540 PCBs Make a Giant LED Cube

Just about anyone can make a simple LED cube. But what if you want to make a 1-meter cube using 512 LEDs? [Hari] wanted to do it, so he created two different kinds of LED boards using EasyEDA. There are 270 of each type of board, for a total of 540 (there are only 512 LEDs, so we guess he got some spares due to how the small boards panelized). The goal is to combine these boards to form a cube measuring over three feet on each side.

To simplify wiring, the boards are made to daisy chain like a cordwood module. However, to get things to line up, each column of LED boards have to rotate 90 degrees. You can see several videos about the project below.

We’ve covered EasyEDA before. It is a browser-based tool for defining PCBs and includes many other features like simulation and autorouting. You can download the CAM files from the tool or you can order the boards directly from the site very easily.

[Hari] apparently likes LED cubes large or small. EasyEDA, by the way, isn’t the only browser-based solution out there.

Filed under: led hacks http://ift.tt/2szBEA0 http://ift.tt/2aM8QhC

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