(Topic ID: 113419)

RGB LED Cube "Rectangular Prism" Bragging Rights


By Chrisbee

4 years ago



Topic Stats

  • 57 posts
  • 26 Pinsiders participating
  • Latest reply 10 months ago by Chrisbee
  • Topic is favorited by 5 Pinsiders

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    There are 57 posts in this topic. You are on page 1 of 2.
    21
    #1 4 years ago

    Hi all, spent 5 months of free time in my shed making a RGB LED cube. (Shed = outside work station for men, all the Aussie members will know this)

    Now when you put this much effort in you should earn some brag rights, so here it is.

    Got 768 Red, Green,Blue LEDs and about 85 metres of tinned copper wires, some solder and a fair bit of time (more than 100 hours) to produce my cube.

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    #2 4 years ago

    There are lots of cubes on the net, but not many that are 8x8x12. My reason for this is that I think it will become a cool pinball topper for BSD and having 50% more layers give room for moving animations. Imagine flashing white with machine flasher or making the whole room glow green during mist ball or a bouncing ball in the cube for coffin lock.
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    #3 4 years ago

    That's cool. It Would be a trippy topper.

    #4 4 years ago

    If you have never used micro processors or work with transistors, this is a great project. By the time you are finished, your knowledge base will be 100 fold.
    Some Pic of the process.

    First bend 768 RGB LEDs , thats 4 legs on each.
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    Next make a row
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    Get them out and test

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    #5 4 years ago

    Make a panel out or 12 rows of 8 LEDs

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    Insert more wire (each panel has 24 vertical wire, one for Red, Blue and Green)
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    Then solder, and test - One panel about 8 hours.

    Next stand the panel up and make another one, 6 to go.

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    #6 4 years ago

    Once all panels are complete, add some wire. This is where EM experience come in, Making the harness using plastic bag ties and string.
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    #7 4 years ago

    Just the Box and electrical bits left.
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    #8 4 years ago

    once done, time for the final tests, only to find that that three LEDs needed re soldering, Luckily they all were with in the first two rows, I could reach them with my iron. I did test every panel before inserting into the box lid, still had 2 dry solders, one not solderer at all!!
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    #9 4 years ago

    And that's my Brag!
    Merry Christmas

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    #10 4 years ago
    Quoted from Chrisbee:

    There are lots of cubes on the net, but not many that are 8x8x12.

    That's because it's a cuboid...

    Very nice nonetheless!

    #11 4 years ago

    Very cool - !!!!!

    #13 4 years ago

    Need some video of it in action!

    #14 4 years ago

    That is BEAUTIFUL craftsmanship. You have a true talent. How many patterns will it do? Are you programing them yourself? Are you going to put a plex cover over it? I have 2 small premade Hypnocubes, one is hanging upside down from the ceiling in my gameroom and the other one is on the bar. I'd love to get a bigger one like yours but I have no skill for doing it. My hat is off to you sir. On youtube I saw one that filled a room.

    #15 4 years ago
    Quoted from MustangPaul:

    How many patterns will it do?

    It’s fully programmable only limited by ones imagination, right now there is 12 patterns. 11 math formulas and one where you chose each LEDs state and colour, this is for true animation. I have programmed a Christmas tree with flashing lights with this method.

    #17 4 years ago

    That, sir, is very impressive !!

    #18 4 years ago

    Unreal. Awesome work!

    #19 4 years ago
    Quoted from Chrisbee:

    It’s fully programmable only limited by ones imagination, right now there is 12 patterns. 11 math formulas and one where you chose each LEDs state and colour, this is for true animation. I have programmed a Christmas tree with flashing lights with this method.

    I should have asked how many patterns will the memory hold?

    #20 4 years ago

    That is freaking cool I may have to look into building one

    #21 4 years ago

    Awesome!
    Looks badass
    I'd love to give this a try

    #22 4 years ago
    Quoted from RavellevaR:

    That's because it's a cuboid

    I called it a cube, cos not sure i could spell rectangular prism!!.

    #23 4 years ago
    Quoted from MustangPaul:

    I should have asked how many patterns will the memory hold?

    It has 256kB of memory, depending on what you are doing and how you go about it, I expect 50+ patterns.

    #24 4 years ago

    Yes, that's awesome, and make a vid of it in action!

    .....BUT what about when an LED fails in the middle? I'm guessing we will never see you bitchin' in a post about how Data East GI's aren't accessible haha!

    #25 4 years ago

    That is completely awesome. I bought myself a 'learn to solder' kit awhile back and have yet to work on it, so there's slim chance I could create anything this cool.

    And I'm glad you finally got to come out of your shed.

    #26 4 years ago
    Quoted from blondetall:

    That is completely awesome. I bought myself a 'learn to solder' kit awhile back and have yet to work on it, so there's slim chance I could create anything this cool.
    And I'm glad you finally got to come out of your shed.

    The soldering of this wouldn't be hard, just long and tedious.

    #27 4 years ago

    Very cool! Nice work.

    #28 4 years ago
    Quoted from Atomicboy:

    The soldering of this wouldn't be hard, just long and tedious.

