[{"data":1,"prerenderedAt":272},["ShallowReactive",2],{"project-18885369":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":28,"sentiment":29,"stance_mix":30,"scored_comments":34,"aspects":35,"strip":39,"post_text":42,"what":43,"said":88,"maker_in_thread":168,"shape":175,"grid":179,"attempts":235,"same_week":236,"maker_shows":40,"maker_hidden":264,"reader_version":265,"card":266},"18885369","FarmNet","An open-source LoRA agricultural sensing\u002Factuation network","title","Show HN: FarmNet, an open-source LoRA agricultural sensing\u002Factuation network","https:\u002F\u002Fframagit.org\u002FGabe\u002Ffarmnet","framagit.org","tehf0x",1547229609,2019,139,25,325,2195,15,"notable","infrastructure","sensor networks","library",[24,25,26,27],"lora","sensor network","arduino","farm automation","debated",0.333,{"positive":31,"neutral":32,"mixed":33,"critical":32},4,2,0,8,{"performance":36,"idea":37},{"positive":33,"critical":32},{"positive":38,"critical":33},3,[33,33,33,33,33,33,33,33,38,40,33,38,40,41,33,33,33,33,33,33,33,33,41,41,41],1,5,null,{"problem":44,"audience":51,"pricing":42,"motivation":64,"time_to_build":42,"stack":68,"openness":85,"stage":86,"team_size":87},{"value":45,"source":46,"evidence":47},"Remote farm equipment failures go unnoticed; routine tasks like coop doors and irrigation need automating","maker",[48],{"id":49,"by":11,"text":50},"18886184","Hey guys, just a bit of backstory as suggested by a mod: tl;dr is that with this python script and one of the arduino sketches you can get an out-of-the-box remote sensing…",{"value":52,"source":53,"evidence":54},"Farmers and countryside hobbyists","inferred",[55,56,60],{"id":49,"by":11,"text":50},{"id":57,"by":58,"text":59},"18888052","CalRobert","Thanks!! It so happens I'm signing on a house on a few acres Monday and want to set up remote soil sensors - this seems like just the thing for coordination.",{"id":61,"by":62,"text":63},"18887116","Sendotsh","This looks very cool, and I actually have a farm project right now that could use it.",{"value":65,"source":46,"evidence":66},"Help neighbouring farmers catch remote failures and automate maintenance",[67],{"id":49,"by":11,"text":50},[69,73,77,81],{"value":70,"source":46,"evidence":71},"Python",[72],{"id":49,"by":11,"text":50},{"value":74,"source":46,"evidence":75},"Arduino",[76],{"id":49,"by":11,"text":50},{"value":78,"source":46,"evidence":79},"SQLite",[80],{"id":49,"by":11,"text":50},{"value":82,"source":46,"evidence":83},"LoRa",[84],{"id":49,"by":11,"text":50},"open_source","launched","unknown",{"praise":89,"objections":100,"requests":127,"questions":141,"alternatives":156},[90],{"value":91,"source":92,"evidence":93},"Useful for farm sensing projects","commenter",[94,95,96],{"id":57,"by":58,"text":59},{"id":61,"by":62,"text":63},{"id":97,"by":98,"text":99},"18888978","chicob","Cool. I think I have some use for this.",[101,112],{"value":102,"source":92,"evidence":103},"'Remote sensing' term is confusing; usually means aerial crop imaging",[104,108],{"id":105,"by":106,"text":107},"18887158","rmason","Just a tip, in the states the term 'remote sensing' refers to aerial photography of crops either by satellite, airplane or drone. These photos can find problems in the growing…",{"id":109,"by":110,"text":111},"18888455","neetdeth","From Wikipedia: > Remote sensing is the acquisition of information about an object or phenomenon without making physical contact with the object and thus in contrast to on-site…",{"value":113,"source":92,"evidence":114},"LoRaWAN jamming and unreliable acks are concerns",[115,119,123],{"id":116,"by":117,"text":118},"18890021","tibu","I'm not that deep involved in LoRa but isn't there a problem with it that by spamming the network you can take down the whole one with a $3 device?",{"id":120,"by":121,"text":122},"18890193","dbrgn","In general LoRa (and LoRaWan) are designed to be very resilient against interference, but targeted jamming seems possible: https:\u002F\u002Farxiv.org\u002Fpdf\u002F1712.02141.pdf On the other hand,…",{"id":124,"by":125,"text":126},"18901562","d21d3q","I've played with LoRaWAN and I think that it has one major problem. Limited ack frames. In such case you can not be 