{"id":1310,"date":"2017-10-22T12:07:33","date_gmt":"2017-10-22T10:07:33","guid":{"rendered":"http:\/\/www.xpablo.cz\/?p=1310"},"modified":"2020-07-05T22:21:48","modified_gmt":"2020-07-05T20:21:48","slug":"mereni-vysky-hladiny-ve-studni-ghetto-style","status":"publish","type":"post","link":"http:\/\/www.xpablo.cz\/?p=1310","title":{"rendered":"M\u011b\u0159en\u00ed v\u00fd\u0161ky hladiny ve studni &#8211; &#8222;ghetto style&#8220;"},"content":{"rendered":"<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3896.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1311 alignleft\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3896-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3896-300x225.jpg 300w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3896-768x576.jpg 768w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3896.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>Jeden z dlouholet\u00fdch koleg\u016f v pr\u00e1ci za mnou p\u0159ed pr\u00e1zdninami p\u0159i\u0161el s prosbou o konstrukci m\u011b\u0159i\u010de v\u00fd\u0161ky hladiny ve studni pro jeho \u0161vagra, p\u0159i\u010dem\u017e byl velk\u00fd tlak na cenu a pom\u011brn\u011b jasn\u00e1 p\u0159edstava o m\u011b\u0159\u00edc\u00edm principu. P\u016fvodn\u011b jednoduch\u00e1 konstrukce, kter\u00e1 m\u011bla b\u00fdt hotov\u00e1 p\u0159es v\u00edkend a nainstalovan\u00e1 b\u011bhem pr\u00e1zdnin se nakonec zvrtla v mnohem sofistikovan\u011bj\u0161\u00ed syst\u00e9m (ov\u0161em se st\u00e1le zachovan\u00fdm tlakem na cenu \ud83d\ude42 )&#8230;<\/p>\n<p><!--more--><\/p>\n<p>\u0160vagr m\u00e1 studnu, ze kter\u00e9 \u010derp\u00e1 vodu darling a kterou n\u00e1sledn\u011b vyu\u017e\u00edv\u00e1. Proto\u017ee hladina vody zna\u010dn\u011b kol\u00eds\u00e1, bylo t\u0159eba ji sledovat a \u010derpadlo v\u010das vypnout, aby nedo\u0161lo k jeho po\u0161kozen\u00ed. Pro ov\u011b\u0159en\u00ed v\u00fd\u0161ky hladiny pou\u017e\u00edval prov\u00e1zek, zat\u00ed\u017een\u00fd mati\u010dkou, ale komfort t\u00e9to m\u011b\u0159\u00edc\u00ed metody p\u0159\u00edli\u0161 velk\u00fd nebyl &#8211; znamenalo to odstranit v\u00edko studny, spustit prov\u00e1zek, zat\u00ed\u017een\u00fd mati\u010dkou na dno a pak, dle zamok\u0159en\u00e9 \u010d\u00e1sti provazu ur\u010dit, kolik vody je ve studni a nezapomenout zase studnu zakr\u00fdt. P\u00e1nov\u00e9 se tedy rozhodli, \u017ee je t\u0159eba pou\u017e\u00edt pokrokov\u011bj\u0161\u00ed metody m\u011b\u0159en\u00ed. P\u0159edpokl\u00e1d\u00e1m, \u017ee ud\u011blali pe\u010dliv\u00e9 re\u0161er\u0161e ohledn\u011b dostupn\u00fdch technologi\u00ed (a mysl\u00edm, \u017ee tomu v\u011bnovali skute\u010dn\u011b dost \u010dasu), a\u017e za mnou p\u0159i\u0161li s odkazem na <a href=\"http:\/\/hladinomer-studna.cz\/\">v\u00fdrobek<\/a>, kter\u00fdm jsem se m\u011bl inspirovat p\u0159i konstrukci. Hladinom\u011br z odkazu nespl\u0148oval hned n\u011bkolik z\u00e1kladn\u00edch po\u017eadavk\u016f:<\/p>\n<ul>\n<li>je to uzav\u0159en\u00e1 konstrukce, kter\u00e1 neumo\u017en\u00ed p\u0159ipojen\u00ed styka\u010de pro ovl\u00e1d\u00e1n\u00ed \u010derpadla<\/li>\n<li>m\u00e1 p\u0159\u00edli\u0161 vysokou prodejn\u00ed cenu na to, \u017ee umo\u017en\u00ed jen zm\u011b\u0159en\u00ed hladiny<\/li>\n<\/ul>\n<p>Hned zpo\u010d\u00e1tku jsme se dohodli, \u017ee sch\u00e9mata na\u010drtnu jen od ruky a ideov\u00fdm zp\u016fsobem, komponenty, co p\u016fjdou, tak objedn\u00e1m z \u010c\u00edny, no a k\u00f3d nap\u00ed\u0161u z \u010dist\u00e9 vody &#8211; z tohoto pohledu prost\u011b \u00fapln\u00e1 brnka\u010dka&#8230; Kolega se rozhodl, \u017ee elektroniku odbastl\u00ed na univerz\u00e1ln\u00edch dek\u00e1ch a nedovolil mi ud\u011blat plo\u0161n\u00e9 spoje (proto je v nadpisu Ghetto style &#8211; osobn\u011b by se mi mnohem v\u00edce l\u00edbila konstrukce s PCB, jenom\u017ee cena \ud83d\ude41 ). Ve stejn\u00e9m stylu se neslo i zad\u00e1n\u00ed po\u017eadavk\u016f na funk\u010dnost:<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/studna_lipuvka.