Audio board wm8731

centrevillage·ideal-groove-box·hardware/pcb/projects/audio-board-wm8731/audio-board-wm8731.kicad_pcb

Audio board wm8731 layout, top view — open source board by centrevillage

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About the Audio board wm8731

Audio board wm8731 is an open source PCB design by centrevillage, published on GitHub under the MIT license. It is a 2-layer board measuring 20.3 × 43.2 mm, with 31 components from 13 distinct parts.

Other key parts include the wm8731_qfn. By type, the board carries 16 capacitors, 11 resistors, 2 connectors, 1 IC and 1 crystal.

It belongs with the audio designs in this gallery.

From the project

理想のグルーブボックスは俺たちの手で作る

~~下記ページに開発Slackの招待リンクがあります。~~ ~~どなたでもご自由にご参加ください！~~

設計思想も変わっているので、こちらのリポジトリはどこかのタイミングで整理する予定です。

Main components on the Audio board wm8731

Audio board wm8731 bill of materials (BOM)

31 components, 13 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	wm8731_qfn	QFN-28_4x4mm_P0.5mm	U1
1	12.288MHz	Crystal_SMD_Abracon_ABM3-2pin_5.0x3.2mm_hand	Y1
2	Conn_01x12	PinHeader_1x12_P2.54mm_Vertical	J1, J2
4	1u	C_Rect_L7.0mm_W4.5mm_P5.00mm	C1, C3, C10, C14
2	220p	C_0603_1608Metric	C2, C4
5	100n	C_0402_1005Metric	C5, C6, C12, C15, C16
2	18p	C_0402_1005Metric	C7, C9
2	100u	C_1206_3216Metric	C8, C11
1	10u	C_1206_3216Metric	C13
4	10k	R_0805_2012Metric	R1, R2, R3, R4
4	100k	R_0805_2012Metric	R5, R8, R9, R11
1	0	R_0603_1608Metric	R6
2	100	R_0805_2012Metric	R7, R10

Audio board wm8731 design files

The KiCad project lives in the centrevillage/ideal-groove-box repository on GitHub; these links point at the commit this page was built from.

Audio board wm8731: common questions

How big is the Audio board wm8731?

The Audio board wm8731 measures 20.3 × 43.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Audio board wm8731?

31 components, from 13 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 Audio board wm8731 design files?

From the centrevillage/ideal-groove-box repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Audio board wm8731 design in my own project?

Yes, under the terms of its MIT license, which centrevillage chose for the repository.

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