Re: Color Kinetics Controller

["Richard Challis" <richard@xxxxxxx>]

I'm going to be putting together a circuit for connecting into a full
blown
DMX theatre controller. Got a show on in Jan that I think will be just
the
use for these. Then they will be installed in the house after prehaps
another show or two in the Summer.

I have still got to think about the interface to Kinetics 24v DMX in,
but
for interest sake here is a link showing a fairly standard opto
isolatored
(sp!) DMX input (normally a 5 pin XLR)

http://users.skynet.be/kristofnys/oldstuff/dmxbooster.pdf

Regards

Richard


----- Original Message -----
From: "Frank Mc Alinden" <armagh@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Sunday, October 13, 2002 10:12 AM
Subject: Re: [ukha_d] Color Kinetics Controller


> Hi Ian
>            
Just a thought could you not use a high speed opto to do the
> switching then you could use +5v control ??? Depends how many you need
as
> they cost around $8.00 each..
>
> Frank Mc
> ----- Original Message -----
> From: "Ian Davidson" <ian@xxxxxxx>
> To: "HA Yahoo group UK" <ukha_d@xxxxxxx>
> Sent: Sunday, October 13, 2002 6:58 PM
> Subject: [ukha_d] Color Kinetics Controller
>
>
> > Hi All
> >
> > OK. The controller has not moved far yet. I have a very basic
working
unit
> but to test it I modified one of the lights to accept 0 to 5V
switching.
The
> last thing anyone wants is to take all there lights apart and swap
some
> surface mount components. So I'm currently sorting out the electronics
to
> control unmodified units. They need high speed switching transistors.
The
> data pulses are 4 micro seconds in length and need to switch to
+24V.
> Standard general purpose transistors have switch on/off times of a
few
> microseconds and do not work. If I don't have any suitable
transistors
I'll
> order some tomorrow and try them out Tuesday night. I should get a
couple
of
> hours tonight so I'll try to do some more work on the software. I
just
> thought I would keep people informed as I've been to busy over these
last
> few days to post.
> >
> > Ian D
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> > http://www.automatedhome.co.uk
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