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Thread: New CD77 Halloween Fun 2019

  1. #1
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    New CD77 Halloween Fun 2019

    Just in time for Halloween, here is my new Halloween Fun 2019 Sketch and video which includes my new CD77_Flicker function which is based on fantastic code by u/locuester of FastLED Reddit (see sketch for link to u/locuester’s code).

    Here is a video of the sketch on YouTube:

    https://youtu.be/1vlnqRn7yKw

    The CD77_Halloween_Fun_2019 sketch is available at:

    https://github.com/chemdoc77/CD77_Fa...oween_Fun_2019

    It will soon to be in my living room window as a pair on these pipes using the FastLED mirroring strips technique.

    This sketch was run on a 5 ft strip of NeoPixels in a PEX pipe with a Teensy 3.2. The sketch was compiled using the Arduino 1.8.10 IDE, the Teensyduino 1.48 and windows 10 along with the latest version of the FastLED library.

    Enjoy!
    Chemdoc77

  2. #2
    never seen stuff like the last 20 sec of the video. is that the flicker? also is that clear straight[rigid] pex? or the hazy? nice project.

  3. #3
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    Hi Dkryder:

    No, it is not the flicker which can been seen in the beginning of the video.

    The last part of the video is from a slight modification of Mark Kriegsman's Fire2012WithPalette. The code for that part of the sketch is located in:

    https://github.com/chemdoc77/CD77_Fa...2withPalette.h

    The PEX pipe can be purchased from Lowes or other home improvement stores as seen in:

    https://www.lowes.com/pd/SharkBite-3...ipe/1000168455

    It is already a milky white and does a great job of diffusing WS2812b LEDs. Do not buy the coiled PEX pipe because it never straightens out properly like the smaller straight lengths sold.

    Thank you for your post. I am glad you like the project.

  4. #4
    Quote Originally Posted by chemdoc77 View Post
    Hi Dkryder:

    No, it is not the flicker which can been seen in the beginning of the video.

    The last part of the video is from a slight modification of Mark Kriegsman's Fire2012WithPalette. The code for that part of the sketch is located in:

    https://github.com/chemdoc77/CD77_Fa...2withPalette.h

    The PEX pipe can be purchased from Lowes or other home improvement stores as seen in:

    https://www.lowes.com/pd/SharkBite-3...ipe/1000168455

    It is already a milky white and does a great job of diffusing WS2812b LEDs. Do not buy the coiled PEX pipe because it never straightens out properly like the smaller straight lengths sold.

    Thank you for your post. I am glad you like the project.
    i figured it was straight pipe that was needed. i'm just surprised that much light is emitted with the white. thanks for the links. does the code need to be modified based on length of pipe?

  5. #5
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    It just so happens that 90 LEDS from a strip of 60 WS2812b LEDS per meter just fits that 5 foot length of PEX pipe.

    The code will run properly on any length strip of LEDS. You just have to adjust the number of LEDS in line 14 of:

    https://github.com/chemdoc77/CD77_Fa...n_Fun_2019.ino

    Due to the conditions that I taped the video, it does look brighter than when you see it in person. However, a lot of light does come thru the PEX pipe and it looks great at night in my front window, even from the street 30 feet from my front window.

    You can see another videos using PEX pipe by Jason Coon at:

    https://www.youtube.com/watch?time_c...&v=oqDBVKWO1fo

    and at:

    https://www.youtube.com/watch?time_c...&v=BnhkVe6w-w4

    I got the idea to use PEX pipe from Jason's great work.

  6. #6
    thank you for the info and links. i have not worked with pex but with pvc i could use a hairdryer or heat gun to shape/bend. do you have any experience or info on heating pex pipe to shape it.? in the videos it looks like just straight pipe was used. i guess i need to get a section and try it. i'd like to get a arched top with straight sides/bottom for a Christmas decoration.

  7. #7
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    I don’t know if a heat gun would soften the PEX pipe for what you are trying to do. I have only worked with the straight PEX pipes.

    Jason Coon did do this loop but said it was very difficult to do:

    https://www.evilgeniuslabs.org/trink...otor-race-gate (scroll down on the right)

    If you use the search term “Christmas Arches” in Google, then you can find:

    https://www.youtube.com/watch?v=ufrttiCqP_A

    and

    http://doityourselfchristmas.com/for...HDPE-Arch-Kits

    See bottom parts list where they use HDPE tubing and not PEX tubing for the arches.

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