thisoldgeek
Published © GPL3+

NeoPixel Butterfly Brooch

Create a butterfly-shaped pin that can change color to match your clothes.

IntermediateFull instructions provided5 hours667

Things used in this project

Hardware components

Adafruit Trinket 3V
×2
Adafruit Neopixel Strip 60 per meter
Alternate: Adafruit Product 1312, RGB Smart NeoPixels, 4 to a pack, 6 needed
×1
Adafruit Pro Trinket LiPo Backpack
×1
Adafruit 6mm Tactile Push Button
20 to a pack, only one needed
×1
Adafruit LiPo Battery 150 mAh
×1
Slide Switch
Slide Switch
Also available as Adafruit Product 805 - turn brooch on/off under battery power
×1
Breadboard (generic)
Breadboard (generic)
For testing components as you go. Do you feel lucky?
×1

Software apps and online services

Arduino IDE
Arduino IDE
github Butterfly-Brooch
Trinket sketch, STL and Cura files, LED Diffuser drawing

Hand tools and fabrication machines

3D Printer (generic)
3D Printer (generic)
Mine: MonoPrice Mini Select
Soldering iron (generic)
Soldering iron (generic)
26 AWG Solid Wire - various colors
Connect NeoPixel strips and create a harness to hold the strips in place
Hot glue gun (generic)
Hot glue gun (generic)
Strain relief on NeoPixels and fasten components in case
M3 Machine screws, 5mm long, black - 2 needed
Attach cover to case
Delrin LED Diffuser or Heavy Card Stock, cut to shape of butterfly case
Used Delrin laser cut at Ponoko - you can too! See link in tutorial.
Magnetic Badge Holders
Secure to back of brooch, use to attach to clothing/scarf/bag - whatever...
Black PLA
For 3D printing the case. I used BAMTack, good stuff.

Story

Read more

Custom parts and enclosures

Butterfly Brooch Case

STL Model for butterfly-shaped case

Butterfly Brooch Top Cover

Screw-on cover for Butterfly Brooch

Code

Butterfly Brooch sketch on github

Load and glow...

Credits

thisoldgeek

thisoldgeek

8 projects • 10 followers
Getting my soul out of Corporate pawn, one Maker project at a time
Thanks to Adafruit.

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