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Vintage LED wall
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waurma View Drop Down
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    Posted: 05 March 2013 at 5:24pm
Hey Lads, 
I was in a club in Poland last weekend and came across this really cool effect akin to an LED wall but it was in fact made with normal Edison style light bulbs! 

the thing that made it really cool for me is that the lights were controllable, they had patterns going across the wall like a LED wall would do, excuse my ignorance but is there an easy way of doing this with normal light fittings? I would love to use something similar myself! 
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norty303 View Drop Down
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Points: 8800 		Post Options Post Options   Thanks (0) Thanks(0)   Quote norty303 Quote  Post ReplyReply Direct Link To This Post Posted: 05 March 2013 at 6:02pm
Each lamp will be on a dimmer.
You simply use a DMX matrix controller to play the patterns.
Most desks/software these days has some way to program matrices intuitively.
The problem is that the number of dimmer channels required increases exponentially as the matrix grows, but in your favour, you only need 1 channel per 'pixel' rather than 3 for an RGB LED
My laser stuff: Frikkin Lasers
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waurma View Drop Down
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Points: 208 		Post Options Post Options   Thanks (0) Thanks(0)   Quote waurma Quote  Post ReplyReply Direct Link To This Post Posted: 05 March 2013 at 7:26pm
so if I attached a dimmer to the back of each light fitting and rigged it up to something like chamsys it should all work fine?

(excuse my noobness!)
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woody2 View Drop Down
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no need for dimmers etc. use a festoon and run dmx down the mains
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waurma View Drop Down
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Points: 208 		Post Options Post Options   Thanks (0) Thanks(0)   Quote waurma Quote  Post ReplyReply Direct Link To This Post Posted: 05 March 2013 at 9:22pm
Originally posted by woody2 woody2 wrote:

no need for dimmers etc. use a festoon and run dmx down the mains


Go on...?
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have a look here


http://www.glassonelectronics.co.uk/
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waurma View Drop Down
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Points: 208 		Post Options Post Options   Thanks (0) Thanks(0)   Quote waurma Quote  Post ReplyReply Direct Link To This Post Posted: 06 March 2013 at 12:51am
Legen-wait for it-dary!
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Showtec matrixsunstrip active

Showtec matrix and sunstrips do this really well, you can get very nice subtle low level tungstan colours from them that you'll never get from any led fixture.
blah blah blah blah blah......
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APW View Drop Down
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Points: 1234 		Post Options Post Options   Thanks (0) Thanks(0)   Quote APW Quote  Post ReplyReply Direct Link To This Post Posted: 06 March 2013 at 12:12pm
Back in the day (Mid 80s) I had a controller for driving matrix walls and dance floors "Saturday night fever' style.

Inside the controller it had two banks of triacs, one bank would switch the lives (Phase) driving the matrix columns the other bank would switch the neutrals driving the rows, each lamp would have a diode in series and each lamp/diode was wired across a column and row as you would with an LED matrix (but with switched mains!!). This way 8 wires (4 rows & 4 Cols) would drive 16 lamps, 10 wires drives 25 lamps etc.

I cannot remember what make or model the controller was however It worked well and the matrix looked real cool, plus as each lamp had a diode in series they lasted forever….. although they flickered slightly.  


Edited by APW - 06 March 2013 at 1:43pm
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woody2 View Drop Down
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Originally posted by APW APW wrote:

Back in the day (Mid 80s) I had a controller for driving matrix walls and dance floors "Saturday night fever' style.

Inside the controller it had two banks of triacs, one bank would switch the lives (Phase) driving the matrix columns the other bank would switch the neutrals driving the rows, each lamp would have a diode in series and each lamp/diode was wired across a column and row as you would with an LED matrix (but with switched mains!!). This way 8 wires (4 rows & 4 Cols) would drive 16 lamps, 10 wires drives 25 lamps etc.

I cannot remember what make or model the controller was however It worked well and the matrix looked real cool, plus as each lamp had a diode in series they lasted forever….. although they flickered slightly.  


both mode and pulsar made matix controllers

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imageoven View Drop Down
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Points: 2199 		Post Options Post Options   Thanks (0) Thanks(0)   Quote imageoven Quote  Post ReplyReply Direct Link To This Post Posted: 06 March 2013 at 10:01pm
I've got a mode matrix unit in the store, I was looking at it last night trying to bring myself to chuck it, the chances of me ever doing anything with it are very slim, especially as I seem to remember that it needs some kind of repair as well as a whole load of lamps to drive... so if anyones keen...
Keep pushing on, things are gonna get better.
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