This is one crazy 8*8*8 LED Cube Build. We have seen other LED Cubes here before but I have never seen one documented as well as this one, if you are looking for some pointers when you build your own this project would make for a great resource. Latches are used to provide the large number of outputs needed to interface to the cube. Check out the video below for the great results.
“To get get the required 64 output lines needed for the LED anodes, we will create a simple multiplexer circuit. This circuit will multiplex 11 IO lines into 64 output lines.
The multiplexer is built by using a component called a latch or a flip-flop. We will call them latches from here on.
This multiplexer uses an 8 bit latch IC called 74HC574. This chip has the following pins:
Here is what you need to make a LED cube:
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