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Kev7274
12-16-2014, 11:21 PM
I think I have decided to do a pixel matrix next year and wanted to see what designs,materials,etc that you guys used. I plan on putting it on the front windows of the house which is 48"w x 54"h. I looked at some offerings that are already made,but they are to small for my needs.Ideas and suggestions are appreciated.Thanks

derekbackus
12-17-2014, 08:06 AM
I built a 50x25 pixel matrix with about 1.3" spacing. This makes it about 65"W X 32.5"T. All driven by an E6804 (500 pixels per output)

I used 5050 strips but am not happy with the output.

They look FANTASTIC when using solid colors with text -- I also do some Nutcracker effects with text overlapping that look great. Pictures, however, seem impossible to get to look nice. If they are red, green and blue pictures -- or single color pictures they look nice. As an example, I put Olaf on the matrix and he looked like a white blob. I played with the dimming curve in Vixen, which helped, but I still couldn't get it to look even acceptable. It could be my lack of knowledge regarding color mixing.

Anyway, I love the matrix. I use it to send messages to viewers that have sent a text message to my show but I ran into limitations that you may want to consider.

Electrified3
12-17-2014, 10:15 AM
I would start with what do you want to display and how much money you want to spend first.

If you want video and so forth then you will need a high density matrix, I have been using 60LED/M strips for these with some great results. The one I built was pretty intense, 90 rows x 216 long, so almost 20,000 pixels, used 12 E682's and 24 power supplies. The drawback is cost for the strips and controls. Here is the latest one I built: https://vimeo.com/113173429

I had tried with strips 30 LED/M but to produce video it is difficult, not enough density. I tried using bullets on a 1" x 1" grid, difficult to control intensity, requires a significant amount of power and started to get costly.

In the end for myself using the polycarbonate panels with 16mm spacing and pulling 60 LED/M strips into it worked out best for what I wanted to do.

So, I would start with what is the end result you are looking for and your budget, then start looking at options from there. If just using text and simple effects a lower density matrix will work fine.

Jasonseither
12-22-2014, 06:08 PM
What are you using to program the E682's this is exactly what I am looking to do for next Christmas, but at about 16' long and 4' high. Any suggestions?

kartingted
12-22-2014, 06:15 PM
Check out the Johnson family light show on YouTube he has a vid how he made his. Also check his post in the how to's

Jasonseither
12-22-2014, 10:59 PM
Yea I saw that, but I wanted a much more higher density display to be able to play videos on it. The johnsons are also using LOR and I am using Vixen

Electrified3
12-22-2014, 11:13 PM
In mine I used XLights for the sequencing, was very easy to work with.

Kev7274
12-23-2014, 12:23 AM
Don't think I want to do any sort of video,but that looks cool. Then again,who knows.
I'm thinking of using Matts design and just adjusting the size to fit my needs. Seems simple enough.

CJ Morin
12-23-2014, 01:05 AM
Yea I saw that, but I wanted a much more higher density display to be able to play videos on it. The johnsons are also using LOR and I am using Vixen

He uses Vixen 3 and the Falcon Pi Player

Do It Yourself Christmas Post (http://doityourselfchristmas.com/forums/showthread.php?35968-Behind-the-Scenes-of-the-Johnson-Family-Light-Show-(with-beginner-explanations)&p=353623#post353623)

Falcon Christmas Post (http://falconchristmas.com/forum/index.php/topic,1923.msg20262.html#msg20262)

thebaronn
12-23-2014, 04:10 AM
CORO!!!! + Square Pixels!!!!! Easy Peasy!!

I love the stuff. I used it in my 2012 rectangular Matrix (http://doityourselfchristmas.com/forums/showthread.php?25177-3840-Pixel-Matrix-information)
And in my 2013 Clock Tower Matrix (http://doityourselfchristmas.com/forums/showthread.php?28988-25-Clock-Tower-prop!-20-DMX-Universes-3k-Pixels)

Jasonseither
12-23-2014, 11:50 AM
what is Coro? Is that Coral? I was going to use either 2801 or 2811 pixels with either Vixen or xLights for the videos. I want some decent resolution as I would like to put photos up of the kids faces and also small clips of video.

DrNeutron
12-23-2014, 12:05 PM
Coro is short for Coroflute. It is the same plastic used to make signs and such. Used quite a bit in our hobby....

Jasonseither
12-23-2014, 12:13 PM
Oh I thought you were talking about software, DUH!!! I have never heard of Coroflute before, I will look into that. I am just starting to get the addiction for lighting effects. I have always had a static light display until this year, and now I am constantly in trouble for messes and shopping to add more :)

Kev7274
12-24-2014, 12:01 AM
Hmmmm. This does look easy. I wouldn't need 5 sections since I'm only doing one 48"x54" window. So i would basically need one 4"x8" piece of coro and the pegboard. Finding black coro around here is the hard part. How think was the coro? 2mm,4mm,etc?


CORO!!!! + Square Pixels!!!!! Easy Peasy!!

I love the stuff. I used it in my 2012 rectangular Matrix (http://doityourselfchristmas.com/forums/showthread.php?25177-3840-Pixel-Matrix-information)
And in my 2013 Clock Tower Matrix (http://doityourselfchristmas.com/forums/showthread.php?28988-25-Clock-Tower-prop!-20-DMX-Universes-3k-Pixels)

Micromutt
12-24-2014, 12:10 AM
Finding black coro around here is the hard part. How think was the coro? 2mm,4mm,etc?

