Sunday 9 June 2013

10. Demonstration Videos

Ok, now that we have built our 3D cube we will use this page to put up some videos of what we have programmed it to do.

Here is the first - it's a square drawing program...



The cube was being controlled by a PICAXE 28X2 module which is virtually completely self-contained and costs only £11.99 (and the programming editor is free although you'll have to but a programming cable).

We wrote the code in two steps - the first was a subroutine which would put a cube of lit LEDs of any defined size anywhere in the matrix that we chose.  Then we wrote a routine which simply moved it around.

More to come...
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10 comments:

  1. Deepan Raj26 June 2013 at 03:43

    Hi, I have bought a similar cube. I have soldered all the bits and pieces. Somehow I just cant seem to power up. Well without the 512 LEDs, when I turn it on, the small LEDs lighted up for say 10 secs and than dissappeared. Will u be able to help me with this?

    ReplyDelete
    Replies
    1. Professor Cube26 June 2013 at 09:23

      Which of the two plug-in modules are you using?

      Delete
  2. RV30 August 2013 at 03:37

    This comment has been removed by the author.

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    Replies
    1. Professor Cube30 August 2013 at 05:29

      Hi,

      Do you ned something more detailed than at the bottom of this page:

      http://8x8x8ledcube.blogspot.co.uk/2013/05/assembling-printed-circuit-board.html

      Delete
  3. RV30 August 2013 at 05:53

    This comment has been removed by the author.

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  4. RV4 September 2013 at 13:38

    This comment has been removed by the author.

    ReplyDelete
  5. Unknown13 January 2014 at 08:25

    Hello, i received the same cube today, but whitout jig.
    Please can you tell me the dimensions so i can make it in wood?
    Thank you very much

    ReplyDelete
    Replies
    1. Unknown5 August 2014 at 06:38

      Hi Bart, might be a bit late now but for anyone else - measure the pin spacing on the main PCB. They are 23mm (squared), so use the same for the spacing on the jig.

      Note: if you're going to order one of these you can buy the pre-made jig as well! Either contact him on his eBay account, or the kit + jig can be brought from his Aliexpress store.

      Delete
  6. Unknown5 August 2014 at 07:16

    If (like me) find the surface mount soldering a bit too tricky checkout www.eimodule.com.
    More expensive but it's exactly the same Main PCB kit (including both standalone and pc modules) detailed in this blog and you can still build the LED matrix.
    (Tip: He sells on eBay and was 25% cheaper than the website prices)

    Everyone asking about the software read the build instructions (on the EIModule website which are in english) at the bottom of the PDF there's a link.
    http://www.eimodule.com/EIM402_LED_Cube_Material_C01.rar

    Note: I found the EIM build instructions "PCB to LED red wires" are the wrong way around, so it runs up side down. Follow the wiring pictured on this blog.


    This is not in anyway an endorsement for EIModules, i'm just a happy customer (do checkout his eBay feedback).

    ReplyDelete
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