[{"data":1,"prerenderedAt":695},["ShallowReactive",2],{"project-40694254":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":46,"post_text":49,"what":50,"said":87,"maker_in_thread":219,"shape":221,"grid":225,"attempts":657,"same_week":658,"maker_shows":48,"maker_hidden":687,"reader_version":688,"card":689},"40694254","MUREX Robotics network switch","A small and cheap network switch","title","Show HN: We made a small and cheap network switch","https:\u002F\u002Fdocs.murexrobotics.com\u002Felec\u002Fboards\u002Fnetworking\u002Fswitch","docs.murexrobotics.com","byran",1718504815,2024,666,158,33,3515,1,"legend","hardware","ethernet switch board",[23,24,25,26,27],"ethernet switch","open source hardware","robotics","embedded ethernet","jlcpcb","curious",0.216,{"positive":31,"neutral":32,"mixed":33,"critical":34},32,73,0,8,113,{"idea":37,"design":40,"performance":41,"pricing":43,"docs":44,"execution":45},{"positive":38,"critical":39},7,2,{"positive":18,"critical":33},{"positive":33,"critical":42},4,{"positive":39,"critical":39},{"positive":18,"critical":33},{"positive":33,"critical":33},[47,47,33,33,33,18,48,47,48,39,48,18,48,48,39,47,48,48,39,42,48,48,47,42,47,48,48,42,42,42,48,47,42,48,42,48,47,47,47,48],5,3,"Hello, we're Max and Byran from MUREX Robotics, a high school robotics team from Exeter, New Hampshire. We are super proud to have made this open source piece of technology! It is only 6.9 dollars (actually!) from JLCPCB :) I hope you like it.\n\nYou can find us at byran@mrx.ee and max@mrx.ee as well if you have any questions.\n\nWe will be putting a small run of these boards for sale somewhere (we have \u003C25 units of stock), probably for $10+shipping. Let us know if you're interested in more!\n\nBoard files for everything we make is here: https:\u002F\u002Fgithub.com\u002Fmurexrobotics\u002Felectrical-2024",{"problem":51,"audience":61,"pricing":73,"motivation":77,"time_to_build":82,"stack":83,"openness":84,"stage":85,"team_size":86},{"value":52,"source":53,"evidence":54},"Small, cheap Ethernet switch for robotics and space-constrained systems","maker",[55,57],{"id":56},"post",{"id":58,"by":59,"text":60},"40694596","Hello9999901","\"making this product sector a tiny bit better\" is exactly what MUREX is all about :). It's something we honestly believe in and will continue working on as long as we're around.…",{"value":62,"source":63,"evidence":64},"Robotics builders and embedded system designers","inferred",[65,69],{"id":66,"by":67,"text":68},"40695144","numpad0","This isn't a desktop Ethernet switch. Lots of robotic parts like industrial cameras and fancy laser sensors use Ethernet for interfacing instead of USB or RS232C. Doing so solves…",{"id":70,"by":71,"text":72},"40694587","sr-latch","Awesome work! It's really cool to see this from a high school team. While designing liquid rocket avionics [1] at Purdue Space Program, we went with a BotBlox switch that cost…",{"value":74,"source":53,"evidence":75},"About $6.90 from JLCPCB; planned sale around $10 plus shipping",[76],{"id":56},{"value":78,"source":53,"evidence":79},"Make a product sector a bit better; open hardware for robotics",[80,81],{"id":58,"by":59,"text":60},{"id":56},null,[],"open_source","launched","team",{"praise":88,"objections":115,"requests":145,"questions":172,"alternatives":194},[89,102,110],{"value":90,"source":91,"evidence":92},"Impressive work from a high school team","commenter",[93,94,98],{"id":70,"by":71,"text":72},{"id":95,"by":96,"text":97},"40694708","ChuckMcM","This is truely awesome! Hat's off. If you're experience in college is anything like mine you will find that 90% of the incoming freshman class is looking at \"electronics\" for the…",{"id":99,"by":100,"text":101},"40694510","spcebar","Congratulations! Impressive work for any age. Is creating bespoke parts a requirement for your robotics competition or just a part of your team's ethos?",{"value":103,"source":91,"evidence":104},"Very low price for an embedded switch",[105,106],{"id":70,"by":71,"text":72},{"id":107,"by":108,"text":109},"40695527","auselen","Congrats. A few months ago I wanted to make a small lab out of a few SBCs. Looking for a cheap 10\u002F100 switch, I was surprised to see prices are this low; got a tplink 8 port \u002F…",{"value":111,"source":91,"evidence":112},"Useful form factor for robotics and embedded systems",[113,114],{"id":66,"by":67,"text":68},{"id":95,"by":96,"text":97},[116,127,138],{"value":117,"source":91,"evidence":118},"Only 