[{"data":1,"prerenderedAt":353},["ShallowReactive",2],{"project-42200099":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":27,"sentiment":28,"stance_mix":29,"scored_comments":34,"aspects":35,"strip":42,"post_text":44,"what":45,"said":91,"maker_in_thread":166,"shape":175,"grid":180,"attempts":314,"same_week":315,"maker_shows":32,"maker_hidden":345,"reader_version":346,"card":347},"42200099","Monty","We open-sourced our compost monitoring tech","title","Show HN: We open-sourced our compost monitoring tech","https:\u002F\u002Fgithub.com\u002Fgtls64\u002FMontyHome-Hackers-Guide","github.com","montycompostco",1732152607,2024,236,57,312,3515,9,"notable","hardware","compost monitoring sensors",[23,24,25,26],"compost monitoring","open source sensors","compost sensor","raspberry pi sensors","curious",0.212,{"positive":30,"neutral":31,"mixed":32,"critical":33},6,11,1,2,20,{"idea":36,"pricing":38,"execution":40,"performance":41},{"positive":37,"critical":32},3,{"positive":32,"critical":39},0,{"positive":39,"critical":39},{"positive":39,"critical":32},[43,39,39,39,39,39,37,37,39,39,39,37,39,37,43,39,37,37,39,39,39,37,39,43,39,39,39,39,43,39,37,32,39,43,37,37,37,39,37,39],5,"I'm from a compost tech startup (Monty Compost Co.) focused on making composting more efficient for households and industrial facilities. But our tech isn’t just for composting— it’s a versatile system that can be repurposed for a wide range of applications. So, we’ve made it open source for anyone to experiment with!\n\nOne of the exciting things about our open-source compost monitoring tech is its flexibility. You can connect it to platforms like Raspberry Pi, Arduino, or other single-board computers to expand its capabilities or integrate it into your own projects.\n\nOur system includes sensor",{"problem":46,"audience":55,"pricing":64,"motivation":65,"time_to_build":64,"stack":69,"openness":88,"stage":89,"team_size":90},{"value":47,"source":48,"evidence":49},"Monitoring compost activity to speed breakdown and improve compost quality","maker",[50,52],{"id":51},"post",{"id":53,"by":11,"text":54},"42231882","Yes that’s valid. For a lot of setups, this approach works really well. In terms of the big benefit - faster breakdown, better nutrient retention, and fewer emissions. Without…",{"value":56,"source":48,"evidence":57},"Households composters and industrial composting facilities",[58,61],{"id":59,"by":11,"text":60},"42210276","No worries at all, I appreciate the curiosity! You’re spot on—electronic monitoring becomes most valuable at larger scales, which is why our upcoming Monty Pro line is tailored…",{"id":62,"by":11,"text":63},"42201154","You’re absolutely right— a temperature gauge is a fantastic tool for monitoring for many composters who are focused on the basics of maintaining an active hot composting pile.…",null,{"value":66,"source":48,"evidence":67},"Make composting more efficient and open the hardware for other experiments",[68],{"id":51},[70,79],{"value":71,"source":48,"evidence":72},"Bluetooth connectivity",[73,76],{"id":74,"by":11,"text":75},"42241259","Thank you so much for these questions! For clarity, I’ll copy and paste the question for each response: Q: Can your sensor product feed data to open-source software for hobbyist…",{"id":77,"by":11,"text":78},"42210296","Yes— this version is Bluetooth only, which works well for many smaller setups but does have its range limitations. I’ll pass your suggestion for Zigbee radio along to our product…",{"value":80,"source":48,"evidence":81},"Bosch and Sensirion sensors",[82,85],{"id":83,"by":11,"text":84},"42201869","For Monty’s system, we use sensors from Bosch and Sensirion. During our