HardLabs

Bionic-Butterfly

CookieCodesAI·Bionic-Butterfly·custom_pcb/bionic_butterfly.kicad_pcb

Bionic-Butterfly PCB layout, top view — open source Raspberry Pi board by CookieCodesAI
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About the Bionic-Butterfly PCB

Bionic-Butterfly is an open source Raspberry Pi PCB design by CookieCodesAI, published on GitHub under the MIT license. It is a 2-layer board measuring 39.5 × 51.5 mm, with 23 components from 19 distinct parts.

Its main chip is the RaspberryPi_Pico_W, from the Raspberry Pi family. By type, the board carries 1 module, 1 switch, 1 LED, 1 diode and 1 inductor.

It belongs with the robotics & motion and power & battery designs in this gallery.

From the project

A butterfly-like drone that can be manually controlled.

The wings will be made with flower paper and carbon fiber to make sure that they don't weigh too much. Additionally, the wings will be connected to the servo horns with a connector that I will make and mold to make sure that it fits perfectly.

The PCB will be able to fit in the gap in the middle of the body. The servos will be placed on the angled sides of the main body and the wires will be connected as shown in the wiring diagram. The 2S LiPo battery is the yellow rectangle that was measured with the dimensions of the LiPo battery in my BOM.

Bionic-Butterfly, from the project README
From the project README

Main components on the Bionic-Butterfly

RaspberryPi_Pico_W

Bionic-Butterfly bill of materials (BOM)

23 components, 19 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
RaspberryPi_Pico_W
A1
2
100uF
C_3V3, C_BAT1
2
100nF
C_3V3_bypass1, C_5V_bypass1
1
100uF
C_5V1
1
Conn_01x02_Socket
J_BAT1
1
Conn_01x03_Pin
J_DBG1
1
Conn_01x08_Pin
J_EXT1
2
Conn_01x03_Pin
J_SRV1, J_SRV2
1
~
MCP73831
1
~
MT3608
1
100k
R_FB1
1
36k
R_FB2
1
1k
R_LED1
1
2k
R_PROG1
2
47
R_SRV1, R_SRV2
1
SW_SPDT
SW1
1
LED
LED_CHG1
1
SS14
D1
1
4.7uH
L1

Bionic-Butterfly design files

The KiCad project lives in the CookieCodesAI/Bionic-Butterfly repository on GitHub; these links point at the commit this page was built from.

Bionic-Butterfly: common questions

What microcontroller does the Bionic-Butterfly use?

The Bionic-Butterfly is built around the RaspberryPi_Pico_W, from the Raspberry Pi family.

How big is the Bionic-Butterfly PCB?

The Bionic-Butterfly measures 39.5 × 51.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Bionic-Butterfly?

23 components, from 19 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Bionic-Butterfly design files?

From the CookieCodesAI/Bionic-Butterfly repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Bionic-Butterfly design in my own project?

Yes, under the terms of its MIT license, which CookieCodesAI chose for the repository.

Can I test firmware for the Bionic-Butterfly without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.

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