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Topic: 3 x 3 x 3 cube (Read 510 times) previous topic - next topic



i am in need of help to build a 3 x 3 x3 cube

will a adruino uno R3 be ok to do so

and how would i go about it

thanks for your time


"Pete, it's a fool looks for logic in the chambers of the human heart." Ulysses Everett McGill.
Do not send technical questions via personal messaging - they will be ignored.


Too funny but true !


Yes, Uno can do that.
Use 9 pins to drive the anodes on one layer (with current limit resistor per anode, so 9 total for the cube), the 3 anodes in a column are connected.
Use 3 transistors to sink the current from the cathodes of each layer. The cathodes of the layer are connected.
A ULN2003/UNL2803 can be used in place of discrete transistors.
Designing & building electrical circuits for over 25 years.  Screw Shield for Mega/Due/Uno,  Bobuino with ATMega1284P, & other '328P & '1284P creations & offerings at  my website.

Nick Gammon

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Yes, looks like it can be done.
Please post technical questions on the forum, not by personal message. Thanks!

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