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AS3397-Conductor

PhysicsDptAngers·polyUAnalog·hardware/conductor/AS3397-Conductor.kicad_pcb

AS3397-Conductor PCB layout, top view — open source Raspberry Pi board by PhysicsDptAngers
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About the AS3397-Conductor PCB

AS3397-Conductor is an open source Raspberry Pi PCB design by PhysicsDptAngers, published on GitHub under the MIT license. It is a 2-layer board measuring 97.3 × 97.8 mm, with 53 components from 32 distinct parts.

Its main chip is the SC0918, from the Raspberry Pi family. Other key parts include the 6N138 and OPA1679. By type, the board carries 20 connectors, 16 resistors, 9 capacitors, 5 diodes, 2 ICs and 1 module.

It belongs with the audio and iot & wireless designs in this gallery.

From the project

Open source, analog and polyphonic synthesizer

The Conductor Card serves as the central hub for the synthesizer, managing communication, power distribution, and analog signal summing. Its architecture is designed to interface external controls with internal voice modules.

The card manages multiple communication protocols to interface with the outside world:

MIDI: Standard MIDI IN port and an optional MIDI OUT header. I2C: Dedicated header for optional "Controllers" (e.g., a front panel equipped with knobs and sliders for real-time parameter control). Dedicated header for optional "FX card" Wireless (UDP): Support for UDP over Wi-Fi when…

Main components on the AS3397-Conductor

6N138OPA1679SC0918

AS3397-Conductor bill of materials (BOM)

53 components, 32 distinct parts.

QtyPartRefs
1
6N138
U2
1
OPA1679
U3
1
SC0918
A1
1
Micro_SD_Card
J1
1
ADC_connector
J2
1
Conn_01x06_Socket
J3
3
I2C controller
J4, J11, J15
2
Conn_01x02_Socket
J5, J14
1
AudioJack3
J6
1
Conn_POWER
J7
1
MIDI IN
J8
1
Conn_FX_1
J9
1
Conn_FX_2
J10
1
Conn_01x03_Socket_AudioOUT
J12
1
Conn_FX_3
J13
1
Conn_01x06_Socket_SPI
J16
2
Conn_01x03_Socket
J17, J18
1
Conn_Voice
J19
1
Conn_FX_4
J20
1
1N4148
D1
Show 12 more
QtyPartRefs
1
LED
D2
1
1N5819
D3
2
SK6812
D4, D5
4
120pF
C1, C2, C6, C7
5
100n
C3, C4, C5, C8, C9
1
1K
R1
2
51
R2, R3
4
10K
R9, R10, R22, R24
1
220
R18
5
4K7
R19, R27, R28, R29, R30
1
470
R20
2
5K1
R21, R26

AS3397-Conductor design files

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

AS3397-Conductor: common questions

What microcontroller does the AS3397-Conductor use?

The AS3397-Conductor is built around the SC0918, from the Raspberry Pi family.

How big is the AS3397-Conductor PCB?

The AS3397-Conductor measures 97.3 × 97.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the AS3397-Conductor?

53 components, from 32 distinct parts. The full bill of materials is listed on this page.

Where can I download the AS3397-Conductor design files?

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

Can I use the AS3397-Conductor design in my own project?

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

Can I test firmware for the AS3397-Conductor without the hardware?

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

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