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2 layers38.9 × 38.9 mmArraybia, the printed circuit board in 3D

A 16x16 LED matrix with a bunch of sensors I made a few years ago

Size
38.9 × 38.9 mm
Copper layers
2
Thickness
1.6 mm
Parts
22
Nets
52
Pads
170
Tracks, vias
806, 99
Pours
3
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
8 Oct 2025
Updated
9 Oct 2025

Overview

Arraybia is an open-source printed circuit board by Architeuthis-Flux, from the Architeuthis-Flux/Arraybia repository on GitHub, published under the Unlicense licence. It is a 2-layer board of 38.9 × 38.9 mm with 22 parts on 52 nets, routed with 806 tracks and 99 vias.

It is built around the AVR128DB48, MMC5633NJL and JS5208, with the LD1117 and MXC4005XC among its other parts. Its parts include 6 resistors, 2 ICs and 1 switch. It belongs with the lEDs and displays boards of this library.

Main components

5

Parts

22
QtyValueFootprintReferences
61KResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR3, R4, R5, R6, R7, R8
210KResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder10K, R1
1100KResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder100K
110uFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder10uF
11uFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder1uF
1AVR128DB48footprints:AVR128DB48-I&slash_PTAVR128DB48
1Conn_01x02_FemaleConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalRx Tx
1Conn_01x02_MaleConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalTx Rx
1Conn_01x03_MaleConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalUPDI GND 5V
1DHT-216161Display:DHT-216161U1
1ISZ-2510Package_QFP:QFN_16_3x3mm_5-3U6
1JS5208Button_Switch_THT:joyStickS1
1LD1117Package_TO_SOT_SMD:SOT-223-3_TabPin2LD1117 3V3
1MMC5633NJLPackage_BGA:WLP-4_0.86x0.86mm_P0.4mmMagnetometer
1MXC4005XCSensor_Motion:MXC4005XCAccelerometer
1SW_PushButton_Switch_THT:SW_PUSH_6mm_H4.3mmRESET

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Questions

How big is the Arraybia PCB?

It measures 38.9 × 38.9 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Arraybia use?

22 parts, built around the AVR128DB48, MMC5633NJL, JS5208 and LD1117. 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 Arraybia KiCad files?

From the Architeuthis-Flux/Arraybia repository on GitHub, at the commit this page was made from: the board is Hardware/Arraybia/Arraybia.kicad_pcb and its schematic Hardware/Arraybia/Arraybia.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Arraybia design in my own project?

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