initial prototyping phase, we tested around 20 different types of sensors and found they had the most…",{"id":86,"by":11,"text":87},"42210283","We use sensors from Bosch and Sensirion in our systems. They’re reliable and durable, even in tough environments like compost piles, where heat, moisture, and microbial activity…","open_source","launched","company",{"praise":92,"objections":105,"requests":120,"questions":135,"alternatives":150},[93],{"value":94,"source":95,"evidence":96},"Useful for smaller-scale open compost monitoring","commenter",[97,101],{"id":98,"by":99,"text":100},"42204871","sudokita","Love this! Hurray for more comprehensive and extensible smaller-scale compost monitoring. You might find some additional interest from our Gathering for Open Ag Tech community…",{"id":102,"by":103,"text":104},"42202227","ramon156","Haha, I actually did a project on this last month with arduinos. Cool to see an open-sourced project for this",[106,113],{"value":107,"source":95,"evidence":108},"Monitoring only worthwhile at large scale",[109],{"id":110,"by":111,"text":112},"42203868","pbhjpbhj","Not wanting to minimise your product, it's not something I personally would need. But I'm curious if you looked at what scale of composting would be needed for electronic…",{"value":114,"source":95,"evidence":115},"A simple temperature gauge may be enough for hot compost",[116],{"id":117,"by":118,"text":119},"42200930","magicbuzz","I love it, but surely just a temp gauge for running a hot compost is nice & simple? If mine is over 45C, I'm fairly sure that means the thermophiles are present and doing their…",[121,128],{"value":122,"source":95,"evidence":123},"Home Assistant integration",[124],{"id":125,"by":126,"text":127},"42200779","boredinstapanda","Do you know if anyone is writing a HomeAssistant integration for this?",{"value":129,"source":95,"evidence":130},"Zigbee radio support",[131],{"id":132,"by":133,"text":134},"42203651","diggan","Sadly, it seems to be Bluetooth only, whose range isn't great unless you already have your garden covered. Probably late to ask, but would be cool if future versions also…",[136,143],{"value":137,"source":95,"evidence":138},"Why monitor compost at all",[139],{"id":140,"by":141,"text":142},"42203208","lofaszvanitt","Why do you need to monitor compost?",{"value":144,"source":95,"evidence":145},"Whether gas readings indicate C\u002FN ratio or anoxia",[146],{"id":147,"by":148,"text":149},"42200374","wswope","Thanks for posting! Out of curiosity, could you talk more about the practical utility of the sensor readings you get while monitoring compost? Temp and moisture seem…",[151,158],{"value":152,"source":95,"evidence":153},"collectd and Grafana\u002FInfluxDB monitoring stacks",[154],{"id":155,"by":156,"text":157},"42201207","westurner","collectd is an open source monitoring system which can record to e.g. RRD flat files or SQLite and can forward collected metrics to SIEM-like monitoring and charting and anomaly…",{"value":159,"source":95,"evidence":160},"Simple temperature gauges and thermocouples",[161,162],{"id":117,"by":118,"text":119},{"id":163,"by":164,"text":165},"42207367","pipe2devnull","I don’t know how you read my mind because completely randomly I was just looking at thermocouples for compost monitoring.",{"comments":167,"answered":168,"key":169},15,12,[170,171,172],{"id":53,"text":54},{"id":59,"text":60},{"id":173,"text":174},"42201403","Thanks so much for sharing these resources—this is fantastic! If you’re into LoRaWAN, you might be interested to hear that we’re also developing an industrial composting