hexy

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README

Hexy

Inspired by Mukesh Sankhla's HexMatrix project, this is a smaller version using 96 3.5x3.5MM RGB LEDs (WS2812B-MINI)

Hardware

All KiCad design files under MIT license

BOM

1 x PCB
96 x WS2812B-MINI
1 x TTGO T-DISPLAY (or any other microcontroller)
2 x 2.54MM SMD Pin Headers (You only need 3 pins connected i.e. DIN/VCC/GND but using a full row of 12 pins will mount more securely)

Wiring Pattern

The LEDs are laid out in a zigzag pattern:

Software

We used the FastLED library v3.3

Set the data pin to 13 (or any other pin if you are using another microcontroller)
Set the number of LEDs to 96
Set the LED Chipset to WS2812B

Frame

For best visual results, 3D print the seperator grid hexy-frame.stl to keep the light from bleeding over. You will also need a piece of paper/acrylic glued on top to diffuse the light so each triangle cell looks nice and crisp hexy-diffusion.dxf

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Hexy

Hardware

BOM

Wiring Pattern

Software

Frame

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Hexy

Hardware

BOM

Wiring Pattern

Software

Frame