Hacker News: "I built a picture frame with a greyscale e-paper …" - CleverLibre Social

Hacker News @HN@social.cleverlibre.org

I built a picture frame with a greyscale e-paper that runs on battery for years
https://news.ycombinator.com/item?id=25400702
#hackernews #tech

Dec 13, 2020, 15:12 · · HackerNewsBot · · ·

Sign in to participate in the conversation