[{"data":1,"prerenderedAt":206},["ShallowReactive",2],{"project-25461853":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":9,"maker":10,"posted_at":11,"year":12,"points":13,"comments":14,"rank_in_year":15,"shown_in_year":16,"top":17,"tier":18,"category":19,"subcategory":20,"format":19,"keywords":21,"reception":27,"sentiment":9,"stance_mix":28,"scored_comments":30,"aspects":31,"strip":36,"post_text":39,"what":40,"said":73,"maker_in_thread":130,"shape":141,"grid":144,"attempts":168,"same_week":169,"maker_shows":37,"maker_hidden":198,"reader_version":199,"card":200},"25461853","I made a solar-powered, ePaper photo frame","A solar-powered, ePaper photo frame","title","Show HN: I made a solar-powered, ePaper photo frame",null,"jamez",1608247561,2020,27,11,1464,3028,49,"shown","hardware","solar-powered e-paper photo frame",[22,23,24,25,26],"epaper","solar powered","photo frame","e-paper display","esp32","quiet",{"positive":29,"neutral":29,"mixed":29,"critical":29},1,4,{"design":32,"performance":34,"pricing":35},{"positive":29,"critical":33},0,{"positive":33,"critical":33},{"positive":33,"critical":29},[33,37,33,38,33,38,33,33,33,29,33],5,3,"Looks like this year ePaper projects have been popping around[1], so this is mine.\n\nI made a photo frame with the intention of having a record of my family's history that can potentially outlive me. Knowing the challenges of long-lived digital projects, I consider this a moving target that will go through several iterations, but the first version showed encouraging results.\n\nI wonder if anyone else is interested in having something like that in their living rooms.\n\nMore details: https:\u002F\u002Fwww.jamez.it\u002Fblog\u002F2020\u002F12\u002F17\u002Fmade-epaper-solar-powered-digital-photo-frame-call-solarpunk\u002F\n\n[1] https:\u002F\u002Fnews",{"problem":41,"audience":47,"pricing":9,"motivation":51,"time_to_build":9,"stack":55,"openness":71,"stage":72,"team_size":71},{"value":42,"source":43,"evidence":44},"Keeping a long-lived record of family history on a living-room display","maker",[45],{"id":46},"post",{"value":48,"source":43,"evidence":49},"Families who want a photo display in their living room",[50],{"id":46},{"value":52,"source":43,"evidence":53},"Build a family history record that can outlive the maker",[54],{"id":46},[56,64],{"value":57,"source":58,"evidence":59},"ARM CPU","commenter",[60],{"id":61,"by":62,"text":63},"25462397","pcdoodle","Cool project! The ARM cpu is way overkill but gets easy setup points. You could probably get away with a hidden Peltier to harvest the room vs wall temperature difference if you…",{"value":65,"source":58,"evidence":66},"ESP32 microcontroller",[67],{"id":68,"by":69,"text":70},"25463833","captn3m0","+1. An ESP32 can fetch the image, display it, and go to deep-sleep with a much lower power output. The battery will last longer, but getting it much further is harder because…","unknown","prototype",{"praise":74,"objections":86,"requests":101,"questions":110,"alternatives":118},[75,82],{"value":76,"source":58,"evidence":77},"Nice design and fun perpetual-motion concept",[78],{"id":79,"by":80,"text":81},"25462902","sxp","Very nice. I'm a big fan of these types of \"perpetual motion\" computers. The project reminds me of https:\u002F\u002Fdevelopers.google.com\u002Fgdata\u002Farticles\u002Fradish which was a solar cell +…",{"value":83,"source":58,"evidence":84},"Cool project",[85],{"id":61,"by":62,"text":63},[87,91],{"value":88,"source":58,"evidence":89},"ARM CPU is overkill for the