[{"data":1,"prerenderedAt":407},["ShallowReactive",2],{"project-34035628":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":28,"sentiment":29,"stance_mix":30,"scored_comments":35,"aspects":36,"strip":43,"post_text":44,"what":45,"said":61,"maker_in_thread":124,"shape":135,"grid":140,"attempts":370,"same_week":371,"maker_shows":34,"maker_hidden":400,"reader_version":401,"card":402},"34035628","I made an Ethernet transceiver from logic gates","An Ethernet transceiver from logic gates","title","Show HN: I made an Ethernet transceiver from logic gates","https:\u002F\u002Fimihajlov.tk\u002Fblog\u002Fposts\u002Feth-to-spi\u002F","imihajlov.tk","ynoxinul",1671346852,2022,460,85,65,2570,3,"legend","hardware","ethernet transceiver",[23,24,25,26,27],"ethernet","logic gates","spi","10base-t","discrete logic","mixed",0.28,{"positive":31,"neutral":32,"mixed":33,"critical":34},10,11,0,2,23,{"idea":37,"execution":39,"docs":41},{"positive":38,"critical":33},5,{"positive":40,"critical":33},4,{"positive":42,"critical":34},1,[33,33,33,33,33,33,33,33,33,33,33,38,33,33,33,38,38,18,38,18,33,33,33,38,33,18,42,33,42,18,33,38,18,18,38,18,18,38,33,38],null,{"problem":46,"audience":44,"pricing":44,"motivation":53,"time_to_build":44,"stack":59,"openness":60,"stage":60,"team_size":60},{"value":47,"source":48,"evidence":49},"Converts serial Ethernet signal to SPI using discrete logic gates","maker",[50],{"id":51,"by":11,"text":52},"34039843","The preamble is intended for synchronization, the last two consequtive ones indicate the start of the data. My circuit doesn't drop any frames, it simply converts serial Ethernet…",{"value":54,"source":48,"evidence":55},"Fun project, building with logic gates",[56],{"id":57,"by":11,"text":58},"34036438","It's a fun project. I feel like building stuff with logic gates.",[],"unknown",{"praise":62,"objections":84,"requests":85,"questions":93,"alternatives":115},[63,79],{"value":64,"source":65,"evidence":66},"Impressive retro-computing build with physical chips","commenter",[67,71,75],{"id":68,"by":69,"text":70},"34038312","bjt2n3904","Oh wow. I had thought this was, \"I simulated it in a high level HDL and synthesized it to gates\". No, this is... I built it with physical chips. Brilliant build and write-up!…",{"id":72,"by":73,"text":74},"34038264","0xmarcin","What a mervell of retro-computing. I think the author should definitely contact Ben Eater, as this is an excellent material for the next video. Aside from this, Arduino shields…",{"id":76,"by":77,"text":78},"34036477","psychphysic","I love this stuff, well over my head but amazing read and so grateful for the scope captures!",{"value":80,"source":65,"evidence":81},"Excellent write-up and scope captures",[82,83],{"id":76,"by":77,"text":78},{"id":68,"by":69,"text":70},[],[86],{"value":87,"source":65,"evidence":88},"Thicknet version",[89],{"id":90,"by":91,"text":92},"34039292","systems_glitch","Nice work! Now do thicknet :P",[94,101,108],{"value":95,"source":65,"evidence":96},"Why use discrete chips instead of an FPGA",[97],{"id":98,"by":99,"text":100},"34036420","charcircuit","What is the benefit of using all of these different components over using an FPGA?",{"value":102,"source":65,"evidence":103},"Whether decoupling capacitors are used",[104],{"id":105,"by":106,"text":107},"34038204","jtlienwis","Look on Hackaday for \"Why do you need to use decoupling caps\". I am not seeing any talk of decoupling caps in any of this persons writeups. Maybe they are there and I am just not…",{"value":109,"source":65,"evidence":110},"Whether Manchester code is used in later Ethernet standards",[111],{"id":112,"by":113,"text":114},"34036995","amelius","From Wikipedia: > Manchester code was used in early Ethernet physical layer standards So, not in later standards?",[116,120],{"value":117,"source":65,"evidence":118},"Arduino Ethernet shields",[119],{"id":72,"by":73,"text":74},{"value":121,"source":65,"evidence":122},"CAN bus",[123],{"id":72,"by":73,"text":74},{"comments":125,"answered":126,"key":127},9,6,[128,131,132],{"id":129,"text":130},"34037352","Yes, but this is only the case with 10BASE-T. Modern standards use more complicated Fast Link Pulses.",{"id":51,"text":52},{"id":133,"text":134},"34043119","A manchester-encoded bit 1 is a low-to-high transition: there should be \"low\" on the line which will change to \"high\". Before the \"low\" the line was idle (zero