HardLabs

ButterflyChain

mignon-p·ButterflyChain

ButterflyChain PCB layout, top view — open source board by mignon-p

About the ButterflyChain PCB

ButterflyChain is an open source PCB design by mignon-p, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 93.1 × 65.5 mm, with 22 components from 5 distinct parts.

By type, the board carries 18 diodes, 3 connectors and 1 capacitor.

It belongs with the displays & leds designs in this gallery.

From the project

KiCad files for a chainable NeoPixel butterfly.

This repository contains the [KiCad][5] and [Gerber][6] files for a PCB shaped like a butterfly. The butterfly contains 18 "NeoPixel" (WS-2812) LEDs. The butterflies can be chained together, and controlled by just about any microcontroller. However, I specifically had the [BBC micro:bit][16] in mind, and designed these chainable butterflies together with my [neo:bit][17] and [feather:bit][18] boards.

ButterflyChain, from the project README
From the project README

ButterflyChain bill of materials (BOM)

22 components, 5 distinct parts.

QtyPartRefs
1
Input
J1
1
Output
J2
1
Antennae
J3
18
Neopixel_THT
D1, D2, D3, D4, D5, D6, D7, D8 +10
1
47µF
C1

ButterflyChain design files

The KiCad project lives in the mignon-p/ButterflyChain repository on GitHub; these links point at the commit this page was built from.

ButterflyChain: common questions

How big is the ButterflyChain PCB?

The ButterflyChain measures 93.1 × 65.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ButterflyChain?

22 components, from 5 distinct parts. The full bill of materials is listed on this page.

Where can I download the ButterflyChain design files?

From the mignon-p/ButterflyChain repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the ButterflyChain design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which mignon-p chose for the repository.

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