[{"data":1,"prerenderedAt":439},["ShallowReactive",2],{"project-27331311":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":20,"keywords":22,"reception":27,"sentiment":28,"stance_mix":29,"scored_comments":34,"aspects":35,"strip":45,"post_text":47,"what":48,"said":94,"maker_in_thread":229,"shape":240,"grid":243,"attempts":395,"same_week":402,"maker_shows":32,"maker_hidden":431,"reader_version":432,"card":433},"27331311","Paperd.ink","Open-source e-paper development board","title","Show HN: Paperd.ink – Open-source e-paper development board","https:\u002F\u002Fpaperd.ink","paperd.ink","robertlangdon",1622359343,2021,232,61,179,2533,8,"notable","hardware","e-paper development board",[23,24,25,26],"e-paper","esp32","e-ink display","open source hardware","mixed",-0.231,{"positive":30,"neutral":31,"mixed":32,"critical":33},3,10,1,9,23,{"design":36,"performance":38,"docs":40,"pricing":42,"execution":43,"idea":44},{"positive":32,"critical":37},4,{"positive":39,"critical":32},0,{"positive":32,"critical":41},2,{"positive":39,"critical":39},{"positive":39,"critical":32},{"positive":32,"critical":32},[39,32,30,30,39,46,32,32,39,32,30,30,39,39,39,39,30,30,46,30,30,39,39,30,32,39,30,39,39,39,30,39,32,39,30,39,32,39,32,39],5,null,{"problem":49,"audience":56,"pricing":61,"motivation":67,"time_to_build":47,"stack":74,"openness":91,"stage":92,"team_size":93},{"value":50,"source":51,"evidence":52},"Hardware for a low-power, hackable e-paper display for calendars, to-do lists and images","maker",[53],{"id":54,"by":11,"text":55},"27331320","paperd.ink is a 4.2\" e-paper display coupled with an ESP32 microcontroller. It's open-source, fully hackable and all the PCB and 3D printing files are available on our Github…",{"value":57,"source":58,"evidence":59},"Makers and hobbyists who want a hackable e-paper display","inferred",[60],{"id":54,"by":11,"text":55},{"value":62,"source":51,"evidence":63},"Crowdfunding perks on Indiegogo; final retail price not set",[64],{"id":65,"by":11,"text":66},"27331741","Thanks! That's correct, e-paper displays and the silicon chip prices are high right now (the last we checked before our campaign launch in April) plus the inflation and…",{"value":68,"source":51,"evidence":69},"Launching a hardware product on a shoestring budget was hard; wanted a display for themselves and to share it",[70,71],{"id":54,"by":11,"text":55},{"id":72,"by":11,"text":73},"27334742","Sure you can. We wanted something like this for ourselves and thought of sharing it with the world. Thankfully some of them liked it too",[75,79,83,87],{"value":76,"source":51,"evidence":77},"ESP32 microcontroller",[78],{"id":54,"by":11,"text":55},{"value":80,"source":51,"evidence":81},"MicroPython",[82],{"id":54,"by":11,"text":55},{"value":84,"source":51,"evidence":85},"Arduino",[86],{"id":54,"by":11,"text":55},{"value":88,"source":51,"evidence":89},"ESP-IDF",[90],{"id":54,"by":11,"text":55},"open_source","beta","team",{"praise":95,"objections":112,"requests":149,"questions":172,"alternatives":194},[96,105],{"value":97,"source":98,"evidence":99},"Open-source and hackable design","commenter",[100,101],{"id":54,"by":11,"text":55},{"id":102,"by":103,"text":104},"27335165","rahimiali","This is a big deal because it’s a tablet with a GUI without Linux. This allows it to run on a microcontroller-class processor, with absolutely zero software bloat. Even if you…",{"value":106,"source":98,"evidence":107},"Low power consumption",[108],{"id":109,"by":110,"text":111},"27340605","Rebelgecko","Looks awesome! For the \u003C20uA deep sleep power consumption, is that out of the box when calling the ESP32's deep sleep? Or does it require any extra work like desoldering power…",[113,124,135,142],{"value":114,"source":98,"evidence":115},"4.2 inch display is too small for calendar and to-do use",[116,120],{"id":117,"by":118,"text":119},"27334128","taylorconor","I built a similar project (https:\u002F\u002Fgithub.com\u002Ftaylorconor\u002Finkymon) using an Inky wHAT e-ink dev board [1] connected to a Raspberry Pi Zero, which seems to be the same display as…",{"id":121,"by":122,"text":123},"27333609","notum","I realize why they avoid showing comparisons to reference points for size. 4.2” is absolutely tiny and useless unless you're holding it right in front of you. WaveShare sells up…",{"value":125,"source":98,"evidence":126},"Crowdfunding on