voltage…",{"commenters":136,"max_depth":137,"maker_replies":125,"first_comment_mins":138,"lifespan_hours":139},53,7,141,80,[141,145,148,151,153,156,159,161,164,167,169,171,173,176,179,182,184,186,189,191,193,195,198,201,204,208,212,215,217,219,221,224,226,229,230,232,236,238,241,244,246,248,249,252,254,256,258,260,263,265,267,270,272,276,280,282,284,287,290,293,296,298,301,303,306,309,311,314,319,324,326,329,332,334,338,343,346,348,349,352,356,359,362,365,368],[142,33,33,143,144,33],"34036432","commenter\u002Fneutral\u002Fnone","PostOnce",[146,33,33,143,147,33],"34036456","moffkalast",[149,33,33,143,150,33],"34036504","actionfromafar",[152,33,33,143,147,33],"34036514",[154,33,33,143,155,33],"34038746","layer8",[157,33,33,143,158,33],"34038786","kfajdsl",[160,33,33,143,147,33],"34043817",[162,33,33,143,163,33],"34036564","samjmck",[165,33,33,143,166,33],"34036597","climb_stealth",[168,33,33,143,163,33],"34042735",[170,33,33,143,147,33],"34036612",[172,33,33,143,144,33],"34036689",[174,33,33,143,175,33],"34037079","OJFord",[177,33,33,143,178,33],"34038495","Gordonjcp",[180,33,33,143,181,33],"34036573","TaylorAlexander",[183,33,33,143,147,33],"34036596",[185,33,33,143,181,33],"34036650",[187,33,33,143,188,33],"34037627","867-5309",[190,33,33,143,181,33],"34043562",[192,33,33,143,178,33],"34038499",[194,33,33,143,144,33],"34036649",[196,33,33,143,197,33],"34045301","1kurac",[199,33,33,143,200,33],"34037245","teddyh",[202,33,33,143,203,33],"34037326","marginalia_nu",[205,42,38,206,207,33],"34036960","project\u002Fpositive\u002Fidea","greenyoda",[209,42,33,210,211,33],"34038222","other\u002Fneutral\u002Fnone","aswanson",[213,42,33,210,214,33],"34038696","db48x",[216,42,33,210,207,33],"34043361",[218,42,33,210,214,33],"34051669",[220,42,33,210,211,33],"34075242",[222,42,33,210,223,33],"34081116","rasz",[225,42,33,210,178,33],"34038511",[227,42,33,210,228,33],"34038640","tyingq",[72,34,38,206,73,33],[68,18,38,231,69,33],"project\u002Fpositive\u002Fexecution",[233,40,18,234,235,33],"34036568","project\u002Fneutral\u002Fidea","mikewarot",[129,40,33,237,11,42],"project\u002Fneutral\u002Fexecution",[239,40,18,237,240,33],"34042940","kevin_thibedeau",[242,38,38,231,243,33],"34039696","bogomipz",[51,38,33,245,11,42],"maker\u002Fneutral\u002Fexecution",[247,38,18,237,243,33],"34041226",[133,38,33,245,11,42],[250,38,33,143,251,33],"34040628","zamadatix",[253,38,33,143,243,33],"34041102",[255,38,33,143,251,33],"34047900",[257,38,33,143,243,33],"34055258",[259,38,33,143,251,33],"34058891",[261,38,33,262,243,33],"34060308","commenter\u002Fpositive\u002Fnone",[264,38,33,210,223,33],"34081309",[76,126,38,266,77,33],"project\u002Fpositive\u002Fdocs",[268,137,18,237,269,33],"34036350","userbinator",[271,137,33,245,11,42],"34036416",[273,137,33,274,275,33],"34047530","commenter\u002Fneutral\u002Fexecution","oakwhiz",[277,278,18,245,279,33],"34036212",8,"omeze",[281,278,33,245,11,42],"34036269",[105,125,42,283,106,33],"project\u002Fcritical\u002Fdocs",[285,125,33,286,11,42],"34038252","maker\u002Fneutral\u002Fdocs",[288,125,33,143,289,33],"34038361","bogantech",[291,31,33,210,292,33],"34036417","55555",[294,32,42,283,295,33],"34036296","Evidlo",[297,32,33,286,11,42],"34036423",[299,32,18,286,300,33],"34036924","exmadscientist",[302,32,33,286,11,42],"34037276",[304,32,33,143,305,33],"34037344","unwind",[307,32,33,143,308,33],"34038109","pwg",[310,32,33,143,300,33],"34044090",[312,32,33,143,313,33],"34046643","aaronmdjones",[315,316,38,317,318,33],"34036517",12,"maker\u002Fpositive\u002Fidea","testermelon",[320,321,33,322,323,33],"34037617",13,"other\u002Fpositive\u002Fnone","alexnewman",[112,325,18,237,113,33],14,[327,325,18,237,328,33],"34037097","detaro",[330,325,33,210,331,33],"34039206","Aromasin",[333,325,33,210,223,33],"34081371",[335,336,38,317,337,33],"34036660",15,"birdyrooster",[339,340,18,341,342,33],"34036357",16,"maker\u002Fneutral\u002Fnone","mgsouth",[90,344,18,345,91,33],17,"maker\u002Fneutral\u002Fidea",[98,347,18,234,99,33],18,[57,347,33,345,11,42],[350,347,38,206,351,33],"34036481","meltedcapacitor",[353,354,33,210,355,33],"34036192",19,"verisimi",[357,354,33,210,358,33],"34036252","tintedfireglass",[360,354,33,210,361,33],"34037083","revskill",[363,354,38,231,364,33],"34036366","stavros",[366,354,38,231,367,33],"34037450","Myrmornis",[369,354,33,210,214,33],"34038794",[],[372,377,382,386,391,396],{"id":373,"name":374,"points":375,"category":376},"34066824","Obsidian Canvas",1380,"productivity",{"id":378,"name":379,"points":380,"category":381},"34083366","Portable Secret",1290,"security_privacy",{"id":383,"name":384,"points":385,"category":376},"34006202","Readwise Reader",326,{"id":387,"name":388,"points":389,"category":390},"34067109","paid link to",316,"web_saas",{"id":392,"name":393,"points":394,"category":395},"34015953","Forma",291,"languages",{"id":397,"name":398,"points":399,"category":376},"34034414","bramses highly opinionated vault 2023",258,false,"v2",{"id":403,"name":5,"line":6,"ai":400,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":29,"top":18,"kw":404,"maker":11,"domain":10,"tier":19,"attempts":33,"strip":405,"url":9,"mix":406,"praise":64,"objection":-1,"sub":21},34035628,[23,24,25,26,27],"0000000000050005535300050310130533533505",[31,32,33,34],1793991056771]