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4 layers26.7 × 26.7 mmSiPM Pixel, the printed circuit board in 3D

code and files of the cosmic-pixels project on piermuth.com

Size
26.7 × 26.7 mm
Copper layers
4
Thickness
1.6 mm
Parts
28
Nets
27
Pads
107
Tracks, vias
335, 39
Pours
113
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
5 Jan 2025
Updated
29 Jul 2026

Overview

SiPM Pixel is an open-source printed circuit board by pierre-muth, from the pierre-muth/cosmic-pixels repository on GitHub, published under the GPL-3.0 licence. It is a 4-layer board of 26.7 × 26.7 mm with 28 parts on 27 nets, routed with 335 tracks and 39 vias.

It is built around the LMV793MF and WS2812B. Its parts include 8 resistors, 5 diodes, 5 connectors, 4 capacitors and 2 ICs. It belongs with the PIC boards of this library.

Main components

2

README

README.md

cosmic-pixels

Code and files of the cosmic-pixels project on www.pierremuth.com cosmicpixels1 cosmicpixels2

Parts

28
QtyValueFootprintReferences
4Conn_01x08_PinConnector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_VerticalJ1, J2, J3, J4
4TestPointSiPM_Pixel_footprint:TestPoint_Pad_1x1mmb4, b5, b6, b7
310nCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC1, C3, C4
350Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR1, R2, R3
21MResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR4, R9
2220Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR6, R7
2LEDLED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolderD4, D5
1100SiPM_Pixel_footprint:R_0805_and_5x5Pot_HandSolderR5
11nCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC2
1Conn_01x03_PinSiPM_Pixel_footprint:PinHeader_1x03_P2.54mm_Vertical_small_ringJ5
1DSiPM_Pixel_footprint:D_0805_2012_long_HandSolderD1
1D_SiPMConnector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_VerticalD2
1LMV793Package_TO_SOT_SMD:SOT-23-5_HandSolderingU1
1PIC16F18325-xGZSiPM_Pixel_footprint:UQFN-20-1EP_4x4mm_P0.5mm_easy_solderU2
1WS2812BSiPM_Pixel_footprint:LED_WS2812B_5.0x5.0mm_3PinD3

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Questions

How big is the SiPM Pixel PCB?

It measures 26.7 × 26.7 mm and has 4 copper layers, 1.6 mm thick.

What parts does the SiPM Pixel use?

28 parts, built around the LMV793MF and WS2812B. 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 SiPM Pixel KiCad files?

From the pierre-muth/cosmic-pixels repository on GitHub, at the commit this page was made from: the board is KiCAD-SiPM-Pixel/SiPM_Pixel.kicad_pcb and its schematic KiCAD-SiPM-Pixel/SiPM_Pixel.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the SiPM Pixel 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).