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2 layers32 × 32 mmPower selector dev, the printed circuit board in 3D

Power selector dev

smkent/pcb

PCB designs

Size
32 × 32 mm
Copper layers
2
Thickness
1.6 mm
Parts
38
Nets
22
Pads
128
Tracks, vias
217, 56
Pours
7
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
22 Mar 2024
Updated
11 Sep 2026

Overview

Power selector dev is an open-source printed circuit board by smkent, from the smkent/pcb repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 32 × 32 mm with 38 parts on 22 nets, routed with 217 tracks and 56 vias.

It is built around the AO3401A, 1N5819WT and PDNM6ET20V05. Its parts include 8 resistors, 7 diodes, 6 transistors and 6 connectors.

Main components

3

README

README.md

PCB designs

A monorepository of my PCB designs created with KiCAD 8.

Layout and Workflow

Custom symbols and footprints are located in libraries, which is shared between PCB projects using ${KIPRJMOD}.

Individual PCB projects (e.g. *.kicad_pro and friends) are located within within pcb for active projects, or pcb-archived for archived projects.

When a PCB is ordered from a project, fabrication outputs are created and in the project's fab subdirectory and committed to the repository.

Setup

Ensure pipx is installed:

sh
pip install pipx

Install scons:

sh
pipx install scons

Install KiCAD-related dependencies using the system site packages directory:

sh
pipx install --system-site-packages kikit interactivehtmlbom

Build

To render all outputs, simply run scons.

To render outputs for a particular board, run scons -u within that board's project subdirectory.

Licenses

Individual hardware designs in this repository may use different licenses. The following licenses apply unless an included design directory specifies different license(s).

The lcsc KiCAD symbols, footprints, and 3D models libraries were created using easyeda2kicad (pypi), which are from LCSC. More info about easyeda2kicad

Parts

38
QtyValueFootprintReferences
55K1Resistor_SMD:R_0603_1608MetricR2, R3, R4, R5, R6
5LEDdiscrete:LED_0603_1608MetricLED1, LED2, LED3, LED4, LED5
4AO3401APackage_TO_SOT_SMD:SOT-23Q2, Q3, Q4, Q5
210Kdiscrete:R_Array_Convex_4x0402RN2, RN3
21N5819WTpackage:D_SOD-523D1, D2
25K1Resistor_SMD:R_0402_1005MetricR7, R8
2PDNM6ET20V05Package_TO_SOT_SMD:SOT-563Q1, Q6
2Pin headerscustom:PinHeader_1x02_P2.54mm_Vertical_simpleJ5, J6
110KResistor_SMD:R_0402_1005MetricR1
15K36Resistor_SMD:R_Array_Convex_2x0402RN1
1Barrel_Jack_Switchconnector:BarrelJack_DC-050_SMT_HorizontalJ2
1JST PHconnector:JST_PH_S2B-PH-SM4-TB_1x02-1MP_P2.00mm_HorizontalJ4
1JST PHconnector:JST_PH_S4B-PH-SM4-TB_1x04-1MP_P2.00mm_HorizontalJ3
1LOGOgraphics:wa-state-heart-8mmG***
1LOGOgraphics:wa-state-heart-3mmG***
1USB_C_Receptacle_PowerOnly_6Pconnector:USB_C_Receptacle_GCT_USB4125-xx-x_6P_TopMnt_Horizontal_HandSolderJ1

The 32 most common of 38 parts.

Questions

How big is the Power selector dev PCB?

It measures 32 × 32 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Power selector dev use?

38 parts, built around the AO3401A, 1N5819WT and PDNM6ET20V05. 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 Power selector dev KiCad files?

From the smkent/pcb repository on GitHub, at the commit this page was made from: the board is pcb/stackable3/power-selector-dev/power-selector-dev.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Power selector dev design in my own project?

Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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