100Mbps, not gigabit",[119,123],{"id":120,"by":121,"text":122},"40696032","znpy","Worth noting though that the switch you linked claims to be a gigabit switch while the switch from murex is 100Mbpbs. Not sure if that justified the price difference",{"id":124,"by":125,"text":126},"40694473","Blammar","Nice work indeed. However, was there a reason you didn't support gigabit ethernet? I haven't used 100mbit ethernet for more than a decade...",{"value":128,"source":91,"evidence":129},"Not actually cheaper than commodity switches and enclosures",[130,134],{"id":131,"by":132,"text":133},"40694853","banish-m4","Nice project and good work. The only thing is it doesn't address a new or existing market as-is because it competes with what already exists. For example, a TrendNet 10\u002F100…",{"id":135,"by":136,"text":137},"40694464","jiveturkey","hmm ... not the cheapest. $7 is just for the PCB (assembly) right? you need an enclosure and power supply as well. monoprice #41710 is $10 all in with a price break starting at…",{"value":139,"source":91,"evidence":140},"Claim of world's smallest questioned against BotBlox size",[141],{"id":142,"by":143,"text":144},"40695143","rgovostes","The comparable BotBlox SwitchBlox Nano is 25.50 x 25.50 mm, albeit with two fewer ports. This is 44.90 x 42.11 mm. How do you justify the claim of being the world's smallest?",[146,158,165],{"value":147,"source":91,"evidence":148},"Gigabit or 2.5G\u002F10G version",[149,150,154],{"id":124,"by":125,"text":126},{"id":151,"by":152,"text":153},"40697383","tgtweak","Can you make a 2.5g version",{"id":155,"by":156,"text":157},"40698497","OrvalWintermute","Can you produce a 10Gb version of the same?",{"value":159,"source":91,"evidence":160},"Power over Ethernet support",[161],{"id":162,"by":163,"text":164},"40696678","StephenSmith","Now do POE",{"value":166,"source":91,"evidence":167},"VLAN management",[168],{"id":169,"by":170,"text":171},"40694364","contingencies","Nice job guys. For your next challenge, see if you can find a cost-effective way to add VLAN management, or do something cute with the form factor, like make it fit inside a…",[173,180,187],{"value":174,"source":91,"evidence":175},"Are board layout files available",[176],{"id":177,"by":178,"text":179},"40694396","jakeogh","Very cool. It says fully open source, are the board layout files available?",{"value":181,"source":91,"evidence":182},"Does it use auto-MDIX",[183],{"id":184,"by":185,"text":186},"40699707","xhrpost","Sorry if I missed it on the page but are all the ports Auto-MDIX?",{"value":188,"source":91,"evidence":189},"Why 100Mbps instead of single-pair Ethernet",[190],{"id":191,"by":192,"text":193},"40695792","zokier","Why classic full-fat fast-ethernet (base-tx) instead of single-pair ethernet (base-t1 or t1l\u002Ft1s) if you are targeting embedded use?",[195,200,205,212],{"value":196,"source":91,"evidence":197},"BotBlox SwitchBlox",[198,199],{"id":70,"by":71,"text":72},{"id":142,"by":143,"text":144},{"value":201,"source":91,"evidence":202},"TrendNet and TP-Link 10\u002F100 switches",[203,204],{"id":131,"by":132,"text":133},{"id":107,"by":108,"text":109},{"value":206,"source":91,"evidence":207},"Brainboxes PE-505",[208],{"id":209,"by":210,"text":211},"40696103","wal5hy","Congratulations MUREX Robotics team, great job! There are products at different price points on the market, for example this 55x55mm switch from my company Brainboxes[1] is sub…",{"value":213,"source":91,"evidence":214},"Blue Robotics ethernet switch",[215],{"id":216,"by":217,"text":218},"40695859","moffkalast","> It is only 6.9 dollars > probably for $10+shipping You could honestly sell it for $30-40 and it would still be a pretty good deal. Meanwhile Blue Robotics be like \"that'll