Adam Scriven
CANADA • + Follow
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KiCADKicad
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Description
2x2 Button Matrix
I was looking for a wired button matrix to use as a controller for a wearable project, but none of them looked like they would be comfortable to wear or hold. So I designed this one.
I made sure each key had diodes and capacitors, so any click is clear and chording is possible, and the chosen buttons are rated IP67 given that wearables sometimes need to deal with water and rain and dust.
This is the schematic that I used as the base:
Schematic and Layout
2x2 Button Matrix on Github
https://github.com/scriven42/2x2_Button_Matrix
Jul 02,2022
786 views
2x2 Button Matrix
2 Layers PCB 10.3 x 69 mm FR-4, 1.6 mm, 1, HASL lead free, Green Solder Mask, White silkscreen
A 2x2 button matrix, created on a single line board for remote control, with chordable buttons if the programmer desires.
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Published: Jul 02,2022
Download Gerber file 3
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