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Mother ring-03

sastles-com·FPC-isolation-sphere·kiban/mother-ring-03/mother-ring-03.kicad_pcb

Mother ring-03 PCB layout, top view — open source ESP32 board by sastles-com

About the Mother ring-03 PCB

Mother ring-03 is an open source ESP32 PCB design by sastles-com, published on GitHub. It is a 2-layer board measuring 88 × 88 mm, with 24 components from 17 distinct parts.

Its main chip is the ESP32-01, from the ESP32 family. By type, the board carries 15 connectors, 5 resistors, 3 capacitors and 1 inductor.

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

From the project

直径 100 mm の球体 LED ディスプレイ。約 800 個の WS2812-2020 を ゴールドバーグ多面体 T=81 の球面に配置した "デジタル地球儀" 風ピクセルディスプレイ。

直径 100 mm の球体 LED ディスプレイ。約 800 個の WS2812-2020 を ゴールドバーグ多面体 T=81 の球面に配置した "デジタル地球儀" 風ピクセルディスプレイ。

A 100 mm spherical LED display with ~800 WS2812-2020 pixels arranged on a Goldberg polyhedron (T=81) shell.

前作はスパイラル配線＋接着剤固定で LED 1 個の故障が全損につながる設計だった。 V2 では カセット交換式・接着剤ゼロ に全面刷新する。

- [x] Goldberg T=81 メッシュ生成（goldberg.py） - [x] カセット分割・可視化（Blender Python） - [x] ヘキサゴン錐 + 円柱アパーチャの Boolean 生成（aperturebooleandemo.py） - [ ] カセット外殻 STL 完成 - [ ] FPC（骨組み基板）KiCad 設計 - [ ] 極専用 Rigid PCB × 2 - [ ] 赤道マザーリング基板 - [ ] ファームウェア（ESP32）

Mother ring-03 bill of materials (BOM)

24 components, 17 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LED01
J1
1
LED02
J2
1
LED03
J3
1
LED04
J4
1
LED05
J5
1
POWER-01
J6
1
POWER-02
J7
2
ESP32-01
J8, J9
1
CHARGE
J10
2
POWER
J11, J15
1
5V
J12
1
3V3
J13
1
BATTERY
J14
1
FerriteBead
FB1
1
10UF
10uF
C10
2
0.1UF
0.1uF
C11, C12
5
33Ω
R1, R2, R3, R4, R5

Mother ring-03 design files

The KiCad project lives in the sastles-com/FPC-isolation-sphere repository on GitHub; these links point at the commit this page was built from.

Mother ring-03: common questions

What microcontroller does the Mother ring-03 use?

The Mother ring-03 is built around the ESP32-01, from the ESP32 family.

How big is the Mother ring-03 PCB?

The Mother ring-03 measures 88 × 88 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mother ring-03?

24 components, from 17 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 Mother ring-03 design files?

From the sastles-com/FPC-isolation-sphere 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 Mother ring-03 design in my own project?

The repository has no license, so all rights stay with sastles-com. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Mother ring-03 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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