Sending postcards to family members was normal process for vacationers again when journey was glamorous and communications have been gradual. Whereas some vacationers nonetheless preserve this custom alive, many have changed stamps and put up workplaces with immediate messaging and social media — sooner and extra handy, however so much much less particular than receiving a postcard with a handwritten message from a faraway land.
[Cameron] designed a postcard picture frame that aims to bring back a bit of that magic. It’s a wood body that holds an e-ink show, which exhibits footage despatched to it by your mates. All they should do is open the distinctive hyperlink that you just despatched them beforehand and add an attention-grabbing photograph; the image body will cycle by way of the submissions primarily based on an adjustable schedule. An internet interface means that you can change settings and delete any inappropriate pictures.
The wood body is fantastically made, however the modern black PCB inside is an true murals. It holds a battery and a USB-C charging circuit, in addition to an ESP32 that connects to WiFi, shops pictures and downscales them to the 800×480 monochrome format utilized by the show. [Cameron] has not precisely measured the present consumption, however estimates that it ought to work for about one 12 months on a single cost because of the extraordinarily low energy necessities of e-ink shows.
Having your mates resolve on the pictures proven in your home is an attention-grabbing thought, when you can belief them to maintain it respectable. When you wish to have extra management over your e-ink show, take a look at this solar-powered model or this wall-mounted newspaper display.