Digital picture frames aren’t exactly new technology. Put a bunch of images on an SD card, slot it in and they just cycle through them all to give you a constantly changing display. They’ve been around for years and there are millions of them out there. But this one, created by Cameron on Hackaday is pretty cool. It lets friends send him images across the Internet and it automatically updates with the images that have been sent.
Cameron’s picture frame isn’t colour. Instead, it uses a mono e-ink display. These are great because they retain the image even when no power is being applied to them, which means when they’re not actively changing the picture, they use no energy at all. The brain powering it is an ESP32, which is battery powered and Cameron says it should give several hundred updates on a single charge.
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