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Paperd.Ink – A hackable e-paper display

Screenshot of paperd.ink captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 3 calendar years, with breakout response in 3 of them.

submissions
4
submitters
2
observed span
2020–2022
peak thread · 83 comments
242 pts
latest 20+ return · 2022-05-11
195 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

It looks like a great project, but please don't put Show HN in titles until it's ready for users to try out. This is in the Show HN rules: https://news.ycombinator.com/showhn.html.

dang·242-point thread·

paperd.ink is a 4.2" e-paper display coupled with an ESP32 microcontroller. It's open-source, fully hackable and all the PCB and 3D printing files are available on our Github repo. It’s low power so you can run it for a month on a single charge. Update wirelessly using WiFi, Bluetooth. Display your calendar, to-do list, weather, custom images, whatever you want. Code using micropython, Arduino, or ESP-IDF. It was too hard to launch a hardware product on a shoestring budget dealing…

Why this instead of eg. M5Paper [0]? Similar price, been thinking to buy something like that, but delaying the decision, hoping PineNote[1] comes out soon :D [0] https://shop.m5stack.com/collections/m5stack-new-arrival/pro... [1] https://www.pine64.org/pinenote/

Previous thread: https://news.ycombinator.com/item?id=22340398

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
3

100+ points or 50+ comments

Total points
674

reference only — not used in Hall rules or ranking

Total comments
212

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2020-02-16Paperd.Ink – A hackable e-paper displayFirst breakout · Best threadrobertlangdon24283
2021-05-24A hackable ESP32 e-paper development boarddjbeadle51
2021-05-30Show HN: Paperd.ink – Open-source e-paper development boardrobertlangdon23261
2022-05-11Show HN: Paperd.ink – an open-source e-paper development boardLatest 20+ point returnrobertlangdon19567