monitor…",{"commenters":176,"max_depth":177,"maker_replies":167,"first_comment_mins":178,"lifespan_hours":179},31,4,44,118,[181,185,189,192,195,198,201,204,207,209,213,216,217,219,220,222,223,226,227,231,232,233,236,238,239,242,244,247,250,252,255,256,258,261,264,266,270,273,275,277,279,282,283,285,287,289,290,292,293,294,297,300,303,305,307,310,312],[182,39,43,183,184,39],"42206273","project\u002Fpositive\u002Fidea","HeyLaughingBoy",[186,39,39,187,188,39],"42206670","other\u002Fneutral\u002Fnone","nosmokewhereiam",[190,39,39,187,191,39],"42207150","owl_vision",[193,39,39,187,194,39],"42208134","tastyfreeze",[196,39,39,187,197,39],"42206856","_whiteCaps_",[199,39,39,200,184,39],"42208238","commenter\u002Fneutral\u002Fnone",[202,39,39,200,203,39],"42208846","jlengrand",[205,39,39,187,206,39],"42211460","aaron695",[110,32,37,208,111,39],"project\u002Fneutral\u002Fidea",[210,32,43,211,212,39],"42210139","project\u002Fpositive\u002Fpricing","KetoManx64",[214,32,32,215,111,39],"42216445","project\u002Fcritical\u002Fidea",[53,32,39,208,11,32],[59,32,39,218,11,32],"project\u002Fneutral\u002Fnone",[155,33,39,187,156,39],[221,33,39,187,156,39],"42201251",[173,33,39,218,11,32],[224,33,37,225,156,39],"42204486","project\u002Fneutral\u002Fexecution",[74,33,39,225,11,32],[228,37,37,229,230,39],"42201799","project\u002Fneutral\u002Fperformance","fodkodrasz",[83,37,39,229,11,32],[98,177,43,183,99,39],[234,177,39,235,11,32],"42210280","maker\u002Fneutral\u002Fnone",[117,43,37,237,118,39],"project\u002Fmixed\u002Fidea",[62,43,39,208,11,32],[240,43,37,229,241,39],"42201215","PittleyDunkin",[243,43,39,229,11,32],"42201352",[245,43,39,187,246,39],"42205986","hermitcrab",[248,43,39,187,249,39],"42206507","duckmysick",[251,43,39,200,246,39],"42209055",[253,43,39,187,254,39],"42209966","lukas099",[147,30,37,208,148,39],[257,30,39,208,11,32],"42200728",[259,30,43,260,148,39],"42206225","maker\u002Fpositive\u002Fnone",[262,30,37,229,263,39],"42217194","helloinfo",[265,30,39,229,11,32],"42232020",[267,268,39,187,269,39],"42202172",7,"9dev",[271,268,39,187,272,39],"42203446","greenie_beans",[274,268,39,200,269,39],"42211374",[86,268,39,276,11,32],"project\u002Fpositive\u002Fperformance",[278,268,43,260,269,39],"42211379",[280,281,39,218,11,32],"42201299",8,[163,18,39,187,164,39],[125,284,37,218,126,39],10,[286,284,39,218,11,32],"42200821",[132,284,32,288,133,39],"project\u002Fcritical\u002Fperformance",[77,284,39,218,11,32],[291,284,39,187,241,39],"42201219",[102,31,43,183,103,39],[140,168,37,208,141,39],[295,168,39,187,296,39],"42203228","jy14898",[298,168,37,208,299,39],"42203360","bagels",[301,168,37,229,302,39],"42203935","exDM69",[304,168,39,187,249,39],"42206860",[306,168,39,187,302,39],"42212075",[308,168,37,208,309,39],"42204013","ssl-3",[311,168,39,208,11,32],"42210289",[313,168,39,187,263,39],"42217218",[],[316,321,326,331,336,341],{"id":317,"name":318,"points":319,"category":320},"42254156","Intenty",817,"productivity",{"id":322,"name":323,"points":324,"category":325},"42212644","5 Million Devs",616,"games",{"id":327,"name":328,"points":329,"category":330},"42208383","llama3_interpretability_sae",579,"ai",{"id":332,"name":333,"points":334,"category":335},"42256104","TeaTime",307,"learning_science",{"id":337,"name":338,"points":339,"category":340},"42258540","Feels Like Paper",265,"creative",{"id":342,"name":343,"points":344,"category":325},"42212071","Rebels in the sky",242,false,"v2",{"id":348,"name":5,"line":6,"ai":345,"cat":20,"year":13,"points":14,"comments":15,"rec":27,"s":349,"top":18,"kw":350,"maker":11,"domain":10,"tier":19,"attempts":39,"strip":351,"url":9,"mix":352,"praise":94,"objection":107,"sub":21},42200099,0.21,[23,24,25,26],"5000003300030350330003050000503105333030",[30,31,32,33],1794036664652]