I made a solar-powered, ePaper photo frame

Hardware

solar-powered e-paper photo frame

SHOW HN2020

27points
11comments
#1,464of 3,028 in 2020
Top 49%of 2020 by points

How HN took it

QuietFewer than 5 comments about the project

1 positive, 1 neutral or asking, 1 mixed, 1 critical, out of 4 comments about the project.

Design: 1 for, 0 againstPricing: 0 for, 1 against

The thread, comment by comment

Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.

positive neutral or mixed critical about another commenter or something else the maker

What HN said

What people liked

  • Nice design and fun perpetual-motion concept

    From 1 comment
    • Very nice. I'm a big fan of these types of "perpetual motion" computers. The project reminds me of https://developers.google.com/gdata/articles/radish which was a solar cell +…
      sxp on HN
  • Cool project

    From 1 comment
    • Cool project! The ARM cpu is way overkill but gets easy setup points. You could probably get away with a hidden Peltier to harvest the room vs wall temperature difference if you…
      pcdoodle on HN

Objections

  • ARM CPU is overkill for the task

    From 1 comment
    • Cool project! The ARM cpu is way overkill but gets easy setup points. You could probably get away with a hidden Peltier to harvest the room vs wall temperature difference if you…
      pcdoodle on HN
  • Display of a website is costly with a large ePaper panel

    From 2 comments
    • I'd pay a 100$ to make this load a website every hour/day
      purplecats on HN
    • The part about displaying a website every day is trivial, though that budget will not take you very far for a decently sized ePaper panel. Here's hoping that prices will go down…
      jamez on HN

Requests

  • Use a black one-piece solar border or tinted glass for aesthetics

    From 1 comment
    • Very nice. I'm a big fan of these types of "perpetual motion" computers. The project reminds me of https://developers.google.com/gdata/articles/radish which was a solar cell +…
      sxp on HN
  • Add thermoelectric energy harvesting

    From 1 comment
    • Cool project! The ARM cpu is way overkill but gets easy setup points. You could probably get away with a hidden Peltier to harvest the room vs wall temperature difference if you…
      pcdoodle on HN

Questions

  • How to get an ESP32 to fetch and display images

    From 1 comment
    • Always tried to make the ESP32 fetch an image, but never succeeded (with Arduino though)
      bert2002 on HN

Alternatives named

  • Inkplate

    From 1 comment
    • https://inkplate.io/ fits that bill, but I think this project with solar does much better
      m463 on HN
  • Google Calendar radish LCD room display

    From 1 comment
    • Very nice. I'm a big fan of these types of "perpetual motion" computers. The project reminds me of https://developers.google.com/gdata/articles/radish which was a solar cell +…
      sxp on HN

Category, keywords, summaries and labels on this page were made by AI (Thread Reader v2) and not checked by hand. Each point links to the comments it came from.

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