Mic array 24
About the Mic array 24 PCB
Mic array 24 is an open source PCB design by scarbajali, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 150 × 150 mm, with 79 components from 7 distinct parts.
Other key parts include the MIC. By type, the board carries 34 capacitors, 28 ICs, 2 relays and 1 connector.
From the project
PCB of a 24-MEMS microphones array
Main components on the Mic array 24
Mic array 24 bill of materials (BOM)
79 components, 7 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 28 | MIC | MIC_WM7216 | U1, U2, U3, U4, U5, U6, U7, U8 +20 |
| 1 | CON40A | PinSocket_2x20_P2.54mm_Vertical | J1 |
| 2 | 74LV244 | SSOP-20_4.4x6.5mm_P0.65mm | K1, K2 |
| 14 | Tie | bridge_1x2_0.12mm | NT1, NT2, NT3, NT4, NT5, NT6, NT7, NT8 +6 |
| 2 | 100n | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C1, C2 |
| 4 | 100u | CP_Elec_3x5.3 | C3, C4, C5, C6 |
| 28 | 0.1u | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C7, C8, C9, C10, C11, C12, C13, C14 +20 |
Mic array 24 design files
The KiCad project lives in the scarbajali/mic_array_24 repository on GitHub; these links point at the commit this page was built from.
- Layoutmic-array.kicad_pcb
Mic array 24: common questions
How big is the Mic array 24 PCB?
The Mic array 24 measures 150 × 150 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Mic array 24?
79 components, from 7 distinct parts. The full bill of materials is listed on this page.
Where can I download the Mic array 24 design files?
From the scarbajali/mic_array_24 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Mic array 24 design in my own project?
Yes, under the terms of its GPL-3.0 license, which scarbajali chose for the repository.