[{"data":1,"prerenderedAt":254},["ShallowReactive",2],{"project-13373558":3},{"id":4,"name":5,"line":5,"line_source":6,"title":7,"url":8,"domain":9,"maker":10,"posted_at":11,"year":12,"points":13,"comments":14,"rank_in_year":15,"shown_in_year":16,"top":17,"tier":18,"category":19,"subcategory":20,"format":19,"keywords":21,"reception":27,"sentiment":28,"stance_mix":29,"scored_comments":33,"aspects":34,"strip":42,"post_text":44,"what":45,"said":74,"maker_in_thread":153,"shape":161,"grid":165,"attempts":216,"same_week":217,"maker_shows":245,"maker_hidden":246,"reader_version":247,"card":248},"13373558","The Bus Stop Bus","title","Show HN: The Bus Stop Bus","https:\u002F\u002Fwww.stavros.io\u002Fposts\u002Fbus-stop-bus\u002F","stavros.io","StavrosK",1484139093,2017,125,22,336,2242,15,"notable","hardware","iot bus arrival display",[22,23,24,25,26],"bus arrival display","esp8266","iot","tfl api","oled","loved",0.455,{"positive":30,"neutral":31,"mixed":32,"critical":32},5,4,0,9,{"design":35,"pricing":37,"idea":38,"execution":40,"performance":41},{"positive":36,"critical":32},1,{"positive":32,"critical":32},{"positive":39,"critical":32},2,{"positive":39,"critical":32},{"positive":32,"critical":32},[30,32,32,32,32,32,32,43,30,32,30,43,32,32,30,43,32,43,30,32,32,32],3,null,{"problem":44,"audience":44,"pricing":46,"motivation":44,"time_to_build":53,"stack":59,"openness":72,"stage":73,"team_size":72},{"value":47,"source":48,"evidence":49},"About $9 in parts for the build ($6 electronics plus $3 for the bus)","maker",[50],{"id":51,"by":10,"text":52},"13375021","This particular build cost, hmm, $6, plus $3 for the bus (I'm assuming you have the three wires already).",{"value":54,"source":48,"evidence":55},"About two hours to build the model bus",[56],{"id":57,"by":10,"text":58},"13375513","Perhaps unsurprisingly, I had the same reaction from my SO. She loves this bus, to my dismay, because my reaction is \"it took me countless hours to build a sensor and automation…",[60,68],{"value":61,"source":62,"evidence":63},"ESP8266","commenter",[64],{"id":65,"by":66,"text":67},"13375261","jgrahamc","So, I've been using my http:\u002F\u002Fblog.jgc.org\u002F2012\u002F03\u002Fambient-bus-arrival-monitor-from-hacked.html for well over 4 years and it's proved to be really useful. Today, I would likely…",{"value":69,"source":62,"evidence":70},"OLED display",[71],{"id":65,"by":66,"text":67},"unknown","launched",{"praise":75,"objections":98,"requests":111,"questions":125,"alternatives":137},[76,83],{"value":77,"source":62,"evidence":78},"Useful for glancing at when to leave",[79,80],{"id":57,"by":10,"text":58},{"id":81,"by":10,"text":82},"13375715","That's true, although the motion-activated lights work well enough. I think it's just the utility for her, because she can just glance at the bus and know when she needs to…",{"value":84,"source":62,"evidence":85},"Fun, cheap build inspiring others' projects",[86,90,94],{"id":87,"by":88,"text":89},"13377998","milankragujevic","Wow, an excellent post! I'm really motivated now to finish my own project, which is a little bit more bulky (a lot more bulky: An old 7\" netbook which has been gutted and I made…",{"id":91,"by":92,"text":93},"13379640","bitJericho","As a freerangekids.com parent, my kids will love this! Gonna do it asap. If anything it should get them thinking about going out.",{"id":95,"by":96,"text":97},"13377721","BeniBoy","Great build! Guess this is a pretty common need! My take based on a priority sign: https:\u002F\u002Fgithub.com\u002FSeed-Up\u002FBusSign",[99,105],{"value":100,"source":62,"evidence":101},"Massive sensor networks are hard for normal people to use",[102],{"id":103,"by":66,"text":104},"13375687","Well, the buses do one thing well. Massive sensor\u002Fautomation networks tend to be a pain to use for any 'normal' person but fun for nerds.",{"value":106,"source":48,"evidence":107},"Wifi too power-hungry for battery operation",[108],{"id":109,"by":10,"text":110},"13377754","\"Long periods\" \"wifi\" and AAA, pick two. Wifi is too power-hungry for