    You better believe it, had to keep myself motivated. New if i stopped i may have never gone back to it.

    #29 4 years ago
    Quoted from Chrisbee:

    It has 256kB of memory, depending on what you are doing and how you go about it, I expect 50+ patterns.

    That's good size.

    11
    #30 4 years ago

    By popular demand, well 2 people, here is a POOR quality vid of the cube in action.

    In real life it looks way better than this youtube. I’m going to say that, hay.

    Note to self, don’t use a phone camera for this sort of stuff in future.

    #31 4 years ago

    I think it would kind of go better with a dr who, than bsd. Be interesting to see what images it could display and if they could be animated...

    #32 4 years ago
    Quoted from Jackster:

    Be interesting to see what images it could display and if they could be animated...

    animation would be easy enough. once you have created a routine, than you can trigger from the machine. The easier ones would be animations started by flashers or coil activation. The controller is an Ardunio Maga. I have still 35 inputs available for triggers.
    When choosing something to animate, you need to keep in mind that the resolution is coarse, but something like the bouncing ball on BSD should work well.

    #33 4 years ago

    Great job,which ever way you decide to use it.That is one fun cube.

    #34 4 years ago
    Quoted from Chrisbee:

    By popular demand, well 2 people

    Awesome, 50% of the demand thanks you!

    That is cool, but seriously, what do you do when one in the middle fails? Or is that one of those "we're not going to ask that question now" type of things given the shitty answer?

    Are you able to run this off of 3d mappings for things like a head? It would be neat to combine with sound for like a 3d light head that spoke.

    Quoted from Jackster:

    I think it would kind of go better with a dr who, than bsd.

    There was an insane Dr. Who topper by someone here that did a similar thing, with lights all around the dalek, and come to think of it, I bet it was based on this type of thing. Someone might be able to dig it but it had lights all around it that moved in patterns

    #35 4 years ago

    Dang, that is fun to watch. Wish someone would come out with a ready made 8x8x8 that was affordable. The 32x32x32 is insane.

    #36 4 years ago

    This is crazy! So many leads to bend and solder, lol.

    I think it's super cool.

    #37 4 years ago

    Respect!!

    Arduino fan here, and looked at all the cubes multiple times .....can't make myself to begin this :/

    But seeing this WOW

    #38 4 years ago

    You have to see it to believe it. Awesome!!!

    #39 4 years ago

    Awesome work! Very cool!

    That cuboid is so big, you might be able to create 3D renderings of people and objects!

    #40 4 years ago
    Quoted from Schwaggs:

    Awesome work! Very cool!
    That cuboid is so big, you might be able to create 3D renderings of people and objects!

    I wonder if you could modify a 3D printer slicing software to take a model and slice it into the layers of the LED cube, allowing you to throw any .STL at it and have it display it like a hologram.

    #41 4 years ago
    Quoted from Wolfmarsh:

    I wonder if you could modify a 3D printer slicing software to take a model and slice it into the layers of the LED cube, allowing you to throw any .STL at it and have it display it like a hologram.

    Now that would be cool. But you would be limited to 8x8x8 slices.

    #42 4 years ago
    Quoted from MustangPaul:

    Wish someone would come out with a ready made 8x8x8 that was affordable

    There is a kit form available.
    http://www.instructables.com/id/8X8X8-RGB-LED-Cube/step3/Put-the-parts-on-your-board/

    #43 4 years ago
    Quoted from Atomicboy:

    That is cool, but seriously, what do you do when one in the middle fails?

    Be very disappointed. It would be a job to dismantle to get to an LED in the middle, but doable.

    #44 4 years ago
    Quoted from Atomicboy:

    Are you able to run this off of 3d mappings for things like a head?

    Yes, but it is time consuming and the result is coarse. If you look at the last part of the Youtube, it’s a Christmas tree (3d mapping). And the code looks like this below, looking down from the top of the cube. B for Byte then each bit in that byte on or off for each LED/colour in that row ( 3 colours x 8LEDs/ row x 8 rows x 12 levels = 2304 times). The 15 is the brightness for that row of LEDs for that colour. I have 4096 possible colours.
    //GREEN Level 2
    B00000000, 15, //Row 0
    B01000010, 15, //Row 1
    B00100100, 15, //Row 2
    B00011000, 15, //Row 3
    B00011000, 15, //Row 4
    B00100100, 15, //Row 5
    B01000010, 15, //Row 6
    B00000000, 15, //Row 7

    2 years later
    #45 1 year ago

    OK, so over the past two years I have been mucking around with this cube.

    I have changed from an Arduino Mega to Due (ARM processor).

    Changed how the cube works and made a few new animations.

    Uploaded a new better quality video to YouTube….

    Hope someone watches it….

    #46 1 year ago

    I love this thread! Nice job Chris, that cube is awesome!! So many talented people on Pinside. Thanks for taking the time to share with us!

    #47 1 year ago

    first time seeing this. Awesome...

    #49 1 year ago

    Really cool!

    #50 1 year ago

    Awesome! Great work on the vid too!

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