Do e-ink screens require periodic refresh to keep the image? I was wondering if ... | Hacker News

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		foobarian on July 7, 2023 \| parent \| context \| favorite \| on: 32“ E Ink screen that displays daily newspapers on... Do e-ink screens require periodic refresh to keep the image? I was wondering if it's possible to load an image and remove power.

macintosh-hd on July 7, 2023 | [–]

Nope. I’ve had a tiny one connected to a raspberry pi that is still displaying an image over a year after I unplugged it.

kayodelycaon on July 7, 2023 | [–]

No. I have a hacked kindle that's been sitting in a drawer for years. The custom image it's displaying looks the same as when I set it.

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