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4 layers73 × 57 mmGRID, the printed circuit board in 3D
Size
73 × 57 mm
Copper layers
4
Thickness
1.6 mm
Parts
400
Nets
396
Pads
1,976
Tracks, vias
3,237, 308
Pours
3
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
2 Sep 2025
Updated
20 Apr 2026

Overview

GRID is an open-source printed circuit board by Lucasmnascimento94, from the Lucasmnascimento94/CS-341 repository on GitHub. It is a 4-layer board of 73 × 57 mm with 400 parts on 396 nets, routed with 3,237 tracks and 308 vias.

It is built around the APA102-2020. Its parts include 196 capacitors, 196 diodes, 2 resistors and 2 connectors.

Main components

1

README

README.md

CS-341

Parts

400
QtyValueFootprintReferences
1961uFCapacitor_SMD:C_0603_1608MetricC137, C138, C139, C140, C141, C142, C143, C144, C145, C146, C147, C148, C149, C150, C151, C152 +180
196APA102-2020LED_SMD:LED-APA102-2020D100, D101, D102, D103, D104, D105, D106, D107, D108, D109, D110, D111, D112, D113, D114, D115 +180
4MountingHoleMountingHole:ToolingHole_1.152mmH1, H2, H3, H4
2RResistor_SMD:R_0402_1005MetricR1, R2
1Conn_01x04_PinConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ2
1Conn_01x04_PinConnector_PinHeader_2.00mm:PinHeader_1x04_P2.00mm_HorizontalJ1

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2

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Questions

How big is the GRID PCB?

It measures 73 × 57 mm and has 4 copper layers, 1.6 mm thick.

What parts does the GRID use?

400 parts, built around the APA102-2020. 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 GRID KiCad files?

From the Lucasmnascimento94/CS-341 repository on GitHub, at the commit this page was made from: the board is ATMEGA-SCHEMATICS/SNAKE_GAME/GRID_SCHEMATICS/GRID/GRID.kicad_pcb and its schematic ATMEGA-SCHEMATICS/ATMEGA-SCHEMATICS.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the GRID design in my own project?

Its repository states no licence, so its author keeps all rights: ask Lucasmnascimento94 before reusing the design.