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1321\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/studna_lipuvka-300x211.jpg\" alt=\"\" width=\"300\" height=\"211\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/studna_lipuvka-300x211.jpg 300w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/studna_lipuvka-768x540.jpg 768w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/studna_lipuvka-1024x719.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Po promy\u0161len\u00ed koncepce konstrukce jsem sedl a objednal jednotliv\u00e9 d\u00edly skl\u00e1da\u010dky z Aliexpressu (v z\u00e1v\u011bru \u010dl\u00e1nku najdete odkazy na jednotliv\u00e9 komponenty, kter\u00e9 jsem objednal &#8211; d\u00edly (mechanick\u00e9), kter\u00e9 sh\u00e1n\u011bl kolega, byly zakoupeny v GME a odkazy na n\u011b nem\u00e1m).<\/p>\n<p>Navrhl jsem m\u011b\u0159\u00edc\u00ed sadu, sest\u00e1vaj\u00edc\u00ed ze dvou jednotek &#8211; jednotky <strong>m\u011b\u0159\u00edc\u00ed<\/strong>, kter\u00e1 obsahuje v\u00e1\u017e\u00edc\u00ed tr\u00e1mec na kter\u00fd je p\u0159ipojen\u00e1 m\u011b\u0159\u00edc\u00ed sonda (zat\u00ed\u017een\u00e1 plastov\u00e1 vodovodn\u00ed trubka), m\u011b\u0159\u00edc\u00ed zesilova\u010d s HX711, arduino Nano, ve kter\u00e9m m\u011bl b\u011b\u017eet v\u00fdpo\u010det Archim\u00e9dova z\u00e1kona a microLan\/OneWire HUB (prost\u011b proto, proto\u017ee konstrukce pro inspiraci p\u0159ece pou\u017e\u00edv\u00e1 jen 3 dr\u00e1ty \u017ee&#8230;). Ideov\u00e9 sch\u00e9ma vypadalo takto:<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170331_120414_web.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1324\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170331_120414_web-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170331_120414_web-300x225.jpg 300w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170331_120414_web-768x576.jpg 768w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170331_120414_web-1024x768.jpg 1024w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170331_120414_web.jpg 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Druhou jednotkou, pak m\u011bla b\u00fdt jednotka <strong>zobrazovac\u00ed a \u0159\u00edd\u00edc\u00ed<\/strong>, kter\u00e1 sest\u00e1vala z Arduino UNO, Multifunction shieldu a desky s rel\u00e9 pro ovl\u00e1d\u00e1n\u00ed styka\u010de a jej\u00ed ideov\u00e9 sch\u00e9ma se, bohu\u017eel, ztratilo n\u011bkde ve v\u00edru bitvy ducha s hmotou (prost\u011b jsme ho n\u011bkde za\u0161antro\u010dili p\u0159i bastlen\u00ed a neust\u00e1l\u00e9m zan\u00e1\u0161en\u00ed zm\u011bn). Otev\u0159en\u011b \u0159e\u010deno jste ale o moc nep\u0159i\u0161li &#8211; &#8222;sch\u00e9ma&#8220; spo\u010d\u00edvalo v tom, \u017ee jsem popsal, na kter\u00e9 v\u00fdvody Arduina chci zapojit microLan a rel\u00e9, ve\u0161ker\u00e9 dal\u0161\u00ed propojen\u00ed pak bylo relizov\u00e1no &#8222;nacvaknut\u00edm&#8220; Multifunction shieldu na Arduino UNO.<\/p>\n<p>V t\u00e9to f\u00e1zi vypadalo v\u0161e snadno a jednodu\u0161e, tak\u017ee kolega za\u010dal s realizac\u00ed&#8230;<\/p>\n<p><strong>M\u011b\u0159\u00edc\u00ed jednotka:<\/strong><\/p>\n<p>Krabice s upevn\u011bn\u00fdm v\u00e1\u017e\u00edc\u00edm tr\u00e1mcem<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170331_102937_web.