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Button matrix

Ethan2502·Amigo·hardware/button-matrix/button-matrix.kicad_pcb

Button matrix PCB layout, top view — open source board by Ethan2502

About the Button matrix PCB

Button matrix is an open source PCB design by Ethan2502, published on GitHub. It is a 2-layer board measuring 65 × 60 mm, with 22 components from 4 distinct parts.

By type, the board carries 9 diodes, 3 resistors and 1 connector.

It belongs with the keyboards, power & battery and displays & leds designs in this gallery.

From the project

Wakeup buddy

A desk companion cube that takes over the things you unlock your phone for, so you have no reason to pick it up.

This is my project that I got an idea for when my phone's alarm went off. I always tend to use my phone a little bit in bed when I wake up. I thought I needed my phone to wake me up but then I thought of a product that replaced all the "utility" items your phone could do but without the distractions. I used screentime apps before but they always make it in fingers reach to disable it. Amigo takes the other approach. Instead of locking the phone down, it takes over the jobs you…

Button matrix, from the project README
From the project README

Button matrix bill of materials (BOM)

22 components, 4 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ButtonRibbonConnector
J1
9
Choc_SW
Choc1, Choc2, Choc3, Choc4, Choc5, Choc6, Choc7, Choc8 +1
9
1N4148W
D1, D2, D3, D4, D5, D6, D7, D8 +1
3
10K
10k
R1, R2, R3

Button matrix design files

The KiCad project lives in the Ethan2502/Amigo repository on GitHub; these links point at the commit this page was built from.

Button matrix: common questions

How big is the Button matrix PCB?

The Button matrix measures 65 × 60 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Button matrix?

22 components, from 4 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Button matrix design files?

From the Ethan2502/Amigo repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Button matrix design in my own project?

The repository has no license, so all rights stay with Ethan2502. Use it as a reference, and ask the author before reusing the design.

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