batteries, unfortunately. You'd probably get a day or two of continuous operation on a biggish battery, I'm…",[112,119],{"value":113,"source":62,"evidence":114},"Battery-powered version",[115],{"id":116,"by":117,"text":118},"13377730","joshwa","Is there any alternative to wired USB power for these kinds of projects? Are there any teeny wifi boards that can be powered for long periods by a AAA, 9V, or button cell? (IoT…",{"value":120,"source":48,"evidence":121},"Add a distance sensor to wake the display",[122],{"id":123,"by":10,"text":124},"13378058","That's a great idea! You should add a distance sensor so it only activates when someone comes within a meter or so of it. If you have temperature\u002Fmotion\u002Flight\u002Fetc sensors around…",[126,130],{"value":127,"source":62,"evidence":128},"How to power wifi boards from batteries",[129],{"id":116,"by":117,"text":118},{"value":131,"source":62,"evidence":132},"How to hack Amazon Dash buttons",[133],{"id":134,"by":135,"text":136},"13377672","marcusgarvey","Would love to know what sorts of ways you've hacked Amazon Dash.",[138,142,149],{"value":139,"source":62,"evidence":140},"Ambient bus arrival monitor by JGC",[141],{"id":65,"by":66,"text":67},{"value":143,"source":62,"evidence":144},"nextbusclock on GitHub",[145],{"id":146,"by":147,"text":148},"13378071","bass_case","I've done something similar myself. I published everything to github awhile back: https:\u002F\u002Fgithub.com\u002Fchrisgillis\u002Fnextbusclock",{"value":150,"source":62,"evidence":151},"BusSign priority sign",[152],{"id":95,"by":96,"text":97},{"comments":154,"answered":39,"key":155},7,[156,157,158],{"id":57,"text":58},{"id":81,"text":82},{"id":159,"text":160},"13378011","I don't know what JGC did, but you can detect the button's DHCP request and consider it pressed. I didn't want to do something that hacky, so I made my own Dash:…",{"commenters":162,"max_depth":31,"maker_replies":154,"first_comment_mins":163,"lifespan_hours":164},12,206,28,[166,168,170,172,174,176,178,180,183,185,187,189,193,194,197,198,200,201,204,206,209,213],[65,32,30,167,66,32],"project\u002Fpositive\u002Fdesign",[57,32,32,169,10,36],"commenter\u002Fneutral\u002Fdesign",[103,32,32,171,66,32],"commenter\u002Fcritical\u002Fidea",[81,32,32,173,10,36],"commenter\u002Fneutral\u002Fidea",[134,32,32,175,135,32],"other\u002Fneutral\u002Fnone",[159,32,32,177,10,36],"maker\u002Fneutral\u002Fexecution",[179,32,32,175,66,32],"13381004",[181,32,43,182,135,32],"13383872","maker\u002Fneutral\u002Fpricing",[87,36,30,184,88,32],"project\u002Fpositive\u002Fidea",[123,36,32,186,10,36],"project\u002Fneutral\u002Fidea",[146,39,30,188,147,32],"project\u002Fpositive\u002Fexecution",[190,43,43,191,192,32],"13374970","project\u002Fneutral\u002Fpricing","rubidium",[51,43,32,191,10,36],[195,43,32,196,192,32],"13375109","commenter\u002Fneutral\u002Fpricing",[95,31,30,188,96,32],[116,30,43,199,117,32],"project\u002Fneutral\u002Fperformance",[109,30,32,199,10,36],[202,30,43,199,203,32],"13378201","pja",[91,205,30,184,92,32],6,[207,154,32,175,208,32],"13377171","Animats",[210,211,32,175,212,32],"13378150",8,"B1FF_PSUVM",[214,211,32,215,10,36],"13378255","commenter\u002Fneutral\u002Fnone",[],[218,223,228,233,237,241],{"id":219,"name":220,"points":221,"category":222},"13338592","Alacritty",1170,"dev_tools",{"id":224,"name":225,"points":226,"category":227},"13376901","Founderkit",331,"web_saas",{"id":229,"name":230,"points":231,"category":232},"13324971","Visual Hacker News",248,"consumer_social",{"id":234,"name":235,"points":236,"category":232},"13367486","Currently",211,{"id":238,"name":239,"points":163,"category":240},"13351973","popup-openvpn","infrastructure",{"id":242,"name":243,"points":244,"category":222},"13342341","Kitty",192,14,false,"v2",{"id":249,"name":5,"line":5,"ai":246,"cat":19,"year":12,"points":13,"comments":14,"rec":27,"s":250,"top":17,"kw":251,"maker":10,"domain":9,"tier":18,"attempts":32,"strip":252,"url":8,"mix":253,"praise":77,"objection":100,"sub":20},13373558,0.46,[22,23,24,25,26],"5000000350530053035000",[30,31,32,32],1794036551596]