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1329\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170331_102937_web-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170331_102937_web-300x225.jpg 300w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170331_102937_web-768x576.jpg 768w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170331_102937_web-1024x768.jpg 1024w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170331_102937_web.jpg 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Deska elektroniky<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170403_091258_web.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1330\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170403_091258_web-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170403_091258_web-300x225.jpg 300w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170403_091258_web-768x576.jpg 768w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170403_091258_web-1024x768.jpg 1024w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170403_091258_web.jpg 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&#8230; a v\u0161echno pohromad\u011b<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170403_091314_web.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1331\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170403_091314_web-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170403_091314_web-300x225.jpg 300w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170403_091314_web-768x576.jpg 768w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170403_091314_web-1024x768.jpg 1024w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170403_091314_web.jpg 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><strong>Zobrazovac\u00ed a \u0159\u00edd\u00edc\u00ed jednotka:<\/strong><\/p>\n<p>Arduino s Multifunction shieldem, deska s rel\u00e9, pomocn\u00e1 deska s indik\u00e1tory (tady u\u017e za\u010daly probl\u00e9my&#8230;)<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170421_143439_web.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1332\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170421_143439_web-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170421_143439_web-300x225.jpg 300w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170421_143439_web-768x576.jpg 768w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170421_143439_web-1024x768.jpg 1024w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170421_143439_web.jpg 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u010celn\u00ed strana s otvorem pro LED displej, indik\u00e1tory a ovl\u00e1dac\u00ed tla\u010d\u00edtka (a tady jsme na ty probl\u00e9my p\u0159i\u0161li&#8230;)<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170421_143450_web.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1333\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170421_143450_web-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170421_143450_web-300x225.jpg 300w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170421_143450_web-768x576.jpg 768w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170421_143450_web-1024x768.jpg 1024w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170421_143450_web.jpg 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Low cost verze \u0161t\u00edtku s kl\u00e1vesnic\u00ed &#8211; jedn\u00e1 se o tro\u0161ku lep\u0161\u00ed pap\u00edr, poti\u0161t\u011bn\u00fd n\u011bkde v reklamn\u00edm studiu a pota\u017een\u00fd pr\u016fhlednou plastickou f\u00f3li\u00ed<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170827_154834_web.