CrossRoads:
The common cathodes need 64 wires, 1 per column, usually soldered to the PCB that makes the base of the cube.
72 wires total.
Vs 8 x 16 wires = 128
Ach, you hardware guys always come up with cool ways of doing things! 
CrossRoads:
The common cathodes need 64 wires, 1 per column, usually soldered to the PCB that makes the base of the cube.
72 wires total.
Vs 8 x 16 wires = 128
Ach, you hardware guys always come up with cool ways of doing things!