I didn't know it until today but apparently Home Depot Online carries Black sheets.

http://www.homedepot.com/p/Unbranded-48-in-x-96-in-x-0-157-in-Black-Corrugated-Plastic-Sheet-10-Pack-COR4896-BK/205051024

joeengler
12-24-2014, 12:20 AM
I would love to see some construction photos if you have any. Plus some photos of it built....sorry if I missed them already


Sent from my iPad using Tapatalk HD

thebaronn
12-24-2014, 05:09 AM
Hmmmm. This does look easy. I wouldn't need 5 sections since I'm only doing one 48"x54" window. So i would basically need one 4"x8" piece of coro and the pegboard. Finding black coro around here is the hard part. How think was the coro? 2mm,4mm,etc?

Excellent question! I think it is .157 inches thick. This is the coro i use now: http://www.homedepot.com/p/Unbranded-48-in-x-96-in-x-157-in-White-Corrugated-Plastic-Cardboard-10-PACK-WC4896-10/202489118

It is bittersweet, before they had the black/white coro (one side black, one side white) but they would not ship to store, so I was resigned to purchasing it only when they did free shipping deals (sent by freight, ugh). Now it is all white and they will ship to store for free, so....

The hardest part was pushing the pixels in, but they stay there, no glue.

thebaronn
12-24-2014, 05:16 AM
I would love to see some construction photos if you have any. Plus some photos of it built....sorry if I missed them already


Sent from my iPad using Tapatalk HD

If this was for me, here you go.

Regtangular matrix (https://www.facebook.com/happyholidayhome/photos_stream?tab=photos_albums)
Clock Tower (https://www.facebook.com/media/set/?set=a.656156941082376.1073741825.323555271009213&type=3)

Kev7274
12-24-2014, 08:27 AM
Do you paint it black now? or was that when you could get the white/black?


Excellent question! I think it is .157 inches thick. This is the coro i use now: http://www.homedepot.com/p/Unbranded-48-in-x-96-in-x-157-in-White-Corrugated-Plastic-Cardboard-10-PACK-WC4896-10/202489118

It is bittersweet, before they had the black/white coro (one side black, one side white) but they would not ship to store, so I was resigned to purchasing it only when they did free shipping deals (sent by freight, ugh). Now it is all white and they will ship to store for free, so....

The hardest part was pushing the pixels in, but they stay there, no glue.

Boof63
12-24-2014, 08:49 AM
made a matrix 20 strips x 75 pixel , ink1003, 12 volt, 2 power supplies 1 x advatek pixlite 4 to drive it as well as HLS
Has frozen running on it, a little blocky if straight in front but better at an angle (closes pixel spacing)
spacing is 30mm x 30mm, from road it looks ok, approx 20 - 25 metres away from matrix.
Made of two square frames- metal and square 20mm mesh and zip tied to mesh.
stood up to rain and heavy winds
hope this helps cheers
Boof63

thebaronn
12-25-2014, 12:42 AM
Do you paint it black now? or was that when you could get the white/black?

That stuff was from 2012 and 2013 when I could get the black coro with ease. Now? I don't know what I would do. I mean paint sticks pretty good to coro, but its hard to say if it would stay on nice and neat after pressing all the pixels through.

I did not use any pixels for new stuff, I pretty much stayed away from them this year. But I did paint a lot of coro this year and after the wind taking down the majority of the display, I put it right back up and didn't have to touch up anything, so my hopes are high for whatever I do next year.

Kev7274
12-30-2014, 04:43 PM
I did some numbers as to how many pixels strings I would need and come up with the following number.Let me know if I am adding it up wrong.

Size: 48" x 54"
Pixels per row(2" center): 24
Rows:54
24 x 54=1296 pixels
1296 divided by 50 pixels per string= 25.92 strings

Is this right? Thanks

thebaronn
12-30-2014, 10:39 PM
I did some numbers as to how many pixels strings I would need and come up with the following number.Let me know if I am adding it up wrong.

Size: 48" x 54"
Pixels per row(2" center): 24
Rows:54
24 x 54=1296 pixels
1296 divided by 50 pixels per string= 25.92 strings

Is this right? Thanks

I think that if u go 2" spacing on one axis, you should use the same spacing on the other axis.

From my experience 2" looked good from the opposit side of the street, but from the close side of the street, not so much.

Kev7274
12-30-2014, 11:04 PM
so go 2" left to right (48") and 2" top to bottom (54") ?
So im every other hole left to right and top to bottom?
That would give me 24 across and 27 down?

24x27=648 divided by 50 pixels per string=12.96 strings?

Electrified3
12-31-2014, 04:06 PM
Keeping it somewhat linear x to y is a good thing, so if 2" wide go 2" tall, if you go 1" wide go 1" tall.

May I suggest you go 1 1/2" spacing both x and y, 32 pixels wide (48") x 36 rows tall (54") gives you the same 1296 pixels but linear both x and y and gives you the dimension you quoted?

1 1/2" works very well for that kind of setup, not going to be video quality but will look good for effects, text etc. But will throw another one at you, instead of using standard pixels, use strips, 30/M and space them every 1 1/2", when I worked that out it was quite a bit cheaper to build than using the bullets? Just order the strips pre-made to the length you need will make life a lot easier.

angus40
12-31-2014, 04:12 PM
I am using square nodes with 1 spacing . Video is no problem and with Hls you can sync audio with video perfectly .

ronp5683
01-08-2015, 12:48 AM
http://diychristmas.org/vb1/showthread.php?2811-Scrolling-Pixel-Matrix-Tune-To-amp-Donation-Box-Combination

11Bravo
01-08-2015, 01:44 AM
is it possible to do the same thing with a LED HDTV screen?