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2 layers120 × 120 mmClock, the printed circuit board in 3D

A Stargate thing...

Size
120 × 120 mm
Copper layers
2
Thickness
1 mm
Parts
409
Nets
202
Pads
1,217
Tracks, vias
1,221, 557
Pours
36
Routed
Yes
KiCad
KiCad 9.0 (file 20241129)
Created
14 Aug 2024
Updated
19 Dec 2025

Overview

Clock is an open-source printed circuit board by evansj, from the evansj/ESP32-LED repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 120 × 120 mm with 409 parts on 202 nets, routed with 1,221 tracks and 557 vias.

It is built around the XL-1010RGBC-2812B. Its parts include 199 capacitors and 199 diodes. It belongs with the lEDs and displays boards of this library.

Main components

1

README

PCB/5x7/README.md

5x7

These files are for use in KiCad.

Trademark

This is an open source project, but bear in mind you cannot sell boards bearing the Andrews & Arnold Ltd name, the A&A logo, the registered trademark AJK logo, or the GS1 allocated EANs assigned to Andrews & Arnold Ltd.

Images

Auto generated 2025-08-12T11:30:27

Parts

409
QtyValueFootprintReferences
199100nFRevK:C_0402C1, C10, C11, C100, C101, C102, C103, C104, C105, C106, C107, C108, C109, C110, C111, C112 +183
199XL-1010RGBC-WS2812BRevK:SMD1010D1, D10, D11, D100, D101, D102, D103, D104, D105, D106, D107, D108, D109, D110, D111, D112 +183
4HiddenRevK:PCB-Join1Z1, Z2, Z3, Z4
2FiducialFiducial:Fiducial_1mm_Mask2mmFID1, FID3
2FiducialRevK:Hole-ToolingFID2, FID4
1DINRevK:RoundTP2
1GNDRevK:RoundTP1
1PWRRevK:RoundTP3

Questions

How big is the Clock PCB?

It measures 120 × 120 mm and has 2 copper layers, 1 mm thick.

What parts does the Clock use?

409 parts, built around the XL-1010RGBC-2812B. 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 Clock KiCad files?

From the evansj/ESP32-LED repository on GitHub, at the commit this page was made from: the board is PCB/Clock/Clock.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Clock design in my own project?

Its repository publishes it under the GPL-3.0 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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