2 layers94.5 × 66 mm
Seiza ittose
TokyoTech-Astro/Planetarium
planetarium: 回路データ \ planetarium : 各年にデプロイされたシステム \ memo: メモ(モーターの型番や星座とプレートナンバーの対応などの基本情報)
36 parts1
2 layers94.5 × 66 mm
Kousei v2
TokyoTech-Astro/Planetarium1planetarium: 回路データ \ planetarium : 各年にデプロイされたシステム \ memo: メモ(モーターの型番や星座とプレートナンバーの対応などの基本情報)
- Size
- 94.5 × 66 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 45
- Nets
- 23
- Pads
- 119
- Tracks, vias
- 184, 232
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 1 Oct 2018
- Updated
- 10 Oct 2026
Overview
Kousei v2 is an open-source printed circuit board by TokyoTech-Astro, from the TokyoTech-Astro/Planetarium repository on GitHub. It is a 2-layer board of 94.5 × 66 mm with 45 parts on 23 nets, routed with 184 tracks and 232 vias.
It is built around the CL6808. Its parts include 8 resistors, 8 connectors, 6 capacitors, 6 ICs and 6 diodes.
Main components
1README
README.mdディレクトリ構成
planetarium: 回路データ
planetarium<西暦>: 各年にデプロイされたシステム
memo: メモ(モーターの型番や星座とプレートナンバーの対応などの基本情報)
Bluetoothオーディオの使い方
スピーカーとの接続方法
bluetoothctlを使う
$ bluetoothctlデバイスの電源オン
# power on
# agent onスキャン
# scan on
# scan offペアリング（スキャンで得たアドレスを指定する）
# pair 30:21:B0:70:83:33
# trust接続
# connect 30:21:B0:70:83:33音声の確認
aplay /usr/share/sounds/alsa/*yt-dlp "https://www.youtube.com/watch?v=j7CDb610Bg0" -f bestaudio -o - | mplayer - -novideoParts
45| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 0.1 | Resistor_SMD:R_2512_6332Metric | R1, R2, R3, R4, R5, R6 |
| 6 | 4.7μ | Capacitor_SMD:C_1206_3216Metric | C1, C2, C3, C4, C5, C6 |
| 6 | 68μ | Inductor_SMD:L_Taiyo-Yuden_NR-10050_9.8x10.0mm | L1, L2, L3, L4, L5, L6 |
| 6 | CL6808 | Package_TO_SOT_SMD:SOT-89-5 | U1, U2, U3, U4, U5, U6 |
| 6 | Conn_01x02 | 2060-452_998-404:2060-452_998-404 | J3, J4, J5, J6, J7, J8 |
| 6 | D_Schottky | Diode_SMD:D_SOD-123F | D1, D2, D3, D4, D5, D6 |
| 1 | 100 | Resistor_SMD:R_0402_1005Metric | R7 |
| 1 | 100k | Resistor_SMD:R_0402_1005Metric | R8 |
| 1 | Conn_01x03 | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J2 |
| 1 | Jack-DC | DCJack:DCJack | J13 |
| 1 | Q_NMOS | Package_TO_SOT_SMD:TSOT-23_HandSoldering | Q1 |
The 41 most common of 45 parts.
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Questions
How big is the Kousei v2 PCB?
It measures 94.5 × 66 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Kousei v2 use?
45 parts, built around the CL6808. 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 Kousei v2 KiCad files?
From the TokyoTech-Astro/Planetarium repository on GitHub, at the commit this page was made from: the board is planetarium/kousei_v2/kousei_v2.kicad_pcb and its schematic planetarium/kousei_v2/kousei_v2.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Kousei v2 design in my own project?
Its repository states no licence, so its author keeps all rights: ask TokyoTech-Astro before reusing the design.