2 layers30.5 × 68.6 mm Dc power, the printed circuit board in 3D

Dc power

Modular Synths for Everyone

Size: 30.5 × 68.6 mm
Copper layers: 2
Thickness: 1.6 mm
Parts: 10
Nets: 6
Pads: 31
Tracks, vias: 32, 28
Routed: Yes
KiCad: KiCad 8.0 (file 20240108)
Created: 4 Oct 2024
Updated: 25 Oct 2026

Overview

Dc power is an open-source printed circuit board by bread-modular, from the bread-modular/bread-modular repository on GitHub, published under the MIT licence. It is a 2-layer board of 30.5 × 68.6 mm with 10 parts on 6 nets, routed with 32 tracks and 28 vias.

It is built around the AMS1117-5.0. Its parts include 4 capacitors, 1 IC and 1 connector. It belongs with the audio and music boards of this library.

Main components

AMS1117-5.0
SOT-223-40℃~+125℃ 1 1.3V 15V 1A 5V 60dB Fixed Positive Short Circuit Protection、Thermal shutdown SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators

README

README.md

Bread Modular

An open-source hardware modular synthesizer format designed to be minimalistic and cost-effective: USB-powered, breadboard-friendly, with analog/digital modules and MIDI alongside CV & Gate.

Find your starting point

Build or explore: modules, specification, common parts.
Set up KiCad libraries: workspace/library setup. Projects use the shared opt/fp-lib-table; initialization copies local submodules rather than cloning them.
Check/export/source parts: KiCad toolkit. Canonical tools, JLCPCB utilities and skills live under opt/kicad-tools/.

KiCad quick start

python3 -B opt/kicad-tools/kicad_tools.py --help
python3 -B opt/kicad-tools/kicad_tools.py doctor
python3 -B opt/kicad-tools/kicad_tools.py export --help

Python + installed KiCad CLI; no extra packages for core tools. Private checks, Gerber/BOM/CPL export, native netlist helpers and read-only sourcing have distinct requirements and safety boundaries. Exports are not electrical/release/order approval; keep frozen module scripts and production designs untouched. Historical opt/kicad-jlcpcb and .agents/skills/{kicad-workflow,jlcpcb-assembly} resolve through relative compatibility symlinks.

Agents: start with the KiCad workflow skill or assembly skill, then actual CLI help.

Project references

Module catalog · Modular MIDI · PCB assembly

Project image and full feature overview

Bread Modular

Modular design: Just like Eurorack.
USB-powered: It can be portable.
Minimal design: Cost-effective.
Modular MIDI support: Communicate between modules; CV & Gate still supported.
Analog and digital signal paths: It’s your choice.
Diverse built-in modules: A wide range of pre-designed modules.
Configurable digital modules: Voice and CV using AtTiny 1616 or ESP32.
Fully open source: Schematics, PCB designs and code.
Ease of customization: Create modules tailored to your needs.
No case required: Use directly on a breadboard or a simple base module.

Parts

Qty	Value	Footprint	References
2	0.1uf	Capacitor_SMD:C_0805_2012Metric	C2, C4
2	10uf	Capacitor_SMD:C_0805_2012Metric	C1, C3
2	Conn_01x05_Pin	Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical	5V1, GND1
2	GZ2012E800TF	Capacitor_SMD:C_0805_2012Metric	FB1, FB2
1	AMS1117-5.0	Package_TO_SOT_SMD:SOT-223	U1
1	Barrel_Jack_Switch	BreadModular_DC:DC-182-25A	J1

Questions

How big is the Dc power PCB?

It measures 30.5 × 68.6 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Dc power use?

10 parts, built around the AMS1117-5.0. 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 Dc power KiCad files?

From the bread-modular/bread-modular repository on GitHub, at the commit this page was made from: the board is modules/_deprecated/dc_power/dc_power.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Dc power design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

Category and platform

Audio and music

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/bread-modular-bread-modular-dc-power" title="Dc power in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/boards/bread-modular-bread-modular-dc-power.jpg" alt="Dc power" width="1200" height="900">

A picture that opens the board, for a README

[![Dc power](https://pcbkit.io/embed/boards/bread-modular-bread-modular-dc-power.jpg?size=s)](https://pcbkit.io/boards/bread-modular-bread-modular-dc-power)

Source

Repository: bread-modular/bread-modular
Board file: modules/_deprecated/dc_power/dc_power.kicad_pcb
Commit: b47ff0a
Homepage: breadmodular.com
Licence: MIT

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