[{"data":1,"prerenderedAt":396},["ShallowReactive",2],{"project-42901007":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":34,"aspects":35,"strip":43,"post_text":46,"what":47,"said":70,"maker_in_thread":164,"shape":173,"grid":178,"attempts":358,"same_week":359,"maker_shows":33,"maker_hidden":388,"reader_version":389,"card":390},"42901007","ESP32 RC Cars","title","Show HN: ESP32 RC Cars","https:\u002F\u002Fgithub.com\u002Fmattsroufe\u002Fesp32_rc_cars","github.com","mattsroufe",1738435891,2025,335,63,146,3837,4,"legend","hardware","rc car robotics",[22,23,24,25,26],"esp32","rc car","esp32-cam","bluetooth gamepad","fpv","loved",0.247,{"positive":30,"neutral":31,"mixed":32,"critical":33},10,27,0,1,38,{"idea":36,"execution":38,"performance":39,"pricing":40,"design":41,"docs":42},{"positive":37,"critical":32},9,{"positive":32,"critical":32},{"positive":32,"critical":32},{"positive":32,"critical":33},{"positive":32,"critical":32},{"positive":32,"critical":32},[44,45,32,45,45,44,45,45,32,32,32,32,32,32,32,32,45,44,33,32,45,32,44,45,45,32,45,44,45,44,45,32,45,44,45,32,45,44,44,44],5,3,"This is a projected I started that blends both the fun of playing a split screen multiplayer driving game and controlling real rc cars.\n\nThe cars can also be controlled via bluetooth gamepads and is meant to be easily hackable.",{"problem":48,"audience":48,"pricing":48,"motivation":48,"time_to_build":48,"stack":49,"openness":68,"stage":69,"team_size":69},null,[50,56,62],{"value":51,"source":52,"evidence":53},"ESP32","maker",[54],{"id":55},"post",{"value":57,"source":52,"evidence":58},"ESP32-CAM",[59],{"id":60,"by":10,"text":61},"42910323","Hi, I update the README with the components: Hi, thanks for the feedback. I have updated the README with the materials I used: I bought everything for this kit from aliexpress:…",{"value":63,"source":52,"evidence":64},"Python",[65],{"id":66,"by":10,"text":67},"42910302","Hi, thanks for checking out the project. I don't really have anything to gauge by like experience with FPV drones but latency hasn't been an issue on my wireless network even…","open_source","unknown",{"praise":71,"objections":88,"requests":115,"questions":130,"alternatives":149},[72],{"value":73,"source":74,"evidence":75},"Cool, fun project that commenters find inspiring","commenter",[76,80,84],{"id":77,"by":78,"text":79},"42907660","fitsumbelay","this. is. awesome.",{"id":81,"by":82,"text":83},"42907927","Abimelex","FPV car racing incoming!",{"id":85,"by":86,"text":87},"42906998","jtwaleson","So cool! I bought the same kit last year and recently bought a esp32 game controller with a tiny display: https:\u002F\u002Fgithub.com\u002F01studio-lab\u002FpyController When I have some time I'll…",[89,104],{"value":90,"source":74,"evidence":91},"Latency concerns for control and video feed",[92,96,100],{"id":93,"by":94,"text":95},"42908281","Scene_Cast2","The big issue with FPV, and the reason it stayed on analog tech for so long is because of latency. How is the latency for this project?",{"id":97,"by":98,"text":99},"42906747","conductr","Nice work! I’ve been thinking of taking on a similar project and would be curious what’s your experience like with latency? Can you view the video feed and control remotely? My…",{"id":101,"by":102,"text":103},"42908036","Jemm","What is the latency?",{"value":105,"source":74,"evidence":106},"ESP32-CAM frame rate needs an external antenna",[107,111],{"id":108,"by":109,"text":110},"42909027","123pie123","before you get a ESP32 CAM (I love em) consider one with an external antenna it may be wise to read this…",{"id":112,"by":113,"text":114},"42916766","eurekin","In my case it went from a patchy 1mbps to a stable 20mbps right away, according to my router's admin page - right after resoldering the resistor and connecting the antenna.