HardLabs

ButtonMatrixBoard

8-Lambda-8·ShowControllPCBs·buttonMatrixBoard/buttonMatrixBoard.kicad_pcb

ButtonMatrixBoard PCB layout, top view — open source board by 8-Lambda-8

About the ButtonMatrixBoard PCB

ButtonMatrixBoard is an open source PCB design by 8-Lambda-8, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 80 × 40 mm, with 42 components from 8 distinct parts.

By type, the board carries 8 switches, 8 LEDs, 8 diodes, 8 capacitors, 6 connectors and 4 resistors.

It belongs with the audio designs in this gallery.

From the project

A collection of PCBs for controlling other show hardware via MIDI or OSC

A collection of PCBs with faders, buttons, encoders (and so on ...) for usage in an MIDI or OSC controller

ButtonMatrixBoard bill of materials (BOM)

42 components, 8 distinct parts.

QtyPartRefs
3
Conn_01x04_Pin
J1, J4, J5
2
Conn_01x02_Pin
J2, J3
1
Conn_01x03_Pin
J6
8
SW_Push
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8
8
WS2812B
LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8
8
1N4148WS
D1, D2, D3, D4, D5, D6, D7, D8
8
100nF
C1, C2, C3, C4, C5, C6, C7, C8
4
10k
R1, R2, R3, R4

ButtonMatrixBoard design files

The KiCad project lives in the 8-Lambda-8/ShowControllPCBs repository on GitHub; these links point at the commit this page was built from.

ButtonMatrixBoard: common questions

How big is the ButtonMatrixBoard PCB?

The ButtonMatrixBoard measures 80 × 40 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ButtonMatrixBoard?

42 components, from 8 distinct parts. The full bill of materials is listed on this page.

Where can I download the ButtonMatrixBoard design files?

From the 8-Lambda-8/ShowControllPCBs repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the ButtonMatrixBoard design in my own project?

Yes, under the terms of its GPL-3.0 license, which 8-Lambda-8 chose for the repository.

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