2 layers56 × 65 mm
SeaTalk1
dotnet/iot
This repo includes .NET Core implementations for various IoT boards, chips, displays and PCBs.
24 parts2.4kMIT
2 layers70.5 × 41.9 mm
Audio controller 3x2
janelia-kicad/audio_controller_3x2This board plays audio through a pcb mounted speaker and/or external stereo speakers.
- Size
- 70.5 × 41.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 24
- Nets
- 26
- Pads
- 128
- Tracks, vias
- 283, 7
- Routed
- Yes
- KiCad
- KiCad 5 (file 20170922)
- Created
- 24 Mar 2017
- Updated
- 23 Feb 2022
Overview
Audio controller 3x2 is an open-source printed circuit board by janelia-kicad, from the janelia-kicad/audio_controller_3x2 repository on GitHub. It is a 2-layer board of 70.5 × 41.9 mm with 24 parts on 26 nets, routed with 283 tracks and 7 vias.
It is built around the LM48310SD. Its parts include 13 capacitors, 4 resistors, 3 ICs, 1 connector and 1 inductor. It belongs with the audio and music boards of this library.
Main components
1README
README.md[blocked]
Repository Information
- Name: audio_controller_3x2
- Version: 1.2
- License: Open-Source Hardware
- URL: https://github.com/janelia-kicad/audio_controller_3x2
- Author: Peter Polidoro
- Email: peter@polidoro.io
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Description
This board plays audio through a pcb mounted speaker and/or external stereo speakers.
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Images
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Schematic
./schematic/audio_controller_3x2.pdf
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Gerbers
Send gerbers zip file to your favorite PCB manufacturer for fabrication.
./gerbers/audio_controller_3x2_v1.2.zip
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Bill of Materials
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PCB Parts
| Item | Reference(s) | Quantity | PartNumber | Vendor | Description |
|---|---|---|---|---|---|
| 1 | C1 C13 C3 C6 | 4 | 399-13229-1-ND | digikey | CAP CER 0.1UF 100V X7R 1210 |
| 2 | C10 C11 | 2 | 399-8219-1-ND | digikey | CAP CER 1UF 100V X7R 1210 |
| 3 | C12 C2 C5 C7 | 4 | 478-3591-1-ND | digikey | 2.2uF 50V Ceramic Capacitor X7R 1210 |
| 4 | C4 | 1 | 399-15599-1-ND | digikey | 0.15uF 100V Ceramic Capacitor X7R 1210 |
| 5 | C8 C9 | 2 | 478-5964-1-ND | digikey | CAP CER 3300PF 2KV X7R 1210 |
| 6 | J1 | 1 | CP-3523SJCT-ND | digikey | 3.50mm Headphone Phone Jack Stereo Connector Solder |
| 7 | L1 | 1 | 587-1755-1-ND | digikey | FERRITE BEAD 600 OHM 1210 1LN |
| 8 | MDB1 | 2 | S1011E-16-ND | digikey | 16 Position Header Through Hole Male Pins |
| 9 | R1 R2 R3 R4 | 4 | P2.21KAACT-ND | digikey | RES SMD 2.21K OHM 1% 1/2W 1210 |
| 10 | SP1 | 1 | 102-3539-1-ND | digikey | SPEAKER 8OHM 300MW TOP PORT 87DB |
| 11 | U1 | 1 | SGTL5000XNAA3R2CT-ND | digikey | Stereo Audio Interface 32-QFN |
| 12 | U2 | 1 | AP7313-15SAG-7DICT-ND | digikey | Linear Voltage Regulator IC Positive Fixed 1 Output 1.5V 150mA SOT-23-3 |
| 13 | U3 | 1 | LM48310SD/NOPBCT-ND | digikey | IC AMP AUDIO PWR 2.6W MONO 10SON |
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Supplemental Parts
| Item | Quantity | PartNumber | Vendor | Description |
|---|---|---|---|---|
| 1 | 1 | N82E16836121042 | newegg | Logitech Z130 5W Speakers |
[blocked]
Vendor Parts Lists
./bom/supplemental_newegg_parts.csv
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Supplemental Documentation
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Assembly Instructions
- Solder surface mount and through hole components onto the pcb.
Parts
24| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 0.1uF | audio_controller_3x2:SM1210 | C1, C3, C6, C13 |
| 4 | 2.21k | audio_controller_3x2:SM1210 | R1, R2, R3, R4 |
| 4 | 2.2uF | audio_controller_3x2:SM1210 | C2, C5, C7, C12 |
| 2 | 1uF | audio_controller_3x2:SM1210 | C10, C11 |
| 2 | 3.3nF | audio_controller_3x2:SM1210 | C8, C9 |
| 1 | 0.15uF | audio_controller_3x2:SM1210 | C4 |
| 1 | 600 | audio_controller_3x2:SM1210 | L1 |
| 1 | AP7313_1.5V | audio_controller_3x2:SOT-23-3 | U2 |
| 1 | AUDIO_JACK_3.5MM | audio_controller_3x2:AUDIO_JACK_3.5MM_3PIN | J1 |
| 1 | LM48310 | audio_controller_3x2:10-WFDFN_EXPOSED_PAD | U3 |
| 1 | MODULAR_DEVICE_BASE_3X2_MALE | audio_controller_3x2:MODULAR_DEVICE_BASE_3X2_MALE | MDB1 |
| 1 | SGTL5000 | audio_controller_3x2:QFN-5x5-32 | U1 |
| 1 | SPEAKER_8OHM_300MW | audio_controller_3x2:SPEAKER_8OHM_300MW | SP1 |
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Questions
How big is the Audio controller 3x2 PCB?
It measures 70.5 × 41.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Audio controller 3x2 use?
24 parts, built around the LM48310SD. 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 Audio controller 3x2 KiCad files?
From the janelia-kicad/audio_controller_3x2 repository on GitHub, at the commit this page was made from: the board is audio_controller_3x2.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Audio controller 3x2 design in my own project?
Its repository states no licence, so its author keeps all rights: ask janelia-kicad before reusing the design.