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1334\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170827_154834_web-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170827_154834_web-300x169.jpg 300w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170827_154834_web-768x431.jpg 768w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170827_154834_web-1024x575.jpg 1024w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/20170827_154834_web.jpg 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Pot\u00ed\u017e se uk\u00e1zala v tom, \u017ee jsem nepo\u010d\u00edtal s t\u00edm, \u017ee kolega vyvede LED indik\u00e1tory mimo Multifunction shield a d\u00e1le &#8211; oproti p\u016fvodn\u00edmu zad\u00e1n\u00ed &#8211; vyvede indik\u00e1tory 4, nam\u00edsto t\u0159\u00ed.<\/p>\n<p>Bylo tedy t\u0159eba vymyslet nov\u00e9 zad\u00e1n\u00ed a algoritmus pro indikaci na 4 LED diod\u00e1ch. K tomu se p\u0159idaly probl\u00e9my se stabilitou uLan\/OneWire komunikace, tak\u017ee jsme nakonec p\u0159ikro\u010dili k radik\u00e1ln\u00ed zm\u011bn\u011b koncepce. Komunikace je nyn\u00ed tvo\u0159ena linkou RS485, tak\u017ee probl\u00e9my s nespolehlivost\u00ed p\u0159enosu u\u017e neexistuj\u00ed, nav\u00edc RS485 umo\u017e\u0148uje p\u0159ipojen\u00ed na mnohem v\u011bt\u0161\u00ed vzd\u00e1lenost. Firmware do m\u011b\u0159\u00edc\u00ed jednotky jsem brut\u00e1ln\u011b zjednodu\u0161il &#8211; vlastn\u011b jen sn\u00edm\u00e1 v\u00e1\u017e\u00edc\u00ed element a m\u011b\u0159\u00ed p\u0159ibli\u017en\u011b teplotu pomoc\u00ed vnit\u0159n\u00edho \u010didla procesoru (m\u011blo slou\u017eit pro p\u0159\u00edpadnou teplotn\u00ed kompenzaci tenzometru &#8211; zat\u00edm se uk\u00e1zalo jako zbyte\u010dn\u00e9). Ve\u0161ker\u00e9 v\u00fdpo\u010dty prob\u00edhaj\u00ed v zobrazovac\u00ed jednotce, tak\u017ee v p\u0159\u00edpad\u011b chyby v programu nen\u00ed nutn\u00e9 l\u00e9zt do studny a vytahovat m\u011b\u0159\u00edc\u00ed jednotku pro p\u0159eprogramov\u00e1n\u00ed.<\/p>\n<p>P\u0159echod na RS485 komunikaci uk\u00e1zal tak\u00e9 je\u0161t\u011b jednu mo\u017enost &#8211; modul v\u00fdstupn\u00edch rel\u00e9 u\u017e nemus\u00ed b\u00fdt sou\u010d\u00e1st\u00ed \u0159\u00edd\u00edc\u00ed jednotky, ale m\u016f\u017ee b\u00fdt p\u0159ipojen\u00fd na RS485 a um\u00edst\u011bn\u00fd ve sklep\u011b hned vedle styka\u010de darlingu.<\/p>\n<p>Programov\u00e9 vybaven\u00ed zobrazovac\u00ed a \u0159\u00edd\u00edc\u00ed jednotky jsem napsal velmi jednodu\u0161e &#8211; obsahuje pouze zobrazov\u00e1n\u00ed nam\u011b\u0159en\u00e9 v\u00fd\u0161ky hladiny, nebo nam\u011b\u0159enou teplotu (d\u00e1 se p\u0159epnout stiskem tla\u010d\u00edtka), p\u0159\u00edpadn\u011b indikuje chybu komunikace s m\u011b\u0159\u00edc\u00ed jednotkou. D\u00e1le obsahuje jednoduch\u00e9 nastavovac\u00ed menu, kter\u00fdm se d\u00e1 kalibrovat po\u010d\u00e1te\u010dn\u00ed hmotnost sondy, aktu\u00e1ln\u00ed m\u011b\u0159en\u00e1 hladina (pro line\u00e1rn\u00ed aproximaci) a v\u0161echny t\u0159i hrani\u010dn\u00ed body pro signalizace nedostatku\/dostatku\/norm\u00e1lu a p\u0159ebytku vody (jako poz\u016fstatek tam z\u016fstalo testov\u00e1n\u00ed obou rel\u00e9, ale to je\u0161t\u011b z doby, kdy byly rel\u00e9 uvnit\u0159 \u0159\u00edd\u00edc\u00ed jednotky).<\/p>\n<p>Pro ilustraci jsem kolegu poprosil o po\u0159izov\u00e1n\u00ed fotografi\u00ed z instalace, tak\u017ee je s jeho svolen\u00edm zve\u0159ej\u0148uji:<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3893.