HardLabs

Synharmonium

amminadabz·Synharmonium·Hardware/bass_keyboard/bass_keyboard.kicad_pcb

Synharmonium PCB layout, top view — open source board by amminadabz
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About the Synharmonium PCB

Synharmonium is an open source PCB design by amminadabz, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 291.3 × 154.8 mm, with 187 components from 11 distinct parts.

By type, the board carries 95 diodes and 1 connector.

It belongs with the keyboards, test & measurement and audio designs in this gallery.

From the project

A new kind of musical instrument.

But, if you want to use the Synharmonium's tuning technology with an external synthesizer, it also has full MIDI compatibility (with both DIN and USB).

If you have skills that could help this process along, feel free to join the project. Do send me an email first though, I'd like to know who I'm working with!

Synharmonium, from the project README
From the project README

Synharmonium bill of materials (BOM)

187 components, 11 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
302-S341
Conn_02x17_Top_Bottom
On Shore Technology Inc.
J1
82
MX-NoLED
MX_Ab-root1, MX_Ab_3rd1, MX_Ab_7, MX_Ab_dim1, MX_Ab_maj1, MX_Ab_min1, MX_An_3rd1, MX_An_7 +74
1
MX-NoLED
MX_down_half1
2
MX-NoLED
MX_down_oct1, MX_func0
1
MX-NoLED
MX_func4
2
MX-NoLED
MX_func8, MX_up_half1
1
MX-NoLED
MX_func11
1
MX-NoLED
MX_maj_dom1
1
MX-NoLED
MX_up_oct1
91
1N4148W-TP
D_Small
Micro Commercial Co
D1, D2, D3, D4, D5, D6, D7, D8 +83
4
LED_Filled
D92_Aug1, D93_Dim1, D94_Maj7, D95_Dom7

Synharmonium design files

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

Synharmonium: common questions

How big is the Synharmonium PCB?

The Synharmonium measures 291.3 × 154.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Synharmonium?

187 components, from 11 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 Synharmonium design files?

From the amminadabz/Synharmonium 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 Synharmonium design in my own project?

Yes, under the terms of its GPL-3.0 license, which amminadabz chose for the repository.

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