[{"data":1,"prerenderedAt":214},["ShallowReactive",2],{"project-43781465":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":33,"aspects":34,"strip":38,"post_text":41,"what":42,"said":63,"maker_in_thread":109,"shape":118,"grid":120,"attempts":176,"same_week":177,"maker_shows":205,"maker_hidden":206,"reader_version":207,"card":208},"43781465","TRMNL-compatible e-ink device (stavros)","My own TRMNL e-ink device","title","Show HN: I made my own TRMNL e-ink device","https:\u002F\u002Fwww.stavros.io\u002Fposts\u002Fmaking-a-trmnl-device\u002F","stavros.io","stavros",1745494450,2025,85,24,844,3837,22,"notable","hardware","e-ink display",[21,23,24,25,26],"trmnl","e-paper","desk display","diy electronics","mixed",0.143,{"positive":30,"neutral":31,"mixed":32,"critical":31},4,1,0,6,{"pricing":35,"performance":36,"docs":37},{"positive":31,"critical":31},{"positive":32,"critical":32},{"positive":31,"critical":32},[39,32,32,32,31,32,32,32,39,32,32,32,39,32,32,32,32,32,32,32,32,40,32,39],5,3,null,{"problem":41,"audience":41,"pricing":43,"motivation":50,"time_to_build":41,"stack":59,"openness":60,"stage":61,"team_size":62},{"value":44,"source":45,"evidence":46},"BOM about $70 for driver and screen plus $50 TRMNL license, roughly the cost of a bought TRMNL","maker",[47],{"id":48,"by":11,"text":49},"43783572","Yeah, my BOM was $20 for the driver and $50 for the screen, plus $50 for the TRMNL license. About the same as the TRMNL I bought, in the end, though as you say the license is a…",{"value":51,"source":52,"evidence":53},"Wanted a TRMNL-style display of their own; building it was a labor of love","inferred",[54,58],{"id":55,"by":56,"text":57},"43783475","JKCalhoun","TRMNL's site seems to think there is not a cost-savings to build-your-own. They don't appear to include the licensing cost though. From their site: > Making your own TRMNL from…",{"id":48,"by":11,"text":49},[],"unknown","launched","solo",{"praise":64,"objections":76,"requests":94,"questions":95,"alternatives":103},[65],{"value":66,"source":67,"evidence":68},"Beautiful writing and a fantastic project","commenter",[69,73],{"id":70,"by":71,"text":72},"43784283","drcongo","stavros is one of my favourite posters on HN, and the writing on his site is full of beautiful turns of phrase like that. > The Timeframe is a beautiful, battery-powered,…",{"id":74,"by":11,"text":75},"43787652","Oh I had seen yours! What a fantastic project, well done. Beautiful result.",[77,90],{"value":78,"source":67,"evidence":79},"Confusing developer edition and license tiers for plugin development and API access",[80,84,87],{"id":81,"by":82,"text":83},"43784297","joshstrange","> $20 “developer edition” license which “unlocks their API”. I expected this upgrade to give me API access so I could retrieve the image that’s displayed of my device, but that’s…",{"id":85,"by":11,"text":86},"43784655","That option is for when you add it to your cart. You get API access with the device because you have one, but AFAIK you can't develop plugin without the dev option? I don't know,…",{"id":88,"by":82,"text":89},"43785276","Interesting, I have developed plugins for my TRMNL and I only paid for the device. Or at least I've developed HTML-based views that are custom (I think that's \"plugins\") that are…",{"value":91,"source":45,"evidence":92},"Worry that the lifetime license could become a subscription requirement",[93],{"id":48,"by":11,"text":49},[],[96],{"value":97,"source":67,"evidence":98},"Typical refresh rate and how the image service works",[99],{"id":100,"by":101,"text":102},"43781891","estsauver","This is neat--what's the typical refresh rate\u002Fupdate speed for the image service? Is the API is basically \"Push PNG to server, PNG displays on whiteboard?\"",[104],{"value":105,"source":67,"evidence":106},"TRMNL",[107,108],{"id":55,"by":56,"text":57},{"id":81,"by":82,"text":83},{"comments":110,"answered":111,"key":112},10,2,[113,114,117],{"id":85,"text":86},{"id":115,"text":116},"43785466","Hm :\u002F I wonder why I paid the extra $20, then...",{"id":48,"text":49},{"commenters":110,"max_depth":33,"maker_replies":110,"first_comment_mins":119,"lifespan_hours":119},53,[121,123,125,127,129,131,133,137,139,141,144,146,148,151,153,155,157,160,162,164,167,169,171,173],[81,32,39,122,82,32],"project\u002Fpositive\u002Fpricing",[85,32,32,124,11,31],"commenter\u002Fneutral\u002Fpricing",[88,32,32,126,82,32],"commenter\u002Fneutral\u002Fnone",[115,32,32,128,11,31],"maker\u002Fneutral\u002Fpricing",[55,31,31,130,56,32],"project\u002Fcritical\u002Fpricing",[48,31,32,132,11,31],"project\u002Fmixed\u002Fpricing",[134,111,32,135,136,32],"43783567","other\u002Fneutral\u002Fnone","n8cpdx",[138,111,32,135,11,31],"43783902",[70,111,39,140,71,32],"maker\u002Fpositive\u002Fnone",[142,111,32,135,143,32],"43784439","billev2k",[145,111,32,135,11,31],"43784670",[147,111,32,140,11,31],"43784645",[149,111,39,140,150,32],"43787614","sho_hn",[74,111,32,152,11,31],"maker\u002Fpositive\u002Fexecution",[154,111,32,135,150,32],"43788071",[156,111,32,140,11,31],"43788257",[158,111,32,135,159,32],"43787709","KMnO4",[161,111,32,135,11,31],"43787864",[163,111,32,135,136,32],"43790157",[165,111,32,135,166,32],"43794863","turtlebits",[168,111,32,135,136,32],"43805020",[100,40,40,170,101,32],"project\u002Fneutral\u002Fperformance",[172,40,32,170,11,31],"43781999",[174,40,39,175,82,32],"43785532","project\u002Fpositive\u002Fdocs",[],[178,182,187,192,197,201],{"id":179,"name":180,"points":181,"category":20},"43820228","PyXL",983,{"id":183,"name":184,"points":185,"category":186},"43803148","RetrOS-32",575,"infrastructure",{"id":188,"name":189,"points":190,"category":191},"43816419","screenrecorder.me",462,"dev_tools",{"id":193,"name":194,"points":195,"category":196},"43835584","Beatsync",439,"creative",{"id":198,"name":199,"points":200,"category":186},"43778081","TacOS",320,{"id":202,"name":203,"points":204,"category":196},"43791992","Clever Coloring Book",316,18,false,"v2",{"id":209,"name":5,"line":6,"ai":206,"cat":20,"year":13,"points":14,"comments":15,"rec":27,"s":210,"top":18,"kw":211,"maker":11,"domain":10,"tier":19,"attempts":32,"strip":212,"url":9,"mix":213,"praise":66,"objection":78,"sub":21},43781465,0.14,[21,23,24,25,26],"500010005000500000000305",[30,31,32,31],1793991118334]