100% sure about your data. Symphony link claims that they have…",[128,135],{"value":129,"source":92,"evidence":130},"Integration with farmOS",[131],{"id":132,"by":133,"text":134},"18889123","staticvar","It would be cool to see this sending data to farmOS running on the Raspberry Pi. farmOS has a nice graphing and mapping UI for assets on farms and I know they have it running on…",{"value":136,"source":46,"evidence":137},"Integration with OpenSprinkler",[138],{"id":139,"by":11,"text":140},"18890453","Oh cool, I'll give this a look! I also want to get integration working with OpenSprinkler in the near future.",[142,149],{"value":143,"source":92,"evidence":144},"Which cheap LoRa radios to buy",[145],{"id":146,"by":147,"text":148},"18888449","StavrosK","Does anyone know some cheap LoRa radios I can buy? I'd like to play with it, but so far I only know about the LoPy (expensive but easy to program) and some no-name radios for…",{"value":150,"source":92,"evidence":151},"Comparison table of LoRa range, speed and power",[152],{"id":153,"by":154,"text":155},"18890768","wiradikusuma","Is there any table\u002Fmatrix to compare basically \"for this use that\"? Esp in terms of range, speed, bandwidth and power consumption (and maybe licensing?)?",[157,161],{"value":158,"source":92,"evidence":159},"farmOS",[160],{"id":132,"by":133,"text":134},{"value":162,"source":92,"evidence":163},"LoRaWAN",[164],{"id":165,"by":166,"text":167},"18886007","xd1936","LoRa is awesome technology, if you haven't yet played with it. Here in West Michigan, our city's Board of Public Works runs the local power station, which in turn powers snowmelt…",{"comments":41,"answered":32,"key":169},[170,171,174],{"id":49,"text":50},{"id":172,"text":173},"18890462","This could definitely be an issue, but in my use case I think I'd find the perp pretty quickly and scare him off with my pitchfork :) . It's important to space out the messaging,…",{"id":139,"text":140},{"commenters":176,"max_depth":41,"maker_replies":41,"first_comment_mins":177,"lifespan_hours":178},19,75,63,[180,182,184,187,189,192,195,198,200,202,204,206,209,210,212,213,215,219,221,224,226,228,229,230,232],[49,33,33,181,11,40],"maker\u002Fneutral\u002Fnone",[105,33,33,183,106,33],"commenter\u002Fneutral\u002Fnone",[185,33,33,183,186,33],"18888070","pygy_",[109,33,33,188,110,33],"commenter\u002Fneutral\u002Fdocs",[190,33,33,183,191,33],"18888713","brodouevencode",[193,33,33,183,194,33],"18889483","asynchronous13",[196,33,33,183,197,33],"18890582","TeMPOraL",[165,40,33,199,166,33],"other\u002Fpositive\u002Fnone",[116,40,38,201,117,33],"project\u002Fneutral\u002Fperformance",[120,40,40,203,121,33],"project\u002Fcritical\u002Fperformance",[172,40,33,205,11,40],"maker\u002Fneutral\u002Fperformance",[207,40,38,181,208,33],"18890745","chli",[124,40,40,203,125,33],[132,32,41,211,133,33],"project\u002Fpositive\u002Fidea",[139,32,33,181,11,40],[146,38,33,214,147,33],"other\u002Fneutral\u002Fpricing",[216,38,33,217,218,33],"18888665","other\u002Fneutral\u002Fnone","frazar0",[220,38,33,183,147,33],"18888702",[222,38,33,223,11,40],"18888806","maker\u002Fneutral\u002Fdocs",[225,38,33,217,147,33],"18888908",[227,38,33,181,11,40],"18890456",[153,31,33,217,154,33],[57,41,41,211,58,33],[61,231,41,211,62,33],6,[97,233,41,234,98,33],7,"project\u002Fpositive\u002Fnone",[],[237,242,247,251,256,260],{"id":238,"name":239,"points":240,"category":241},"18902561","HeyFromTheFuture",355,"consumer_social",{"id":243,"name":244,"points":245,"category":246},"18911317","The Plain Contract",299,"productivity",{"id":248,"name":249,"points":250,"category":246},"18872599","JournalBook",268,{"id":252,"name":253,"points":254,"category":255},"18919581","Postmake",197,"dev_tools",{"id":257,"name":258,"points":259,"category":255},"18879209","workstation",155,{"id":261,"name":262,"points":263,"category":20},"18873652","Shellvault",114,false,"v2",{"id":267,"name":5,"line":6,"ai":264,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":268,"top":18,"kw":269,"maker":11,"domain":10,"tier":19,"attempts":33,"strip":270,"url":9,"mix":271,"praise":91,"objection":102,"sub":21},18885369,0.33,[24,25,26,27],"0000000031031500000000555",[31,32,33,32],1794036573916]