Indiegogo is a non-starter for some",[127,131],{"id":128,"by":129,"text":130},"27334544","ecf","> Back us on Indiegogo Unfortunately Indiegogo\u002FKickstarter type funding makes this a non-starter for me. On a larger note, I wish products would explicitly state it’s in a…",{"id":132,"by":133,"text":134},"27332120","hybridtupel","Product is looking very promising. Unfortunately using Indigogo. This is literally the worst crowd funding platform I know. Lots of scam going on and Indigogo doesn’t care a bit…",{"value":136,"source":98,"evidence":137},"Battery life claim questioned",[138],{"id":139,"by":140,"text":141},"27332250","chrismorgan","I’m utterly inexpert in this area, but that doesn’t sound right at all; I think it should be more like 2–3 months, and probably even more. 3–4 days on a 2000mAH battery means…",{"value":143,"source":98,"evidence":144},"No clear unique value over a Raspberry Pi e-paper hat",[145],{"id":146,"by":147,"text":148},"27334591","offtop5","What's the unique value proposition here ? You can get an e paper hat for a raspberry pi zero and accomplish the same thing.",[150,161,165],{"value":151,"source":98,"evidence":152},"Larger display size",[153,157],{"id":154,"by":155,"text":156},"27331902","captn3m0","Really cool to see eInk projects from India. Is shipping cheaper here by any chance, and are there plans for a 6\" version? I've been thinking of buying Inkplate[0], but…",{"id":158,"by":159,"text":160},"27332260","roboben","Still don’t see it. Just kidding. Good job doing that! I’d buy if it would be larger.",{"value":162,"source":98,"evidence":163},"Cheaper international shipping",[164],{"id":154,"by":155,"text":156},{"value":166,"source":98,"evidence":167},"Premium external case option",[168],{"id":169,"by":170,"text":171},"27334678","demarq","It would be nice to also have a premium version in the future, where we could pay more towards having more premium external case.",[173,180,187],{"value":174,"source":98,"evidence":175},"Final pricing after the campaign",[176],{"id":177,"by":178,"text":179},"27331705","sdfhbdf","Congrats on launching. Looks really promising and I'm excited what can be done with it. Any thoughts on final pricing? I understand the biggest cost are those overpriced e-ink…",{"value":181,"source":98,"evidence":182},"Whether it is manufactured in India",[183],{"id":184,"by":185,"text":186},"27333820","avinassh","Is this being manufactured in India as well? Can you share more details",{"value":188,"source":98,"evidence":189},"How the €25000 funding goal works",[190],{"id":191,"by":192,"text":193},"27333685","Jiejeing","Looks very promising, but I am curious regarding the fixed goal of €25000: according to a quick napkin calculation, summing up all the units up for sale with their respective…",[195,202,210,214,222],{"value":196,"source":98,"evidence":197},"M5Stack Paper",[198],{"id":199,"by":200,"text":201},"27332841","felipemesquita","Similar product: M5Stack Paper [0], has a 4.7 e-paper display and is based on the ESP-32. M5Stack also sells on AliExpress and ship surprisingly fast there.…",{"value":203,"source":98,"evidence":204},"Inky Impression \u002F Inky wHAT on Raspberry Pi",[205,206],{"id":117,"by":118,"text":119},{"id":207,"by":208,"text":209},"27336749","RBerenguel","I used the Inky Impression with some bash scripts, also connected to a Zero. It has 7 colours, which gives some neat expression. Here's a Twitter thread with pictures:…",{"value":211,"source":98,"evidence":212},"Waveshare e-paper displays",[213],{"id":121,"by":122,"text":123},{"value":215,"source":98,"evidence":216},"Inkplate",[217,218],{"id":154,"by":155,"text":156},{"id":219,"by":220,"text":221},"27333064","IshKebab","Inkplate is another good option. They have bigger options with touchscreens.",{"value":223,"source":98,"evidence":224},"reMarkable tablet",[225],{"id":226,"by":227,"text":228},"27333200","davisr","Buy a reMarkable 1 tablet (~$230) and put a VNC client on it, or run an alternative OS like Parabola-rM (http:\u002F\u002Fwww.davisr.me\u002Fprojects\u002Fparabola-rm\u002F). They have high-quality…",{"comments":230,"answered":231,"key":232},20,12,[233,234,237],{"id":54,"text":55},{"id":235,"text":236},"27333284","Welp, just an illustration. Sorry for the confusion",{"id":238,"text":239},"27342241","Oh no need to desolder, just disable some MOSFETs usings GPIOs in