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    I would also be very interested in a solution to...

    I would also be very interested in a solution to this!
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    I see there are some libraries for outputting VGA...

    I see there are some libraries for outputting VGA signals from a Teensy. Are there any that can be used for interpreting VGA or HDMI signals that would come into a Teensy?
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    I have gotten it to work for a 10k LED display...

    I have gotten it to work for a 10k LED display but have trouble going larger than that. I am trying to work up to a display that will be about 70k LEDs.
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    any ideas?

    any ideas?
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    Parsing Video on the Teensy

    I have always used Paul's movie2serial Processing script when I want to send video to my LED arrays. Unfortunately, there seems to be some bottle necks when I try to use it on larger displays. Now...
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    What USB hub did you end up ordering?

    What USB hub did you end up ordering?
  7. I should mention that I have also used Glediator...

    I should mention that I have also used Glediator to display portions of my screen but I have only used it on small setups. Not sure how it scales up.
  8. @oranjoose I once got the script at this site...

    @oranjoose I once got the script at this site running on my setup. As you can see on the link, the author had some problems with it but it ran ok (a little jerky) on my computer. Maybe you can get...
  9. So, if the Pi won't work and I want to replace my...

    So, if the Pi won't work and I want to replace my old laptop. Do you guys have any suggestions on specs I should look for on a new machine? I would ultimately like to be able to control 70k pixels...
  10. Thanks Paul, you are probably right about my...

    Thanks Paul, you are probably right about my sanity. I certainly don't have the expertise necessary to change a library.

    I guess somebody got the script to work. It just breaks down when the...
  11. Movie2Serial on Raspberry Pi (LED array)

    I also posted this topic on the Processing site but haven't gotten any feedback.

    I am trying to play video on my LED WS2812 array. Currently, the array has 89 pixels per strip and 64 strips. In...
  12. out of curiosity, which hub did you get?

    out of curiosity, which hub did you get?
  13. @Snazzy, did you ever get this to work? Are you...

    @Snazzy, did you ever get this to work? Are you using a multi TT hub?
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    Anybody seen this before?

    Anybody seen this before?
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    WS2812 + Octo + capacitor?

    I have been researching why I keep losing LEDs in my display and came across a tutorial from Adafruit where they recommend putting a capacitor between the + and - leads of the LED strip:

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    @Eka, here is a good example of my problem. I...

    @Eka, here is a good example of my problem. I somehow shorted out a Teensy and when I turned everything back on, my display looked like this:

    14572

    I now have 3 problems: 1 pixel where only...
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    So, the Teensy's still work! Upon taking my...

    So, the Teensy's still work! Upon taking my setup apart, I found that one of the CAT5 cables that was plugged into an Octo had melted. Any idea what could have caused this? If it is a short in my...
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    @PaulStoffregen, I did try disconnecting the CAT5...

    @PaulStoffregen, I did try disconnecting the CAT5 cables and holding the Program button while plugging in the USB cable but the Teensy was still connected to the power supply that was also connected...
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    Thanks @Theremingenieur! How do I establish the...

    Thanks @Theremingenieur! How do I establish the Usb-Vin link again? Is it difficult to separate the Teensy from the Octo? Are you in France?
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    Did I fry my Teensy?

    I was running the VideoDisplay script on two Teensy 3.2's and suddenly everything went blank. Upon restarting, I was unable to run the script again. It seems like the computer is not seeing the...
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    Thanks Paul, I think I understand this issue...

    Thanks Paul, I think I understand this issue better now but I do have a question about this:



    What do you mean by 'many downstream Teensy boards?' 480/12 = 40 Teensys? I cannot find a multi...
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    Thanks Eka. I do not have much experience...

    Thanks Eka. I do not have much experience soldering components as small as these but I will look into the tips you mentioned. Sometimes, an LED will stop working after it is already on my project...
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    Repairing a WS2812

    Has anybody tried or had any luck with repairing an LED that is part of a strip? I always end up cutting non-working LEDs out and resoldering but I wonder if there is a better way.
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    @PaulStoffregen, you may remember my previous...

    @PaulStoffregen, you may remember my previous questions about trying to control more LEDs from a computer:

    https://forum.pjrc.com/threads/48776-Teensy-3-6-Octo-LED-Performance

    One of the...
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    Thanks Crees. If USB2 is 480 Mbps, why does Paul...

    Thanks Crees. If USB2 is 480 Mbps, why does Paul reference 12 Mbps above? Is that a restriction of the Teensy’s USB connection?

    Artnet and sACN are a bit of a mystery to me. Do you have any...
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    Anybody out there?