task",[90],{"id":61,"by":62,"text":63},{"value":92,"source":58,"evidence":93},"Display of a website is costly with a large ePaper panel",[94,98],{"id":95,"by":96,"text":97},"25463651","purplecats","I'd pay a 100$ to make this load a website every hour\u002Fday",{"id":99,"by":10,"text":100},"25463880","The part about displaying a website every day is trivial, though that budget will not take you very far for a decently sized ePaper panel. Here's hoping that prices will go down…",[102,106],{"value":103,"source":58,"evidence":104},"Use a black one-piece solar border or tinted glass for aesthetics",[105],{"id":79,"by":80,"text":81},{"value":107,"source":58,"evidence":108},"Add thermoelectric energy harvesting",[109],{"id":61,"by":62,"text":63},[111],{"value":112,"source":58,"evidence":113},"How to get an ESP32 to fetch and display images",[114],{"id":115,"by":116,"text":117},"25465078","bert2002","Always tried to make the ESP32 fetch an image, but never succeeded (with Arduino though)",[119,126],{"value":120,"source":58,"evidence":121},"Inkplate",[122],{"id":123,"by":124,"text":125},"25464237","m463","https:\u002F\u002Finkplate.io\u002F fits that bill, but I think this project with solar does much better",{"value":127,"source":58,"evidence":128},"Google Calendar radish LCD room display",[129],{"id":79,"by":80,"text":81},{"comments":30,"answered":29,"key":131},[132,135,138],{"id":133,"text":134},"25461890","Clickable link to project description: https:\u002F\u002Fwww.jamez.it\u002Fblog\u002F2020\u002F12\u002F17\u002Fmade-epaper-solar-powered-digital-photo-frame-call-solarpunk\u002F",{"id":136,"text":137},"25463850","I was not aware of that Google Calendar display. Very nice, thanks for sharing. Re: tinted glass on top of the border, it's an interesting angle, although I'm not sure I want to…",{"id":139,"text":140},"25462428","Thanks for the suggestions! Thermoelectric energy harvesting never even occurred to me. Definitely looking into it.",{"commenters":142,"max_depth":30,"maker_replies":30,"first_comment_mins":37,"lifespan_hours":143},8,44,[145,147,149,151,154,156,158,160,161,164,166],[133,33,33,146,10,29],"maker\u002Fneutral\u002Fdocs",[79,29,37,148,80,33],"project\u002Fpositive\u002Fdesign",[136,29,33,150,10,29],"maker\u002Fneutral\u002Fdesign",[61,152,38,153,62,33],2,"project\u002Fmixed\u002Fperformance",[139,152,33,155,10,29],"maker\u002Fpositive\u002Fidea",[68,152,38,157,69,33],"project\u002Fneutral\u002Fperformance",[123,152,33,159,124,33],"other\u002Fneutral\u002Fnone",[115,152,33,159,116,33],[162,152,33,159,163,33],"25480415","stevekemp",[95,38,29,165,96,33],"project\u002Fcritical\u002Fpricing",[99,38,33,167,10,29],"maker\u002Fneutral\u002Fpricing",[],[170,175,180,184,189,194],{"id":171,"name":172,"points":173,"category":174},"25495393","NoteCalc",267,"productivity",{"id":176,"name":177,"points":178,"category":179},"25484133","Owncast",241,"infrastructure",{"id":181,"name":182,"points":183,"category":174},"25497737","Pop.com",239,{"id":185,"name":186,"points":187,"category":188},"25494988","brightpath",222,"consumer_social",{"id":190,"name":191,"points":192,"category":193},"25455659","Panelle",192,"creative",{"id":195,"name":196,"points":197,"category":188},"25461367","StumblingOn",138,false,"v2",{"id":201,"name":5,"line":6,"ai":198,"cat":19,"year":12,"points":13,"comments":14,"rec":27,"s":9,"top":17,"kw":202,"maker":10,"domain":203,"tier":18,"attempts":33,"strip":204,"url":-1,"mix":205,"praise":76,"objection":88,"sub":20},25461853,[22,23,24,25,26],"","05030300010",[29,29,29,29],1793991020385]