SomaAudio
About the SomaAudio PCB
SomaAudio is an open source PCB design by graysonarts, published on GitHub. It is a 4-layer board measuring 50 × 100 mm, with 15 components from 12 distinct parts.
Other key parts include the DG406DJ and MCP23017_SP. By type, the board carries 8 connectors, 3 resistors, 2 ICs and 2 capacitors.
It belongs with the audio designs in this gallery.
From the project
Society's Obedience through Managed Audio
Main components on the SomaAudio
SomaAudio bill of materials (BOM)
15 components, 12 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | DG406DJ | DG407 | IC1 |
| 1 | MCP23017_SP | DIP-28_W7.62mm | U1 |
| 2 | 0.1UF 0.1uF | SIP-9_21.54x3mm_P2.54mm | CN1, CN2 |
| 1 | Audio GND + | TerminalBlock_Phoenix_MPT-0,5-12-2.54_1x12_P2.54mm_Horizontal | J2 |
| 1 | Audio Out | TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J3 |
| 1 | VIN | TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J4 |
| 1 | Audio IN 1 | TerminalBlock_Phoenix_MPT-0,5-8-2.54_1x08_P2.54mm_Horizontal | J5 |
| 1 | Audio IN 2 | TerminalBlock_Phoenix_MPT-0,5-4-2.54_1x04_P2.54mm_Horizontal | J6 |
| 1 | I2C | JST_EH_S4B-EH_1x04_P2.50mm_Horizontal | J17 |
| 2 | 0.1 uF | C_Axial_L3.8mm_D2.6mm_P7.50mm_Horizontal | C1, C2 |
| 1 | 0 OHM | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1 |
| 2 | 4.7K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R2, R3 |
SomaAudio design files
The KiCad project lives in the graysonarts/soma repository on GitHub; these links point at the commit this page was built from.
SomaAudio: common questions
How big is the SomaAudio PCB?
The SomaAudio measures 50 × 100 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the SomaAudio?
15 components, from 12 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 SomaAudio design files?
From the graysonarts/soma repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the SomaAudio design in my own project?
The repository has no license, so all rights stay with graysonarts. Use it as a reference, and ask the author before reusing the design.
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