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  1. Thread: VideoDisplay

    by djcali
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    1,143

    VideoDisplay

    Hello,

    I was wondering if it is possible to use the VideoDisplay and movie2serial program on a LED Wall I built that is 64x35 using ws2812B strips and two teensy 3.2's. I have 4 panels of 16x35...
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    Thanks for all the comments. I am receiving this...

    Thanks for all the comments. I am receiving this power supply today. http://www.mouser.com/ProductDetail/Mean-Well/LRS-350-5/?qs=%2fha2pyFadujHznX5xjGNP5ZYWysNUZrbOc%252bgURuy5Q5XZSZIqCo47Q%3d%3d
    ...
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    Sorry.. Can anyone give some insight on my...

    Sorry.. Can anyone give some insight on my questions above? Thanks.
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    Couple more questions... 1. I'm running a...

    Couple more questions...

    1. I'm running a total of 35 WS2812B LEDs per row horizontally and powering/grounding each strip at one end, should that be sufficient enough power delivery?
    2. I'll...
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    Yeah... You're absolutely correct. That worked! 😀...

    Yeah... You're absolutely correct. That worked! 😀 ... Not there yet though... Time to deal with this unbelievable amount of flicker. 😡

    Thanks for your help as always Paul.
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    I changed the sketch to 245 leds per strip,...

    I changed the sketch to 245 leds per strip, removed data line #2 and daisy chained data line #1 in that spot. I get the 245 leds to work as i suspected... it just won't use any of the other data...
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    This looks to me that if pixel index >...

    This looks to me that if pixel index > ledsperstrip it's not setting a pixel color ?

    if (pixelIndex < ledsPerStrip) {
    leds.setPixel(pixelIndex++, pixelColor);
    }
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    Octows2811 code help.

    I posted this in one of my other threads but it didn't really fit.

    I'm using Teensy 3.2 and the octo Adapter for a Led Matrix project that will be 35x40 (1400 LEDs)

    As of right now I have...
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    Thanks. I will test that and post the updates. ...

    Thanks. I will test that and post the updates. Until then, I have another issue i was trying to solve first.... I'm having an issue with some code. Right now I have 35x7 (245 leds) hooked up for...
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    LED Matrix Grounding

    Hello,

    I am using Pixelcontoller w/Teensy 3.2 and the Octows2811 Board for a Matrix of 35X40 (1,400 LEDs). I am not powering the Teensy with an external supply but just via the USB. On the first...
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    From breadboard to PCB

    Hello All,

    I'm basically putting together a breakout board for my LED Matrix. I'm in the design process using Eagle and using only SMD parts. (2x14 Female headers for the Teensy 3.1, 1x2 wire to...
  12. Teensy 3.1 - Octows2811 - NeoPixels - PixelController

    So far so good! Thanks to Paul and the great Octo Library my DJ LED Facade
    Is coming along. after a couple of days tweaking the code for the PixelController
    Software I got it working. Here's some...
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    Yep... that did it.. no flicker! Thanks Paul!

    Yep... that did it.. no flicker!

    Thanks Paul!
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    Good News is Making those connections suggested...

    Good News is Making those connections suggested by tetsuo got rid of all my noise problems thanks! Bad news is the octows2811 library is still flickering. Here is a video with the Adafruit library...
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    Thanks, I'm going to make those changes tonight....

    Thanks, I'm going to make those changes tonight. I'll post back.
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    I'm sorry PIN 20 is VCC which is connected to...

    I'm sorry PIN 20 is VCC which is connected to +5v.

    Do I connect 5v to both?

    Never mind , I'm going to try +5v on pin 1 and GND On pin 10 when I get home. I think that's what you mean.
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    I know it's not pictured but the power lines are...

    I know it's not pictured but the power lines are going from the supply straight to the LEDs. I do have a question though, I'm going to have 15 x 40 matrix and was going to power them every 4th strip...
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    Pin 19 is Vcc which is connected to Pin 1...

    Pin 19 is Vcc which is connected to Pin 1 internally, why would I need 5v on the DIR PIN also. I'm getting +5v on the output pins of the 245 with the current placement.

    Thanks
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    I tried basically everything also. I took the...

    I tried basically everything also. I took the latest Adafruit Neopixel library and uploaded it to the teensy 3.1 and all the strand tests are flicker free not changing anything with the above setup....
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    Trouble with Octows2811 and Adafruit NeoPixels

    Hello,

    I have begun working on a project using the Octows2811 Library and Adafruit Neopixels . I'm a noob with leds but not basic circuitry, as far as I can tell I followed Paul's instructions for...
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    Thank you Paul!

    Thank you Paul!
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    Need help with compiling code

    Hello All,

    I just purchased the Teensy 3.1 board and I am having trouble compiling some code that I will be using to create a WS2801 based LED Matrix. The code is verified to work with the Teensy...
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