Five Cubed

16mm 5x5x5 LED Cube on a Carduino Base

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Incorporating just about everything I've learned over the last couple of years, from card sculpture, circuit layout tricks and Charlieplexing LEDs to micro-deadbugging techniques for SMD components.

Presenting Five Cubed

170 parts packed into a 16mm cube, free-hand soldered and mounted on a Carduino base.

The base is a single piece of cardboard with a printed template stuck to the reverse, pinholed so it shows on the front, and then laid out with ~1.25mm copper tape tracks and soldered.

All IO pins on the 328 are used to plex 125 LEDs in an identical manner to #DisplayBug except that the columns have been rearranged to fit into a cube. I havent just stacked them however, Displaybug's layout is interlaced, so each layer has two and a half of its columns, which is awkward. The half-columns are in the centre of the layers, with a full column either side.

The location of the chip pretty much dictated the pinout, so the next part, coding for it, is also going to be a little hairy until I figure out the bitmasks for the columns.

  • 125 × 0805 SMD LED. Emerald Green
  • 1 × Standard (7 Strand) Zipwire. Single strand used to deadbug the LEDs and mount them
  • 1 × 2 Pin SIL Header. 5V Power Supply
  • 1 × Solder. Splish Splash ;-)
  • 1 × Polyethylene Sheet. Temporary, not used in finished cube

View all 16 components

  • 1
    How To Build A MorningStar Cube

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Enjoy this project?



Ulysse wrote 12/16/2018 at 21:58 point

Featured projet,  Well done !

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Dr. Cockroach wrote 12/12/2018 at 09:25 point

Loving every moment of this :-D

  Are you sure? yes | no

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