…",[116,123],{"value":117,"source":74,"evidence":118},"Add 4G module for remote driving",[119],{"id":120,"by":121,"text":122},"42910724","jesprenj","It would be quite nice to add a 4G module, allowing you to drive around the city (:",{"value":124,"source":74,"evidence":125},"Autonomous driving via vision processing",[126],{"id":127,"by":128,"text":129},"42916937","wjan","Idea to make it more fun:run Yolo vision processing on the client computer to make it drive autonomously.",[131,135,142],{"value":103,"source":74,"evidence":132},[133,134],{"id":93,"by":94,"text":95},{"id":101,"by":102,"text":103},{"value":136,"source":74,"evidence":137},"Battery life and requirements",[138],{"id":139,"by":140,"text":141},"42909162","zoomablemind","What are the battery requirements for such feed combo (RC + FPV + servo)? From experience, how does this translate to play time?",{"value":143,"source":74,"evidence":144},"Where to source hardware and printed parts",[145],{"id":146,"by":147,"text":148},"42909033","Waterluvian","I want to make this with my kid but I can’t find the actual hardware as seen. Are those printed parts? Also the wheels and foam. Where would I go about sourcing these parts?",[150,157],{"value":151,"source":74,"evidence":152},"ExpressLRS and analog FPV systems",[153],{"id":154,"by":155,"text":156},"42908620","emidoots","FPV today is largely using ExpressLRS[0], an open protocol for running FPV quads' control links (also using esp32 usually) Video for FPV quads on the other hand is divided: some…",{"value":158,"source":74,"evidence":159},"Analog 5.8 GHz FPV camera kits",[160],{"id":161,"by":162,"text":163},"42909884","idunnoman1222","A good 2.5 inch RC car is 30 bucks on AliExpress now, A standalone 5.8 GHz analog camera is 25 bucks. Just for those that may be more interested in the outcome than just a fun…",{"comments":44,"answered":45,"key":165},[166,169,172],{"id":167,"text":168},"42910365","Thanks everyone for the feedback on the project. I hope to keep it going and would love to see some PRs. Just one last thing, if you like the project, the coolest thing you can…",{"id":170,"text":171},"42910332","Yes, from my experience with this project the external antenna is a must. I've update the README with a link to the one I used.",{"id":66,"text":67},{"commenters":174,"max_depth":175,"maker_replies":44,"first_comment_mins":176,"lifespan_hours":177},47,7,741,133,[179,183,185,188,190,193,195,196,199,202,204,206,210,212,215,218,221,225,229,232,236,238,240,242,244,246,248,249,251,253,257,259,261,265,268,271,276,279,282,285,286,288,290,294,297,302,304,308,311,315,318,322,324,328,330,332,336,338,340,344,349,352,354],[180,32,44,181,182,32],"42911602","project\u002Fpositive\u002Fidea","t0mek",[167,33,32,184,10,33],"maker\u002Fpositive\u002Fnone",[108,186,45,187,109,32],2,"project\u002Fneutral\u002Fexecution",[170,186,32,189,10,33],"maker\u002Fneutral\u002Fdocs",[191,186,45,187,192,32],"42911111","Lord_Zero",[194,186,45,187,109,32],"42931142",[112,186,45,187,113,32],[197,45,44,181,198,32],"42907089","t0mas88",[200,45,45,201,113,32],"42916895","project