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2 layers51 × 51 mmCompatible chan v0-led, the printed circuit board in 3D

Compatible chan v0-led

taka-tuos/compatible-chan1

M5Stack compatible module for stack-chan

Size
51 × 51 mm
Copper layers
2
Thickness
1.6 mm
Parts
19
Nets
43
Pads
109
Tracks, vias
299, 90
Pours
1
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
31 Jul 2024
Updated
25 Aug 2024

Overview

Compatible chan v0-led is an open-source printed circuit board by taka-tuos, from the taka-tuos/compatible-chan repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 51 × 51 mm with 19 parts on 43 nets, routed with 299 tracks and 90 vias.

It is built around the MAX7219M and 788BS. Its parts include 4 capacitors, 3 connectors, 2 resistors, 2 ICs and 2 diodes.

Main components

2

README

README.md

compatible-chan

スタックチャン 用の自由なCoreモジュール (GPLv3)

・ _ ・

v0.1-led 788bs版の動作の様子

このプロジェクトのスコープ

  • スタックチャンのCoreモジュールに自由な選択肢を追加することが目的
  • M5Stack系の製品を広範に置き換えるものではない (スタックチャンに必要な機能のみを実装する)

FAQ

Q. M5Stackって「オープンハードウェア」では?

A. 各種ピン仕様や回路図こそオープンではあるが、シェルのCADデータやガーバーファイル、BOM等が公開されていないので「自由」ではない(と自分は考えている)。

Q. 自由でないと何がダメ?

A. スタックチャンは「サ終とともに死ぬロボットはアカン(意訳)」という思想を含んでいて^1、M5Stackの供給が止まると死ぬ状況はよろしくないはず。
(実際オンラインに依存していない旧AIBOシリーズでも、部品供給が無いのでバタバタ死んでいる)
またM5Stackの仕様に縛られる状況でその打開ができないのもよろしくない(よく挙がる例としてはスピーカーとマイクが排他なことなど)

Parts

19
QtyValueFootprintReferences
4M2MountingHole:MountingHole_2.2mm_M2_DIN965_PadH1, H2, H3, H4
2100nCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC1, C2
210kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR1, R2
210uCapacitor_Tantalum_SMD:CP_EIA-2012-15_AVX-P_Pad1.30x1.05mm_HandSolderC3, C4
2788BSakn_misc:LED_8x8_1.9MM_20x20MMD1, D2
2MAX7219Package_SO:SOIC-24W_7.5x15.4mm_P1.27mmU1, U2
1EXTConnector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_HorizontalJ1
1SERVO1Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalJ2
1SERVO2Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalJ3

The 17 most common of 19 parts.

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Questions

How big is the Compatible chan v0-led PCB?

It measures 51 × 51 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Compatible chan v0-led use?

19 parts, built around the MAX7219M and 788BS. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Compatible chan v0-led KiCad files?

From the taka-tuos/compatible-chan repository on GitHub, at the commit this page was made from: the board is compatible-chan-v0-led/compatible_chan-v0-led.kicad_pcb and its schematic compatible-chan-v0-led/compatible_chan-v0-led.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Compatible chan v0-led design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).