Re: Re: DMX Controller

["Mal Lansell" <mlansell@xxxxxxxxxxxxxx>]

There's a DMX MP3 player on Milford's site that uses that same approach -
although they use a flash memory card to store the data (probably overkill
for a few messages!).

At £250, I think I'd go for an Exstreamer instead though ;-)

Mal


----- Original Message -----
From: "Frank Mc Alinden" <fmcalind@xxxxxxx>
To: <ukha_xpl@xxxxxxx>
Sent: Wednesday, November 24, 2004 4:50 AM
Subject: Re: [ukha_xpl] Re: DMX Controller


>
> Hi Peter
>             I have posted recently mentioning using rs485 controlled
LCD,S
> and after reading your previous post this morning (Oz time) i have
been
> thinking about it and i think its possible but with limitations
......What
> my thoughts were is to create a pic based dmx lcd which has a single
comms
> port which would normally be on the dmx network but would also  have
another
> connector which would allow the user to download  Text messages usin
> xPL............The xPL App would store the list of text messages for
> reference...Once text messages are downloaded the device gets
connected to
> the dmx network and the user then can use the single byte which is
normally
> the light level to tell the unit which message to display......
>
> Frank
>
> ----- Original Message -----
> From: "Peter Chick" <peter.chick@xxxxxxx>
> To: <ukha_xpl@xxxxxxx>
> Sent: Tuesday, November 23, 2004 11:26 PM
> Subject: Re: [ukha_xpl] Re: DMX Controller
>
>
> >
> > Hmmm, oh well, bang goes that plan ;-)
> >
> > Peter
> >
> > -----Original Message-----
> > From: Mal Lansell [mailto:mlansell@xxxxxxx]
> > Sent: 23 November 2004 11:23
> > To: ukha_xpl@xxxxxxx
> > Subject: [SPAM] - Re: [SPAM] - Re: [ukha_xpl] Re: DMX Controller
- Email
> > found in subject - Email found in subject
> >
> >
> > Communication would be fairly slow - IIRC, you get around 40
updates per
> > second on each channel, so that's only 40 bytes per second.  You
would
> > probably need custom hardware too (or just an RS485 interface
with
> > software
> > DMX).  DMX is sent continuously, so the hardware we've been
talking
> > about
> > would just keep sending the same values on each channel until you
> > changed
> > it.
> >
> >
> >
> > ----- Original Message -----
> > From: "Peter Chick" <peter.chick@xxxxxxx>
> > To: <ukha_xpl@xxxxxxx>
> > Sent: Tuesday, November 23, 2004 11:18 AM
> > Subject: RE: [SPAM] - Re: [ukha_xpl] Re: DMX Controller - Email
found in
> > subject
> >
> >
> > >
> > > Hello,
> > >
> > > Question, why limit DMX to Lights and relay's? How about
interfacing
> > for
> > > example a LCD/VFD display? Maybe use a PIC to listen to one
'channel'
> > > and decode that data stream onto the display?
> > >
> > > Just set the 'channel' for the VFD/LCD display in an xPL
Application,
> > it
> > > would talk to a lower level DMX driver and that would do the
rest.
> > This
> > > way you could use ANY type of device / schema. DMX would
just be the
> > > transport layer.
> > >
> > > I like the idea of being able have multiple addressable
displays all
> > > hanging of one cable, as well as my dimmers and relays,
basically
> > > getting more use out of one cable.
> > >
> > > <IDEA>
> > >
> > > Layers would be as follows:-
> > >
> > > xPLHAL
> > >
> > > xPL-DMX-DIMMER(Control.Basic)  xPL-DMX-LCD(OSD.basic)
> > >
> > > DMX DRIVER
> > >
> > > DMX HARDWARE
> > >
> > > </IDEA>
> > >
> > > Thoughts?
> > >
> > > Peter
> > >
> > >
> > > -----Original Message-----
> > > From: Neil Frost [mailto:neil@xxxxxxx]
> > > Sent: 23 November 2004 10:27
> > > To: ukha_xpl@xxxxxxx
> > > Subject: [SPAM] - Re: [ukha_xpl] Re: DMX Controller - Email
found in
> > > subject
> > >
> > >
> > > So what can I do with it then?
> > >
> > > Neil
> > >
> > > -----Original Message-----
> > > From: "Frank Mc Alinden"<fmcalind@xxxxxxx>
> > > Sent: 23/11/04 10:19:19
> > > To: "ukha_xpl@xxxxxxx"<ukha_xpl@xxxxxxx>
> > > Subject: Re: [ukha_xpl] Re: DMX Controller
> > >
> > >
> > > Hi John
> > >
> > > > I'm up for writing the software if someone can advise
on some
> > suitable
> > > hardware.
> > >
> > > If you decide to xPL the Milford serial / dmx board  let me
know
> > please
> > > as i
> > > will order one as well as a relay board....
> > > Thanks
> > > Frank
> > >
> > > ----- Original Message -----
> > > From: "John B" <home-automation@xxxxxxx>
> > > To: <ukha_xpl@xxxxxxx>
> > > Sent: Tuesday, November 23, 2004 6:22 PM
> > > Subject: Re: [ukha_xpl] Re: DMX Controller
> > >
> > >
> > > >
> > > > Hi Frank,
> > > >
> > > > > I already has CBUS installed for lighting but i
like the idea of
> > dmx
> > > relay
> > > > > boards ,so would be good if dmx was the chosen xPL
rs485 network
> > > > > protocol....would consider purchasing some dmx kit
if one of the
> > > guys
> > > was up
> > > > > for xPLling it.........
> > > >
> > > > I'm in the same boat as you - my lighting is already
C-Bus, but
> > having
> > > some DMX relays would certainly be useful.
> > > > (and a lot cheaper than C-Bus ones!)
> > > >
> > > > I'm up for writing the software if someone can advise
on some
> > suitable
> > > hardware.
> > > >
> > > > Regards,
> > > >
> > > > John
> > > >
> > > >
> > > >
> > > >
> > > > xPL Links: http://www.xplproject.org.uk http://www.xplhal.com
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