 'normal' LED's at 12v)
> Some interface for programming (buttons, serial or something?)
> User definable delay between triggering and the first LED turning on
> User definable delay between each LED turning on (same for all)
> Delay to turn off LED's if no triggers to keep them on. Go off in
reverse
> sequence to the way they went on.
> Totally autonomous in operation. Configure, turn on and forget.
>
> Anything else?
>
> Thanks
>
> Ian
>
>
>
>
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>
> ---------+---------------------------->
>                     Gareth Cook
>                     <g@xxxxxxx>
>                     Sent by:
>                     ukha_d@yahoogroup
>                     s.com
>
>
>                     16/03/2006 09:37
>                     Please respond to
>                     ukha_d
>
> ---------+---------------------------->
>
> 
>-----------------------------------------------------------------------------------------------------------------------------
>
>
>         To:       ukha_d@xxxxxxx
>
>         cc:       (bcc: Ian Bird/CV/Novartis)
>
>         Subject:  Fw: [ukha_d] Stair LEDs
>
>
> 
>-----------------------------------------------------------------------------------------------------------------------------
>
>
>
>
> Not sure what the current is for these LED's to be honest - nothing in
the
> docs that came with it. I know it's 12v ! As for computer control -
not
> for me - solid state only :-)
>
> Be nice to trigger the thing and have the lights turn on in sequence,
and
> then when told to turn off, go off in sequence.
>
> Even better if you could say ffrom which end the sequences start. So
if
> you go up the stairs, it start from the bottom, and vice versa from
> upstairs.
>
> G.
>
>
>
>
>
> Hi Gareth
>
> What would you see the specs as being?
> i.e. number of outputs, current, configurability, connectivity
(autonomous
> or computer controlled dumb thing) etc.
>
> Sounds like an interesting thing to play with when I am travelling for
> work.
>
> Ian
>
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>
> Yahoo! Groups Links
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