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2 layers20 × 14 mmChromebook debug usb, the printed circuit board in 3D

Chromebook debug usb

taki-d/chromebook_debug_usb3

LCSC部品番号はJLCPCBアセンブリ設定で管理します。CPL X OffsetとCPL Y Offsetは、KiCad CLIが出力するフットプリント原点を、JLCPCB Toolsプラグインが使うパッド群の中心へ合わせる補正値(mm)です。部品やフットプリントを変更した場合は、このCSVも確認してください。未登録または不要になったDesignatorがあると生成処理は失敗します。

Size
20 × 14 mm
Copper layers
2
Thickness
1.6 mm
Parts
6
Nets
22
Pads
58
Tracks, vias
110, 6
Pours
1
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
22 Aug 2025
Updated
25 Aug 2026

Overview

Chromebook debug usb is an open-source printed circuit board by taki-d, from the taki-d/chromebook_debug_usb repository on GitHub, published under the MIT licence. It is a 2-layer board of 20 × 14 mm with 6 parts on 22 nets, routed with 110 tracks and 6 vias.

Its parts include 4 resistors and 2 connectors.

README

README.md

Chromebook Debug USB

JLCPCB製造ファイル

KiCad 10のCLIを使い、JLCPCBへアップロードできるGerber、BOM、CPLを生成できます。

sh
python3 scripts/generate_jlcpcb.py \
  --project chromebook_debug_usb.kicad_pro \
  --assembly jlcpcb/assembly.csv \
  --output build/jlcpcb

CIではGerber出力時にもゾーンを再検査・再充填するため、さらに--check-zonesを指定しています。

生成物はbuild/jlcpcb/の次の3ファイルです。

  • GERBER-chromebook_debug_usb.zip
  • BOM-chromebook_debug_usb.csv
  • CPL-chromebook_debug_usb.csv

LCSC部品番号はJLCPCBアセンブリ設定で管理します。CPL X OffsetとCPL Y Offsetは、KiCad CLIが出力するフットプリント原点を、JLCPCB Toolsプラグインが使うパッド群の中心へ合わせる補正値(mm)です。部品やフットプリントを変更した場合は、このCSVも確認してください。未登録または不要になったDesignatorがあると生成処理は失敗します。

通常のpushとpull requestではERC、DRC、アセンブリ設定の整合性を検査します。タグをpushすると全検査後に3つの製造ファイルを生成し、同名のGitHub Releaseを作成(存在する場合は更新)して添付します。

Parts

6
QtyValueFootprintReferences
25.1kResistor_SMD:R_0603_1608MetricR1, R2
122kResistor_SMD:R_0603_1608MetricR3
145.3kResistor_SMD:R_0603_1608MetricR4
1USB_C_Plugtaki:GT-USB-8013AJ2
1USB_C_Receptacle_USB2.0_16Ptaki:918-418K2023S40001J1

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Questions

How big is the Chromebook debug usb PCB?

It measures 20 × 14 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Chromebook debug usb use?

6 parts. 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 Chromebook debug usb KiCad files?

From the taki-d/chromebook_debug_usb repository on GitHub, at the commit this page was made from: the board is chromebook_debug_usb.kicad_pcb and its schematic chromebook_debug_usb.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Chromebook debug usb design in my own project?

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