![]() You can also customize the frame as per your preferences while the necessary codes are available via GitHub. Further, with the entire thing wrapped up in a nice 3D-printed photo frame makes it quite a looker too. Providing the juice is a pair of AA batteries and a Natlinear LN2266 boost converter, which does more than a decent job considering the extremely low power requirements of the E Ink display. Then there also is an algorithm at work here, one that ‘uses Floyd-Steinberg diffusion and the CIEDE2000 color space’ that takes ‘regular RGB images and breaks them down into dithered images that are displayed using the screen’s 7 available colors.’Īt the core of the device lies an ESP32-C3 which powers the entire thing, besides also retrieving the images over Wi-Fi every day. Of course, you can’t and shouldn’t expect the display to show photorealistic images but should do a good job showing simple images, more so post some dithering job. The display is capable of showing seven colors and has a resolution of 640 x 448 pixels. Specifically, the photo frame makes do with a 5.65-inch Waveshare display. Also, the nice thing here is that you can make one of your own as well, similar to the one that Sprite_tm did as mentioned on the site Hackaday. ![]() The added advantage of the e-paper display is that they don’t emit any light as such and hence merges with the surroundings brilliantly. A digital photo frame comprising of a color e-paper display can be a nice way to spruce up your surroundings.
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