Building A Tessellated NeoPixel Clock

Anyone can buy a clock, but building your own lets you express your creative flair along the way. [Edison Science Corner] did just that with this neat sci-fi looking design.

The build relies on an Arduino Pro Mini to run the show, paired with a DS3231 real-time clock module. The latter part is of great importance, as without it, the Arduino would not keep accurate time. The 3D printed enclosure looks nondescript from the outside. However, inside, it’s got a neat triangular structure which allows the time to be displayed in that attractive tessellated triangular fashion. There’s a black plastic separator between all the segments which stop unattractive bleed-through and really help with the final effect. The individual triangles are each lit by a NeoPixel LED, which are both addressable and capable of lighting up in RGB colors. It makes for an attractive and colorful display.

If you want to try something more traditional yet challenging, consider whipping up your own 7-segment displays. Video after the break.

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