[{"data":1,"prerenderedAt":118},["ShallowReactive",2],{"project-45945762":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":22,"keywords":23,"reception":29,"sentiment":30,"stance_mix":31,"scored_comments":32,"aspects":33,"strip":34,"post_text":35,"what":36,"said":63,"maker_in_thread":69,"shape":74,"grid":77,"attempts":80,"same_week":81,"maker_shows":110,"maker_hidden":111,"reader_version":112,"card":113},"45945762","Minivac 601 Simulator","a 1961 Relay Computer","title","Show HN: Minivac 601 Simulator - a 1961 Relay Computer","https:\u002F\u002Fminivac.greg.technology\u002F","minivac.greg.technology","gregsadetsky",1763306650,2025,21,1,1973,3837,52,"shown","learning_science","computing education simulator","web_app",[24,25,26,27,28],"minivac 601","relay computer","claude shannon","relay logic","electronics simulator","quiet",null,{"positive":32,"neutral":32,"mixed":32,"critical":32},0,{},[32],"Hey HN!\n\nI'm very proud of sharing this project with you all, after ~2 years of starts and stops, and about 5 different attempts at making it.\n\nContext\u002Fhistory: In 1961, the Minivac 601 [0], an educational electronics kit - somewhat similar to those \"300 circuits in one\" you may have had growing up as I did - was created by none other than Claude Shannon.\n\nThe Minivac is disarmingly simple: it consists roughly speaking of 6 relays, 12 lights, 6 buttons, and a motorized wheel. You'd think that it couldn't really do much.\n\nWell, amazingly, it can do a lot. You can wire up the components in a way",{"problem":37,"audience":30,"pricing":30,"motivation":43,"time_to_build":47,"stack":51,"openness":60,"stage":61,"team_size":62},{"value":38,"source":39,"evidence":40},"Lets people try the Minivac 601 relay circuits without owning the physical kit","maker",[41],{"id":42},"post",{"value":44,"source":39,"evidence":45},"Frustrated they could not try the Minivac circuits from the manuals; wanted to play with the device",[46],{"id":42},{"value":48,"source":39,"evidence":49},"about 2 years of starts and stops, with about 5 attempts",[50],{"id":42},[52,56],{"value":53,"source":39,"evidence":54},"JavaScript",[55],{"id":42},{"value":57,"source":39,"evidence":58},"TypeScript",[59],{"id":42},"open_source","launched","solo",{"praise":64,"objections":65,"requests":66,"questions":67,"alternatives":68},[],[],[],[],[],{"comments":15,"answered":32,"key":70},[71],{"id":72,"text":73},"45950958","Discussion happening over at https:\u002F\u002Fnews.ycombinator.com\u002Fitem?id=45950396 !",{"commenters":15,"max_depth":15,"maker_replies":15,"first_comment_mins":75,"lifespan_hours":76},818,14,[78],[72,32,32,79,11,15],"other\u002Fneutral\u002Fnone",[],[82,87,92,97,101,106],{"id":83,"name":84,"points":85,"category":86},"45974012","downdetectorsdowndetector",591,"infrastructure",{"id":88,"name":89,"points":90,"category":91},"45931331","searchepsteinfiles.com",329,"data",{"id":93,"name":94,"points":95,"category":96},"45984461","F32",302,"hardware",{"id":98,"name":99,"points":100,"category":20},"45967079","trisolarchaos.com",249,{"id":102,"name":103,"points":104,"category":105},"45958988","Astral",236,"dev_tools",{"id":107,"name":108,"points":109,"category":86},"45953977","ESPectre",215,11,false,"v2",{"id":114,"name":5,"line":6,"ai":111,"cat":20,"year":13,"points":14,"comments":15,"rec":29,"s":30,"top":18,"kw":115,"maker":11,"domain":10,"tier":19,"attempts":32,"strip":116,"url":9,"mix":117,"praise":-1,"objection":-1,"sub":21},45945762,[24,25,26,27,28],"0",[32,32,32,32],1794036685829]