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Work · March 6, 2023

I made a battery-powered e-ink display that shows my calendar

I made a battery-powered e-ink display that shows my calendar launched on March 6, 2023 with 68 votes, #1,330 of 5,007 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 3 years on.

In plain words

This is a battery-powered e-ink display that syncs with a user's calendar. Built for people who want a wall-mounted or desk view of their schedule, it combines low-power e-ink technology with calendar integration to provide a persistent, always-visible agenda without frequent charging or screen refreshes.

written from the facts on this page · September 2026

From the sources

There’s an old saying I just made up, it goes “a man has a problem. Give him a solution, now he has two problems”, and that’s how I felt when I came across the LilyGo T5 , a beautiful e-ink display with an ESP32 microprocessor and an 18650 battery holder. I realized that one thing that’s missing from my life right now is more time pressure. I have a job, which got me most of the way there, but I’m bad at remembering the time of each of the twenty meetings I have every day. I really needed something that would allow me to see my daily calendar at a glance, and I realized that a 4.7” e-ink screen was the perfect thing for that use case, so I quickly…from stavros.io

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