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XPS:Channel:Controller

yu2924·XPS·pcb/Controller.kicad_pcb

XPS:Channel:Controller PCB layout, top view — open source AVR/Arduino board by yu2924
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About the XPS:Channel:Controller PCB

XPS:Channel:Controller is an open source AVR/Arduino PCB design by yu2924, published on GitHub under the CC0-1.0 license. It is a 2-layer board measuring 40.6 × 30.5 mm, with 20 components from 15 distinct parts.

Its main chip is the ATTINY44A-PU, from the AVR/Arduino family. Other key parts include the L78L33_SOT89. By type, the board carries 9 resistors, 4 capacitors, 3 connectors, 2 ICs and 1 switch.

It belongs with the audio, power & battery and test & measurement designs in this gallery.

From the project

preamplifier & power distributor for instruments

- XPS - 1. 概要 - 2. ツールとマテリアル - 3. 回路の略解 - 3-1. 主電源 (XPS:PS-AC, XPS:PS-DC) - 3-2. バッファアンプ (XPS:Channel) - 3-3. 給電回路 (XPS:Channel:XPower) - 3-4. コントローラ (XPS:Channel:Controller) とファームウェア - 4. 筐体と組み立て - 補遺 - Appendix 1. 電気楽器の外側から給電する仕組み - Appendix 2. レギュレータの損失のシミュレーション - Appendix 3. 平衡ドライバの素子感度 - Appendix 4. フリーソフトでCMYKデータを出力する手順

XPSはDTM用途を想定した、電気ギターなどの電気楽器をオーディオ機器の平衡ライン入力に接続するためのフロントエンドです。ハイインピーダンスのバッファアンプと、アクティブサーキットのための給電回路 (Appendix 1) を備えます。

XPS:Channel:Controller, from the project README
From the project README

Main components on the XPS:Channel:Controller

L78L33_SOT89ATTINY44A-PU

XPS:Channel:Controller bill of materials (BOM)

20 components, 15 distinct parts.

QtyPartRefs
1
L78L33_SOT89
U1
1
ATTINY44A-PU
U2
1
CH-CTRL
J1
1
CTRL-CPL
J2
1
ISP
J3
1
10k
RV1
1
RESET
SW1
1
330n
C1
2
100n
C2, C3
1
1u
C4
2
1k
R1, R2
3
100k
R3, R4, R5
1
6.2k
R6
1
10k
R7
2
4.7k
R8, R9

XPS:Channel:Controller design files

The KiCad project lives in the yu2924/XPS repository on GitHub; these links point at the commit this page was built from.

XPS:Channel:Controller: common questions

What microcontroller does the XPS:Channel:Controller use?

The XPS:Channel:Controller is built around the ATTINY44A-PU, from the AVR/Arduino family.

How big is the XPS:Channel:Controller PCB?

The XPS:Channel:Controller measures 40.6 × 30.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the XPS:Channel:Controller?

20 components, from 15 distinct parts. The full bill of materials is listed on this page.

Where can I download the XPS:Channel:Controller design files?

From the yu2924/XPS repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the XPS:Channel:Controller design in my own project?

Yes, under the terms of its CC0-1.0 license, which yu2924 chose for the repository.

Can I test firmware for the XPS:Channel:Controller without the hardware?

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

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