the code. The MOSFETs enable\u002Fdisable parts of the circuit like SD card, e-paper, battery monitoring, etc",{"commenters":241,"max_depth":37,"maker_replies":230,"first_comment_mins":30,"lifespan_hours":242},35,227,[244,246,250,252,254,255,259,262,266,268,269,271,274,277,278,280,282,285,286,287,290,293,296,298,302,305,307,308,309,310,312,315,318,321,323,324,326,328,332,334,337,342,345,348,350,354,355,359,361,363,367,369,371,373,377,379,381,385,386,389,391],[54,39,39,245,11,32],"project\u002Fpositive\u002Fidea",[247,39,32,248,249,39],"27333213","project\u002Fcritical\u002Fdesign","tucosan",[235,39,39,251,11,32],"maker\u002Fneutral\u002Fdesign",[109,39,30,253,110,39],"project\u002Fneutral\u002Fperformance",[238,39,39,253,11,32],[256,32,30,257,258,39],"27332045","project\u002Fmixed\u002Fdesign","gab007",[260,32,39,261,11,32],"27332154","maker\u002Fneutral\u002Fnone",[263,32,46,264,265,39],"27333418","project\u002Fpositive\u002Fdesign","thinkmassive",[267,32,39,251,11,32],"27333731",[117,41,32,248,118,39],[207,41,39,270,208,39],"other\u002Fneutral\u002Fnone",[272,30,32,273,159,39],"27332240","project\u002Fcritical\u002Fdocs",[275,30,39,276,11,32],"27332243","maker\u002Fneutral\u002Fdocs",[158,30,32,248,159,39],[279,30,39,261,11,32],"27332271",[154,37,30,281,155,39],"project\u002Fneutral\u002Fpricing",[283,37,39,284,11,32],"27332165","maker\u002Fneutral\u002Fpricing",[184,37,30,261,185,39],[199,46,39,270,200,39],[288,46,39,289,11,32],"27332854","project\u002Fneutral\u002Fdesign",[291,46,39,270,292,39],"27333120","tecleandor",[294,46,39,270,295,39],"27333203","SahAssar",[297,46,39,270,200,39],"27439101",[299,300,39,270,301,39],"27333752",6,"politelemon",[303,300,30,304,122,39],"27333818","project\u002Fneutral\u002Fexecution",[177,306,30,281,178,39],7,[65,306,39,284,11,32],[102,18,46,245,103,39],[191,33,30,281,192,39],[311,33,39,284,11,32],"27333709",[313,31,30,253,314,39],"27333328","crypt0x",[316,31,39,317,11,32],"27333637","maker\u002Fneutral\u002Fperformance",[132,319,39,320,133,39],11,"other\u002Fcritical\u002Fnone",[322,319,39,261,11,32],"27332149",[219,231,39,270,220,39],[169,325,30,289,170,39],13,[327,325,39,261,11,32],"27334729",[329,330,32,273,331,39],"27333830",14,"salmo",[333,330,39,276,11,32],"27333844",[335,330,46,336,331,39],"27337616","maker\u002Fpositive\u002Fdocs",[338,339,32,340,341,39],"27334042",15,"project\u002Fcritical\u002Fexecution","ape4",[343,344,39,270,159,39],"27332246",16,[346,344,39,270,347,39],"27332346","kekub",[349,344,39,270,159,39],"27332682",[351,344,39,352,353,39],"27332693","other\u002Fneutral\u002Fpricing","salamandersauce",[226,344,39,270,227,39],[356,357,30,253,358,39],"27331772",17,"purplecats",[360,357,39,317,11,32],"27331820",[139,357,32,362,140,39],"maker\u002Fcritical\u002Fperformance",[364,357,39,365,366,39],"27332540","commenter\u002Fneutral\u002Fnone","OJFord",[368,357,39,317,11,32],"27332655",[370,357,30,253,358,39],"27339570",[372,357,39,317,11,32],"27332664",[374,375,39,270,376,39],"27368547",18,"IYasha",[121,378,32,248,122,39],19,[380,378,39,251,11,32],"27333718",[382,378,39,383,384,39],"27359831","commenter\u002Fcritical\u002Fdesign","the__alchemist",[128,230,39,320,129,39],[146,387,32,388,147,39],21,"project\u002Fcritical\u002Fidea",[72,387,39,390,11,32],"maker\u002Fneutral\u002Fidea",[392,387,39,393,394,39],"27337569","commenter\u002Fneutral\u002Fperformance","joelthelion",[396,397],{"id":4,"t":12,"points":14,"comments":15},{"id":398,"t":399,"points":400,"comments":401},"31347286",1652311441,195,67,[403,408,413,417,421,426],{"id":404,"name":405,"points":406,"category":407},"27303783","NocoDB",562,"dev_tools",{"id":409,"name":410,"points":411,"category":412},"27301879","Joust",257,"games",{"id":414,"name":415,"points":416,"category":407},"27333772","Kalk",239,{"id":418,"name":419,"points":420,"category":412},"27365961","Yare.io",233,{"id":422,"name":423,"points":424,"category":425},"27367948","Deepnote Viewer",217,"data",{"id":427,"name":428,"points":429,"category":430},"27316752","Ninfex",215,"web_saas",false,"v2",{"id":434,"name":5,"line":6,"ai":431,"cat":20,"year":13,"points":14,"comments":15,"rec":27,"s":435,"top":18,"kw":436,"maker":11,"domain":10,"tier":19,"attempts":41,"strip":437,"url":9,"mix":438,"praise":97,"objection":114,"sub":21},27331311,-0.23,[23,24,25,26],"0133051101330000335330031030003010301010",[30,31,32,33],1794036607281]