https://github.com/wokwi/splendida

256 WS2812B LEDs arranged in Fermat's Spiral Shape
https://github.com/wokwi/splendida

kicad pcb pcbnew ws2812b

Last synced: 12 days ago
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256 WS2812B LEDs arranged in Fermat's Spiral Shape

• Host: GitHub
• URL: https://github.com/wokwi/splendida
• Owner: wokwi
• Created: 2021-01-18T12:31:37.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2021-12-08T11:32:47.000Z (over 3 years ago)
• Last Synced: 2025-03-27T22:07:32.620Z (29 days ago)
• Topics: kicad, pcb, pcbnew, ws2812b
• Language: Python
• Homepage:
• Size: 4.06 MB
• Stars: 47
• Watchers: 6
• Forks: 6
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Splendida! ✨

> 256 RGB LEDs beautifully packed in Fermat's Spiral shape

[![License: CC BY 4.0](https://img.shields.io/badge/License-CC%20BY--SA%204.0-lightgrey.svg)][cc-by-sa]

The [PCB](pcb/) was designed with [KiCad](https://kicad.org/) and laid out using a [Python script](pcb/layout-board.py).

The design was inspired by Evil Genious Labs' [Fibonacci 256](https://www.evilgeniuslabs.org/fibonacci256).

![Splendida](images/model.jpg)

## Specifications

- 256 WS2812B-B RGB LEDs

- 256 100nF decoupling capacitors

- 2 sets of 3-pin header connectors with standard 0.1" spacing:

  - `5V`, `DIN`, `GND`

  - `5V`, `DOUT`, `GND`

- 172mm board diameter

- 3xM3 mounting holes (81.5mm from center)

- Hypnotic skull spiral decoration 💀

## Power consumption

| Test condition                     | Current | Power  |

| ---------------------------------- | ------- | ------ |

| Standby (all LEDs off)             | 0.16A   | 0.8W   |

| Maximum brightness, rainbow colors | 3.75A   | 18.75W |

| Maximum brightness, all LEDs white | 9.21A   | 46W    |

## 3D Models

- [Splendida 3D Model](3d/splendida.stl) (OpenSCAD [source code](3d/spelndida.scad))

- [Diffuser by ldirko](3d/ldirko-diffuser.stl) (also available on [Thingiverse](https://www.thingiverse.com/thing:4782141))

## Pixelblaze map

To use with Pixelblaze, load [this map file](pixelblaze-map.json). For more information, check out the [Mapping in Pixelblaze guide](https://www.bhencke.com/mapping-in-pixelblaze).

## License

This work is licensed under a

[Creative Commons Attribution-ShareAlike 4.0 International License][cc-by-sa].

[![CC BY-SA 4.0](https://licensebuttons.net/l/by-sa/4.0/88x31.png)][cc-by-sa]

The Python scripts are released under the terms of the GNU General Public License(GPL) version 3 or greater.

[cc-by-sa]: http://creativecommons.org/licenses/by-sa/4.0/