Building Zettelbox 2.0 – An ESPHome E-Ink Display Upgrade

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Two years ago, I built a wooden notepad box with a 2.9-inch E-Ink display and wrote about it . Until recently, it was still sitting on my desk and it’s still working. It was even shared on Hacker News back then. But there were two things that kept bothering me a bit. Not a huge deal, but still. That’s why I’ve been toying with the idea of an upgrade for a few months now. The display was too small…

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