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![I'm trying to identify key presses on a 4x4 matrix. I have it wired to detect when a button is pressed on each column but I can't figure out how to wire I'm trying to identify key presses on a 4x4 matrix. I have it wired to detect when a button is pressed on each column but I can't figure out how to wire](https://i.redd.it/bore62xkcxs71.png)
I'm trying to identify key presses on a 4x4 matrix. I have it wired to detect when a button is pressed on each column but I can't figure out how to wire
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Generic inverse 4x4 matrix : Davide Mossenta : Free Download, Borrow, and Streaming : Internet Archive
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4x4 HDMI 4K Matrix Switch/Splitter by OREI (4-Input, 4-Output) with Remote Control Supports UltraHD 4K@60Hz 4:4:4, HDR, YUV, HDMI 2.0, HDCP 2.2, 3D, 1080p, 18 GBPS - Downscaler (4K & 1080p Together) (
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axGear HDMI 4X4 3D True Matrix Switch Splitter 4 In 4 Out HD Display Selector W/ Remote | Best Buy Canada
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4x4 4K HDMI Matrix Switch with Scaler - VM6404H, ATEN Video Matrix Switches | ATEN Corporate Headquarters
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