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Modifying an HDMI dummy plug's EDID using a Raspberry Pi

I recently found myself needing to change the monitor that a cheap HDMI “dummy plug” pretended to be. It was a random one I had bought on Amazon several years ago that acted as a 4K monitor, and I needed it to be something simpler that didn’t support a 4K resolution. The story behind why is a long one that I’m still…
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Hardware & ElectronicsTools & Productivity2025

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Jun 15, 2025Modifying an HDMI dummy plug's EDID using a Raspberry Pi by zdw30187

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