[{"data":1,"prerenderedAt":185},["ShallowReactive",2],{"project-6554510":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":5,"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":32,"aspects":33,"strip":36,"post_text":37,"what":38,"said":71,"maker_in_thread":115,"shape":125,"grid":128,"attempts":148,"same_week":149,"maker_shows":32,"maker_hidden":178,"reader_version":179,"card":180},"6554510","jack.minardi.org","A GitHub Activity Display with an Arduino and LED Matrix","title","Show HN: I Built a GitHub Activity Display with an Arduino and LED Matrix","http:\u002F\u002Fjack.minardi.org\u002Fprojects\u002Fdisplaying-realtime-github-activity-on-a-full-color-led-matrix\u002F","doctoboggan",1381856054,2013,40,10,620,1739,36,"shown","hardware","led display",[22,23,24,25,26],"github","led matrix","arduino","electric imp","real-time display","curious",0,{"positive":30,"neutral":31,"mixed":28,"critical":30},1,3,5,{"execution":34,"idea":35},{"positive":28,"critical":28},{"positive":28,"critical":30},[28,31,28,31,28,28,31,32,28,30],null,{"problem":39,"audience":37,"pricing":47,"motivation":54,"time_to_build":37,"stack":60,"openness":70,"stage":70,"team_size":70},{"value":40,"source":41,"evidence":42},"Shows GitHub activity visually on an LED display for decoration and motivation.","inferred",[43],{"id":44,"by":45,"text":46},"6556215","aray","I was gonna ask about that. Also could you just drive the TiM with the rPi? I have a TiM board lying around and this looks like a great project to throw up for decoration and…",{"value":48,"source":49,"evidence":50},"Built with free donated hardware; parts cost about $112 at retail.","maker",[51],{"id":52,"by":10,"text":53},"6555077","Well I actually got everything for free, so $0 ;) But if you need to purchase everything here are the prices: * Arduino: $25 * TiM Board: $45 * Electric Imp + Breakout: $42…",{"value":55,"source":49,"evidence":56},"A fun project to tackle.",[57],{"id":58,"by":10,"text":59},"6554585","Let me know if anyone has any questions, this was a fun project to tackle. The electric imp was interesting to work with, however the cost of the Imp + breakout board was more…",[61,66],{"value":62,"source":49,"evidence":63},"Arduino",[64],{"id":65},"post",{"value":67,"source":49,"evidence":68},"Electric Imp",[69],{"id":58,"by":10,"text":59},"unknown",{"praise":72,"objections":85,"requests":93,"questions":98,"alternatives":103},[73],{"value":74,"source":75,"evidence":76},"Great, awesome work on the project.","commenter",[77,81],{"id":78,"by":79,"text":80},"6554637","thebiglebrewski","Hey, great work! This is awesome! If you're looking to display weather and stock information too, you might want to check out my project here:…",{"id":82,"by":83,"text":84},"6554949","brickcap","Nice work. I don't know much about hardware programming but if I manage to recreate it I am going to use it on Christmas :) How much did it cost you?",[86],{"value":87,"source":75,"evidence":88},"Android tablet is cheaper alternative.",[89],{"id":90,"by":91,"text":92},"6555683","createaccount0","Alternative: 10 inch Android tablet for 70$.",[94],{"value":95,"source":75,"evidence":96},"Drive the display from a Raspberry Pi instead of the Imp.",[97],{"id":44,"by":45,"text":46},[99],{"value":100,"source":75,"evidence":101},"Cost comparison of Imp versus Raspberry Pi.",[102],{"id":58,"by":10,"text":59},[104,108],{"value":105,"source":75,"evidence":106},"Android tablet",[107],{"id":90,"by":91,"text":92},{"value":109,"source":75,"evidence":110},"Mozilla Imp-driven RGB LED tickers on blimp",[111],{"id":112,"by":113,"text":114},"6556680","kfury","Though there's no Neopixel library at the level of the current one for Arduino, you could drive the whole system off of the Imp. Mozilla built two RGB LED tickers, driven by an…",{"comments":116,"answered":31,"key":117},4,[118,119,122],{"id":58,"text":59},{"id":120,"text":121},"6556427","The TiM board needs very precise timing to control, I do not think this would be possible with a Raspberry Pi.",{"id":123,"text":124},"6554684","Thanks! Yeah, I love working with hardware. I will definitely check out your project.",{"commenters":126,"max_depth":31,"maker_replies":116,"first_comment_mins":127,"lifespan_hours":32},7,9,[129,131,132,133,134,137,138,142,144,146],[58,28,28,130,10,30],"project\u002Fneutral\u002Fexecution",[44,28,31,130,45,28],[120,28,28,130,10,30],[112,30,31,130,113,28],[78,135,28,136,79,28],2,"commenter\u002Fneutral\u002Fnone",[123,135,28,136,10,30],[139,31,31,140,141,28],"6555300","project\u002Fneutral\u002Fidea","ChikkaChiChi",[82,116,32,143,83,28],"project\u002Fpositive\u002Fnone",[52,116,28,145,10,30],"project\u002Fneutral\u002Fpricing",[90,32,30,147,91,28],"project\u002Fcritical\u002Fidea",[],[150,155,160,165,169,174],{"id":151,"name":152,"points":153,"category":154},"6529948","NSString Ruby",87,"languages",{"id":156,"name":157,"points":158,"category":159},"6550682","SublimeDash",68,"productivity",{"id":161,"name":162,"points":163,"category":164},"6553282","oEmbed",61,"infrastructure",{"id":166,"name":167,"points":168,"category":159},"6553304","High Five",59,{"id":170,"name":171,"points":172,"category":173},"6553692","Dnsyo",56,"dev_tools",{"id":175,"name":176,"points":177,"category":159},"6562352","Hacker News Talk",48,false,"v2",{"id":181,"name":5,"line":6,"ai":178,"cat":19,"year":12,"points":13,"comments":14,"rec":27,"s":28,"top":17,"kw":182,"maker":10,"domain":5,"tier":18,"attempts":28,"strip":183,"url":9,"mix":184,"praise":74,"objection":87,"sub":20},6554510,[22,23,24,25,26],"0303003501",[30,31,28,30],1793990898561]