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2 layers40 × 40 mmEsp lcd dev, the printed circuit board in 3D

Esp lcd dev

smkent/pcb

PCB designs

Size
40 × 40 mm
Copper layers
2
Thickness
1.6 mm
Parts
39
Nets
27
Pads
152
Tracks, vias
427, 73
Pours
7
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
22 Mar 2024
Updated
11 Sep 2026

Overview

Esp lcd 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 40 × 40 mm with 39 parts on 27 nets, routed with 427 tracks and 73 vias.

It is built around the VEML7700-TT, WS2812B-2020 and 2N7002DW. Its parts include 8 connectors, 7 diodes, 5 capacitors, 5 resistors and 1 IC. It belongs with the lEDs and displays boards of this library.

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

39
QtyValueFootprintReferences
6WS2812B-2020discrete:LED_WS2812B-2020_PLCC4_2.0x2.0mm_HandSolderLED2, LED3, LED4, LED5, LED6, LED7
310KResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolderR1, R4, R5
2100RResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolderR2, R3
210udiscrete:C_0603_1608Metric_Pad1.08x0.95mm_HandSolderC6, C7
222udiscrete:C_0603_1608Metric_Pad1.08x0.95mm_HandSolderC2, C3
2Qwiicconnector:Qwiic-SMD-horizontal-logo-bottom-pinoutJ2, J3
1100uCapacitor_SMD:CP_Elec_5x5.4C1
110KResistor_SMD:R_Array_Convex_4x0603RN2
12N7002DWPackage_TO_SOT_SMD:SOT-363_SC-70-6Q1
1JST SHconnector:JST_SH_SM08B-SRSS-TB_1x08-1MP_P1.00mm_HorizontalJ5
1JST XH/PHcustom:Conn_Combo_JST-1x02-XH_PH-SMD-pad2gndJ1
1LED_Smallcustom:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder_simpleLED1
1LOGOgraphics:wa-state-heart-5mmG***
1Pin headersConnector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical_SMD_Pin1LeftJ8
1Pin headersConnector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical_SMD_Pin1RightJ7
1Pin headerscustom:PinHeader_1x05_P2.54mm_Vertical_simple_pad1gndJ6
1STEMMA-Signalconnector:STEMMA-Signal-SMD-horizontalJ4
1VEML7700discrete:Sensor_VEML7700-TRU1
1~module:ESP32-C3-Super-Mini-Castellated-SMD-onlySM1

The 30 most common of 39 parts.

Questions

How big is the Esp lcd dev PCB?

It measures 40 × 40 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Esp lcd dev use?

39 parts, built around the VEML7700-TT, WS2812B-2020 and 2N7002DW. 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 Esp lcd dev KiCad files?

From the smkent/pcb repository on GitHub, at the commit this page was made from: the board is pcb-archived/stackable2/esp-lcd-dev/esp-lcd-dev.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Esp lcd 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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