    Anybody out there?
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    sorry, i think that second estimate should have...

    sorry, i think that second estimate should have been 13x1100x8
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    I was just thinking about this problem again. ...

    I was just thinking about this problem again. Let's forget about all other issues besides the 12Mbit/sec USB limit. If my computer has 4 USB ports, does that mean all I can ever hope for is...
  29. Cool looking software! What is the maximum...

    Cool looking software! What is the maximum number of LEDs and Teensy's you can run with this?
  30. Giant LED Sculpture - Know anything about it?

    https://blog.adafruit.com/2017/10/17/giant-art-installation-displays-3d-selfies-on-an-enormous-850000-led-head-arttuesday/

    850k LEDs is really impressive. Has anybody seen this thing? Know any...
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    Teensy 3.6 + Octo LED Performance

    I am experimenting with my new 3.6 and a very large array of LEDs (using the Octo shield). When I upload the Rainbow script from the Octo library example files, everything seems to freeze when I get...
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    Thanks @KurtE I just did that

    Thanks @KurtE I just did that
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    For anybody else that is having this problem. I...

    For anybody else that is having this problem. I turned off ALL of the antivirus software and then did a fresh install of Teensyduino. Now it works but I found a different problem. Look forward to...
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    Teensy 3.6 Upload Problems

    I decided to try the 3.6's that Santa brought me for Christmas but I am getting the following errors when I try to upload the VideoDisplay file through Arduino:

    Arduino: 1.8.5 (Windows 10), TD:...
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    Just for fun, I tried changing the VideoDisplay...

    Just for fun, I tried changing the VideoDisplay script in Arduino to make the Teensy think it has 60 LEDs on each of 16 strips. For some reason, it starts working when I do that but, obviously, the...
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    Similar to that thread, I am trying to run a MOV...

    Similar to that thread, I am trying to run a MOV file on Windows 10.
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    Yes, I have that library and Arduino is closed.

    Yes, I have that library and Arduino is closed.
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    movie2serial

    I am trying to run Paul's movie2serial Processing script. I have already installed the VideoDisplay script on my 3.2. When I run the Processing script, the grey box where the movie is supposed to...
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    Sorry, persisted meant that the non working...

    Sorry, persisted meant that the non working Teensy was still not working when it switched to the other matrix.

    I will try your code and get back to you. Thanks!
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    @defragster I swapped the Teensy's and the...

    @defragster I swapped the Teensy's and the problem persisted. I don't usually need to push the button to program the Teensy but I have tried it both ways. I can upload scripts to it just fine (like...
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    I am running it on a Windows machine. I am using...

    I am running it on a Windows machine. I am using the serial monitor on the Arduino ide to do the talking. It might be easier to forget about the working Teensy for a second. Even if I totally...
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    Problem communicating with Teensy 3.2

    I have two Teensy 3.2's controlling an LED matrix. Right now, the two Teensy's are independent; one controls one part of the matrix, the other controls the rest. I have no trouble uploading...
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    @Tony31, did you ever figure this out? I have...

    @Tony31, did you ever figure this out? I have similar problems when I use my laptop and I always end up trying different ports or restarting my computer until it works again. Very annoying.
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    There is hope! http://www.techshop.ws/index_2/...

    There is hope!

    http://www.techshop.ws/index_2/

    I was a member at the SF location but I never saw any Teensy's floating around. Were you working on a project there? I am still a novice so any...
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    I am still tinkering with my small prototype but...

    I am still tinkering with my small prototype but it is growing in size so I wanted to revisit this thread. @GremlinWrangler, you made a good point about powering the 3.6's with separate power...
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    This is helpful, thank you! Sorry to be a pain...

    This is helpful, thank you! Sorry to be a pain but how do I limit the refresh rate in the software? So far, I have mostly been using the movie2serial program that you wrote in Processing. Isn't...
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    How many LEDs do those people put on each Teensy...

    How many LEDs do those people put on each Teensy to preserve a 60Hz refresh rate? Do they just use a USB hub to expand the number of ports to communicate with or does that create bottlenecks as well?
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    That is good to know. That sounds like the...

    That is good to know. That sounds like the strips can handle a 60Hz refresh rate. Does the Teensy itself have any limitation in that regard? Do you know of any software that can handle that setup?
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    The strips are organized in rows of up to 300...

    The strips are organized in rows of up to 300 each. I was definitely planning to use more than one Teensy but, you raise a good question, how many LEDs can be on one Teensy and still have a good...
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    Also, are those refresh rates still true for the...

    Also, are those refresh rates still true for the 3.5 and 3.6? I am using a 3.2 right now.
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