This DIY e-paper show performs films in extremely gradual movement and would take years to play one again utterly


There appears to be a bizarre obsession with tremendous gradual film gamers currently. I’ve seen just a few of them come scroll up my display currently, however this one’s… Properly, it kinda takes the cake, with a brand new body being rendered about each half an hour. And it makes use of nearly no energy so as to have the ability to do it, too. It’s primarily based off an ESP32 in “Deep Sleep” mode and attracts about 12uA (that’s 0.000012 Amps!). It’s projected that its 2,000mAh battery ought to final… oh, about 1.2 years.

It’s an fascinating approach to have a form of continuously altering photograph body, that progresses one body by way of a video sequence at a time in extraordinarily gradual style. One body each half-hour would signifies that a film like The Matrix (simply the primary one, not the entire trilogy) would take simply over eleven years to look at in its entirety. In real-time, the period of The Matrix is about 2 hours and 16 minutes.

It was developed by the Hackaday consumer likeablob, and makes use of the ESP32 module in Deep Sleep mode, solely waking up as usually because it must so as to refresh the body – and even then it offloads a lot of the work to its Extremely Low Energy (ULP) coprocessor. Refreshing the body on the Waveshare ACeP 7-colour e-paper show takes about 35 seconds as a result of e-paper isn’t all that fast to replace. However what e-paper does do is maintain and show a picture with out requiring any energy by any means as soon as it’s totally acquired it.

The gradual refresh time of the show isn’t actually an element once you’re solely updating the body each half an hour or so. Whereas enjoying films on it would not likely be all that sensible, it does make for a neat idea as a digital photograph body that would actually run for years on a small battery with out ever repeating the identical picture.

If you wish to have a go at constructing your personal, you will discover extra data on Hackaday and obtain all of the code and CAD recordsdata on GitHub.

[via Hackaday]



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