\u002Fneutral\u002Fnone",[203,45,45,187,198,32],"42970321",[93,17,45,205,94,32],"project\u002Fneutral\u002Fperformance",[207,17,45,208,209,32],"42908349","project\u002Fneutral\u002Fidea","actionfromafar",[154,17,32,211,155,32],"other\u002Fneutral\u002Fperformance",[213,17,32,211,214,32],"42908635","the__alchemist",[216,17,32,211,217,32],"42915824","mkesper",[219,17,32,211,220,32],"42916771","saidinesh5",[222,17,32,223,224,32],"42918825","other\u002Fneutral\u002Fnone","bri3d",[226,17,32,227,228,32],"42909565","commenter\u002Fneutral\u002Fnone","dji4321234",[230,17,32,227,231,32],"42910781","Evidlo",[233,17,32,234,235,32],"42911441","commenter\u002Fneutral\u002Fperformance","IshKebab",[237,17,32,234,224,32],"42911486",[239,17,32,234,235,32],"42911844",[241,17,32,234,224,32],"42913214",[243,17,32,234,235,32],"42918800",[66,17,32,245,10,33],"maker\u002Fneutral\u002Fperformance",[247,17,45,205,98,32],"42914390",[97,44,45,205,98,32],[85,250,44,181,86,32],6,[161,175,33,252,162,32],"project\u002Fcritical\u002Fpricing",[254,175,32,255,256,32],"42915393","other\u002Fcritical\u002Fperformance","05",[258,175,32,227,162,32],"42920736",[260,175,32,227,256,32],"42931291",[262,263,45,208,264,32],"42912361",8,"amenghra",[266,37,32,223,267,32],"42907595","unsigner",[269,30,44,181,270,32],"42911499","aleksiy123",[272,273,45,274,275,32],"42906783",11,"project\u002Fneutral\u002Fpricing","wslh",[277,273,45,274,278,32],"42907393","tga",[280,273,45,274,281,32],"42907864","dimatura",[283,273,45,208,284,32],"42907914","numpad0",[60,273,32,189,10,33],[139,287,45,205,140,32],12,[289,287,32,245,10,33],"42910320",[291,292,45,208,293,32],"42907525",13,"rkwz",[295,292,44,181,296,32],"42909012","wayvey",[298,299,45,300,301,32],"42907384",14,"project\u002Fneutral\u002Fdesign","trzy",[303,299,45,300,281,32],"42907839",[305,306,44,181,307,32],"42912949",15,"GardenLetter27",[146,309,45,310,147,32],16,"project\u002Fneutral\u002Fdocs",[312,313,32,223,314,32],"42917458",17,"aitchnyu",[316,313,32,223,317,32],"42918137","jonlucc",[319,320,45,208,321,32],"42912538",18,"lostmsu",[323,320,45,208,256,32],"42915411",[325,326,44,181,327,32],"42907701",19,"lnsru",[127,329,45,208,128,32],20,[120,331,45,208,121,32],21,[333,334,32,223,335,32],"42914011",22,"hk1337",[81,337,45,208,82,32],23,[101,339,45,205,102,32],24,[341,342,44,181,343,32],"42907648",25,"zapkyeskrill",[345,346,44,347,348,32],"42907486",26,"project\u002Fpositive\u002Fnone","ElectRabbit",[350,31,32,227,351,32],"42918347","alnwlsn",[77,353,44,181,78,32],28,[355,356,45,208,357,32],"42909580",29,"NetOpWibby",[],[360,365,370,374,379,384],{"id":361,"name":362,"points":363,"category":364},"42918902","videotoflip",513,"consumer_social",{"id":366,"name":367,"points":368,"category":369},"42908061","Lume",309,"dev_tools",{"id":371,"name":372,"points":373,"category":369},"42889407","Uscope",262,{"id":375,"name":376,"points":377,"category":378},"42877399","Audiocube",253,"creative",{"id":380,"name":381,"points":382,"category":383},"42946918","HN hell",170,"productivity",{"id":385,"name":386,"points":387,"category":369},"42917712","Marksmith",161,false,"v2",{"id":391,"name":5,"line":5,"ai":388,"cat":19,"year":12,"points":13,"comments":14,"rec":27,"s":392,"top":17,"kw":393,"maker":10,"domain":9,"tier":18,"attempts":32,"strip":394,"url":8,"mix":395,"praise":73,"objection":90,"sub":20},42901007,0.25,[22,23,24,25,26],"5303353300000000351030533035353035303555",[30,31,32,33],1793991112065]