![]() ![]() ![]() came up with an encoding scheme that gives about five bits of grayscale, and built a program to figure out which segments should be lit to create an image. Under the hood, a PocketBeagle does all the heavy lifting of talking to the display and translating images onto the display. The whole thing lives in an enclosure with a smoked acrylic front panel, and hangs from a pair of steel cables that also provide power. Power is distributed to the modules through a series of steel bus bars, which also provide structural support for the display. designed the PCBs to tile horizontally and vertically, making it possible to take data either from the top or right side and output to the bottom or left. The piece, which looks about the size of a decent flat-panel TV, is composed of an 8×6 array of PCBs, each of which holds an 8×4 array of white LED seven-segment displays each board also holds two TLC5920 LED drivers. But when you put 12,288 segments to work, you get all that and much more.īehold Sea of Segments, an art piece by that really pushes what’s possible with seven-segment displays. There are the ten numerals, dead-ringers or reasonable approximations for about half the alphabet, and even a few not-quite-canonical symbols. ![]() The amount of information the humble seven-segment display can convey is surprising. ![]()
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