![]() In addition to the three-column-wide digit, we need an extra column for the space between digits, so that means four columns per digit and we need three full digits for the clock (12 columns), and then a leading 1 digit, which would be made of a single four-high row. For more information on Conway, see this article in the NYTimes or enjoy this cartoon by XKCD.Īfter making the font decision, I needed to figure out how big the grid would be. Just for fun, it makes a transition at the end of each minute, which is sometimes an appreciation of John Conway's "Game of Life". It definitely has some quirks, but I have learned to enjoy them. It runs standalone keeping time via a battery-backup real-time clock, or can be connected via USB to a host computer that can push bitmaps, change color schemes, or most importantly set the internal clock. The clock has 13 columns with either four or five LEDs, a total of 58 hexels that mostly fills a 17"x10" picture frame. ![]() I wanted the display to do something useful in addition to looking interesting, so I made it a clock. ![]() So I wanted to make a project using a display made of hexagonal pixels (hexels). But mostly, they are not square when so many computer things are. Hexagons are cool - they have six sides, they tile a plane, they have a structure like the carbon atoms in graphite, each cell has six neighbors, and there are six cardinal directions.
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