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Author Topic: 3 x 3 x 3 cube  (Read 245 times)
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hi

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
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I don't think you connected the grounds, Dave.
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Try here
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Too funny but true !
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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.
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Yes, looks like it can be done.
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