be…",{"comments":33,"answered":33,"key":220},[],{"commenters":222,"max_depth":38,"maker_replies":33,"first_comment_mins":223,"lifespan_hours":224},89,34,235,[226,228,229,232,236,239,242,246,250,253,256,260,263,266,269,272,274,277,280,282,285,287,289,291,293,296,298,302,305,308,310,312,316,318,320,322,324,326,330,331,334,337,339,341,344,347,350,352,354,357,359,362,365,368,371,375,378,380,384,386,388,391,393,397,398,401,403,406,409,412,415,417,420,423,424,426,430,432,436,438,440,442,444,448,451,453,458,460,464,466,469,473,475,477,479,481,485,487,490,493,495,497,501,503,505,508,511,514,516,518,520,522,526,530,532,537,539,543,545,548,551,554,556,559,562,565,567,571,575,578,581,584,586,590,592,594,596,599,601,603,607,609,611,615,617,619,621,625,627,631,634,638,640,644,646,648,650,654],[70,33,47,227,71,33],"maker\u002Fpositive\u002Fidea",[58,33,47,227,59,33],[230,33,47,231,71,33],"40694643","project\u002Fpositive\u002Fidea",[233,33,33,234,235,33],"40694932","other\u002Fneutral\u002Fnone","knappe",[237,33,33,234,238,33],"40695205","tejtm",[240,33,47,241,59,33],"40698179","maker\u002Fpositive\u002Fnone",[243,33,47,244,245,33],"40694730","project\u002Fpositive\u002Fdesign","minetest2048",[247,33,33,248,249,33],"40694912","commenter\u002Fneutral\u002Fdesign","RedShift1",[251,33,33,248,252,33],"40695541","semi-extrinsic",[254,33,33,248,255,33],"40695618","TaylorAlexander",[257,33,33,258,259,33],"40695759","other\u002Fneutral\u002Fdesign","kenz0r",[261,33,33,258,262,33],"40696983","fl7305",[264,33,33,265,255,33],"40699134","commenter\u002Fneutral\u002Fnone",[267,33,33,258,268,33],"40697264","crote",[270,33,33,265,271,33],"40695858","phero_cnstrcts",[273,33,33,265,252,33],"40698570",[275,33,33,248,276,33],"40697783","tinco",[278,33,33,248,279,33],"40697885","joshvm",[281,33,33,258,252,33],"40698615",[283,33,33,258,284,33],"40708555","wildzzz",[120,33,18,286,121,33],"project\u002Fcritical\u002Fperformance",[209,33,33,288,210,33],"other\u002Fneutral\u002Fidea",[290,33,33,265,59,33],"40697513",[292,33,33,234,210,33],"40700715",[294,18,48,295,67,33],"40694606","project\u002Fneutral\u002Fdesign",[297,18,48,295,59,33],"40694658",[299,18,48,300,301,33],"40694681","maker\u002Fneutral\u002Fdesign","quailfarmer",[303,18,33,248,304,33],"40695613","stavros",[306,18,33,248,307,33],"40696437","stephen_g",[309,18,33,248,304,33],"40696598",[311,18,47,241,59,33],"40697483",[313,18,48,314,315,33],"40698700","maker\u002Fneutral\u002Fnone","_zoltan_",[317,18,48,295,152,33],"40697419",[319,18,48,295,67,33],"40697990",[321,18,48,295,284,33],"40708622",[323,18,48,295,284,33],"40708582",[131,39,18,325,132,33],"project\u002Fcritical\u002Fidea",[327,39,18,328,329,33],"40695016","project\u002Fcritical\u002Fpricing","userbinator",[66,39,47,231,67,33],[332,39,48,295,333,33],"40695308","globular-toast",[335,39,33,248,336,33],"40695346","varjag",[338,39,33,248,333,33],"40695411",[340,39,33,248,336,33],"40695683",[342,39,33,248,343,33],"40698911","toast0",[345,39,18,286,346,33],"40697096","sgtnoodle",[348,39,48,349,333,33],"40697845","project\u002Fneutral\u002Fperformance",[351,39,33,234,210,33],"40696175",[353,39,48,295,336,33],"40696372",[355,39,33,234,356,33],"40699205","lostlogin",[358,39,33,234,210,33],"40700627",[360,39,48,295,361,33],"40695777","p_l",[363,39,33,234,364,33],"40696182","gertrunde",[366,39,33,367,268,33],"40697349","other\u002Fneutral\u002Fperformance",[369,39,33,234,370,33],"40699801","mike_d",[372,48,48,373,374,33],"40694369","project\u002Fneutral\u002Fdocs","bruce511",[376,48,48,377,59,33],"40694407","maker\u002Fneutral\u002Fdocs",[142,42,48,379,143,33],"project\u002Fneutral\u002Fidea",[381,42,48,382,383,33],"40696726","maker\u002Fneutral\u002Fidea","xamuil",[385,42,18,325,370,33],"40698932",[216,47,47,387,217,33],"project\u002Fpositive\u002Fpricing",[389,47,33,390,67,33],"40698259","commenter\u002Fneutral\u002Fpricing",[392,47,33,390,217,33],"40698572",[394,395,47,241,396,33],"40793809",6,"marcogarces",[124,38,48,349,125,33],[399,38,48,349,400,33],"40694520","aunver",[402,38,48,349,343,33],"40694568",[404,38,48,349,405,33],"40694575","nativeit",[407,38,48,349,408,33],"40694620","procarch2019",[410,38,48,349,411,33],"40694611","jtriangle",[413,38,48,349,414,33],"40694715","teruakohatu",[416,38,33,265,346,33],"40697108",[418,38,48,349,419,33],"40694910","jmb99",[421,38,18,286,422,33],"40699953","liotier",[191,34,48,295,192,33],[425,34,48,300,59,33],"40696738",[427,428,47,231,429,33],"40695148",9,"advael",[431,428,48,314,59,33],"40697192",[433,434,48,379,435,33],"40695718",10,"rbanffy",[437,434,33,234,59,33],"40697439",[439,434,33,234,435,33],"40703736",[177,441,48,373,178,33],11,[443,441,48,377,59,33],"40694420",[445,446,48,349,447,33],"40695315",12,"schobi",[449,446,48,450,59,33],"40697422","maker\u002Fneutral\u002Fperformance",[452,446,18,286,268,33],"40697435",[454,455,47,456,457,33],"40699039",13,"project\u002Fpositive\u002Fnone","AstroJetson",[459,455,48,314,59,33],"40699308",[461,462,47,241,463,33],"40696972",14,"FredPret"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