Author Topic: Matrix size for a tune in sign  (Read 2877 times)

Offline zwiller

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Re: Matrix size for a tune in sign
« Reply #15 on: January 26, 2014, 08:08:42 AM »
Getting a bit off topic unless you were considering the square metal backed pixels for your Tune To sign. :)

I did use them for last years tune to sign but it wasn't a matrix ;D

I really like modules.  Those squares look great on the vids.  Nice job.  Many unique elements.  Sweet jumbotron on the garage!  I don't see any issues with the squares on full white.  I will have to do some further testing with mine. 

Seeing that we are still on topic  ::)  I have the worst time replacing rectangular modules.  I have 1 or 2 that are go out, replace them and another 1 or 2 no where near the section I replaced go!  These modules worked fine before I replaced the errant ones!  One pattern I saw this year was that all the bad modules lost blue.  All 3 leds.  Which I think is weird.  Tried other things such as different cat5, SSC, and firmware and it is repeatable.  The problem must be the IC right?  Worried it might have something to do with power injection.

[attachment deleted by admin]
Sam
 Last year's video: https://vimeo.com/150560653

Offline smeighan

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Re: Matrix size for a tune in sign
« Reply #16 on: February 21, 2014, 08:19:15 AM »
Sorry to steer thread offtrack...  I am kinda waiting before I commit to a matrix tune to sign since I see new stuff coming out regularly.  Ray has some really cool panels that I am interested in and these are actually jumbotron stuff.  http://www.aliexpress.com/store/group/LED-display-screen-unit-board-control-card/701799_210028161.html  Unsure how to run them though, maybe video?  Then you have some other things like this, but 5V.  http://www.aliexpress.com/store/product/16-16pixels-WS2812-led-digital-flexible-panel-light-ws2811-IC-controlled-size-17cm-17cm-DC5V-input/701799_825283258.html  Then you are in the $400 range for a typical yard sign...  I did alot of old school 8 bit letter testing and if all you want is some basic lettering tune to stuff you can do well with 128-170 pixels and that panel in the link I posted.  It would be very interesting to compare a matrix with 2 SSC or P16 strings against one with power injection. 

Some more info about my power injection issues.  The rectangles were 1804IC from the wiki and yes I meant the metal backed square ones, but mine are 4 led.  My testing was primarily with the rectangles but I did see the same results on 2 sections of squares so I would expect the same or worse.  Testing was inside, using both V3 and V4 SSCs.  Distance to SSC was 20' cat5 from mono price.  I tried swapped a tons of things to debug.  IE different power supplies on same hub, different cat5, using a 4 port with 30A PS, SSCs, etc.  After digging I found that this reported before...  http://diylightanimation.com/index.php?topic=13212.0

one caution for these panels for a tune to.

the leds are very close.
if your audience is any distance, they will be very small (< 8" high).

you need 6 leds per character (5 for text, 1 for a space). I was thinking of getting tm1804's and puttinh them on 2-3" spacing on coro. the other choice is getting tm1812 and cutting it 1 meter lengths. you then get 5 lengths per flex.
Sean
Littleton, CO Latest releases http://nutcracker123.com/nutcracker/releases xLights/Nutcracker Forum http://nutcracker123.com/forum/index.php Facebook [url=https://www.facebook.com/groups

Offline arw01

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Re: Matrix size for a tune in sign
« Reply #17 on: February 21, 2014, 02:46:50 PM »
Sean did you ever get those Ink1003's?

Offline smeighan

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Re: Matrix size for a tune in sign
« Reply #18 on: February 21, 2014, 03:29:25 PM »
no i am on a timeout from my wife.

maybe late spring.

:)

Offline RichM

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Re: Matrix size for a tune in sign
« Reply #19 on: February 21, 2014, 04:40:11 PM »
Sean,
That's what happens when she finds out you took money from the kitchen budget to buy more Christmas lights.  :)

Offline drlucas

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Re: Matrix size for a tune in sign
« Reply #20 on: February 22, 2014, 04:24:37 AM »
Boy o boy do I know that feeling right now. And I have no right to complain about the kitchen project being 2x the cost and taking twice as long to complete. Last years the light budget was maybe 4x overrun and the time invested well i stopped counting hours in March :)
Ryan

Offline dduck

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Re: Matrix size for a tune in sign
« Reply #21 on: February 22, 2014, 07:11:43 AM »
Sean did you ever get those Ink1003's?

I ordered one.   Ray says it has shipped but I don't have the shipping info yet.
So hopefully next week I can post what I find from these lights.

 

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