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2 layers25.4 × 177.8 mmModulinPowerSupply, the printed circuit board in 3D

ModulinPowerSupply

ConDarth/modulin

This repository holds all data for th modulin I am building. The concept behind this design is to make a fully analog synthesizer using only standard components, with a fun control system based on a violin.

Size
25.4 × 177.8 mm
Copper layers
2
Thickness
1.6 mm
Parts
23
Nets
6
Pads
69
Tracks, vias
46, 0
Pours
1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
7 May 2025
Updated
26 Aug 2026

Overview

ModulinPowerSupply is an open-source printed circuit board by ConDarth, from the ConDarth/modulin repository on GitHub. It is a 2-layer board of 25.4 × 177.8 mm with 23 parts on 6 nets, routed with 46 tracks and 0 vias.

Its parts include 10 capacitors, 4 diodes, 2 ICs and 2 connectors.

README

README.md

Modulin

This repository holds all data for th modulin I am building. The concept behind this design is to make a fully analog synthesizer using only standard components, with a fun control system based on a violin. This project is mostly based on a design Martin Molin of Wintergatan. An explanation of his design can be found here.

My goal in improving this design is to make it more accessible. His design uses 9 or so prebuilt modules meant for modular synthesizers, each of which costs in the range of 70$+ making the instrument quite expensive for a diy build. I took inspiration from the modular synth DIY community to instead try and build the necessary modules from scratch using only much cheaper standard electronics components. The components I am limiting myself to are resistors, capacitors, inductors/transformers, diodes, transistors (both BJT and FET), op amps and linear voltage regulators.

Parts

23
QtyValueFootprintReferences
64700uFUser:C_Radial_Polarized_P7.50mm_CNCC1, C2, C3, C4, C5, C6
41N4001User:D_P10.16mm_CNCD1, D2, D3, D4
41uFUser:C_Rect_P5.00mm_CNCC7, C8, C9, C10
1LM7812_TO220User:TO-220_CNCU1
1LM7912_TO220User:TO-220_CNCU2
1Screw_Terminal_01x02User:TerminalBlock_1x2_CNCJ1
1Screw_Terminal_01x03User:TerminalBlock_1x3_CNCJ2

The 18 most common of 23 parts.

Questions

How big is the ModulinPowerSupply PCB?

It measures 25.4 × 177.8 mm and has 2 copper layers, 1.6 mm thick.

What parts does the ModulinPowerSupply use?

23 parts. 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 ModulinPowerSupply KiCad files?

From the ConDarth/modulin repository on GitHub, at the commit this page was made from: the board is modulinPowerSupply/modulinPowerSupply.kicad_pcb and its schematic modulinAmplifier/modulinAmplifier.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the ModulinPowerSupply design in my own project?

Its repository states no licence, so its author keeps all rights: ask ConDarth before reusing the design.

More from ConDarth/modulin

7
  • 2 layers88.9 × 177.8 mmModulinVCO, the printed circuit board in 3D

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  • 2 layers76.2 × 50.8 mmModulinVCA, the printed circuit board in 3D

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  • 2 layers76.2 × 50.8 mmModulinAmplifier, the printed circuit board in 3D

    ModulinAmplifier

    ConDarth/modulin

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  • 2 layers74.9 × 62.2 mmModulinTest, the printed circuit board in 3D

    ModulinTest

    ConDarth/modulin

    This repository holds all data for th modulin I am building. The concept behind this design is to make a fully analog synthesizer using only standard components, with a fun control system based on a violin.

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  • 2 layers76.2 × 50.8 mmModulinControl, the printed circuit board in 3D

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    23 parts

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