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1347\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3893-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3893-300x225.jpg 300w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3893-768x576.jpg 768w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3893.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Zobrazovac\u00ed a \u0159\u00edd\u00edc\u00ed jednotka ji\u017e s odstran\u011bn\u00fdm modulem v\u00fdkonov\u00fdch rel\u00e9 &#8211; pov\u0161imn\u011bte si kr\u00e1sn\u011b vyv\u00e1zan\u00fdch kabelov\u00fdch svazk\u016f ke konektoru LED a RS485 &#8211; to muselo d\u00e1t Jirkovi neskute\u010dnou pr\u00e1ci.<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3898.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1350\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3898-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3898-225x300.jpg 225w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3898.jpg 768w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><\/p>\n<p>M\u011b\u0159\u00edc\u00ed jednotka, ji\u017e namontovan\u00e1 ve studni na nerezov\u00e9m dr\u017e\u00e1ku.<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3895.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1351\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3895-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3895-225x300.jpg 225w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3895.jpg 768w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><\/p>\n<p>Pohled do studny na m\u011b\u0159\u00edc\u00ed jednotku &#8211; dob\u0159e je vid\u011bt zav\u011b\u0161en\u00ed m\u011b\u0159\u00edc\u00ed sondy pomoc\u00ed lanka.<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3894.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1352\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3894-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3894-225x300.jpg 225w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3894.jpg 768w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><\/p>\n<p>P\u0159\u00edvod kabel\u00e1\u017ee k m\u011b\u0159\u00edc\u00ed jednotce v chr\u00e1ni\u010dce.<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3897.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1353\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3897-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3897-300x225.jpg 300w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3897-768x576.jpg 768w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2017\/10\/IMG_3897.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&#8222;Provizorn\u00ed&#8220; um\u00edst\u011bn\u00ed zobrazovac\u00ed a \u0159\u00edd\u00edc\u00ed jednotky.<\/p>\n<p>Za\u0159\u00edzen\u00ed je v provozu u\u017e n\u011bkolik t\u00fddn\u016f v re\u017eimu 24\/7 zat\u00edm bez jak\u00fdchkoliv v\u00fdhrad.<\/p>\n<p>No a p\u0159edt\u00edm, ne\u017e uve\u0159ejn\u00edm odkazy ke sta\u017een\u00ed programov\u00e9ho vybaven\u00ed tradi\u010dn\u011b:<\/p>\n<p><strong>Lessons learned, aneb co bych p\u0159\u00ed\u0161t\u011b ud\u011blal jinak<\/strong><\/p>\n<ol>\n<li>Pro komunikaci bych ur\u010dit\u011b pou\u017eil jin\u00e9 piny, ne\u017e hlavn\u00ed s\u00e9riov\u00fd port (pou\u017eil bych SoftwareSerial), proto\u017ee nahr\u00e1v\u00e1n\u00ed nov\u00e9ho firmware do obou modul\u016f znamen\u00e1 odpojen\u00ed RS485 linky atd.<\/li>\n<li><strong>Ur\u010dit\u011b!!!<\/strong> bych navrhl specializovan\u00e9 PCB na ob\u011b jednotky &#8211; d\u00edky pou\u017eit\u00fdm (mal\u00fdm) krabic\u00edm znamen\u00e1 jak\u00e1koliv aktualizace rozborku\/sborku cel\u00e9ho za\u0159\u00edzen\u00ed, co\u017e &#8211; vzhledem k mno\u017estv\u00ed propojek &#8211; dle m\u00e9ho n\u00e1zoru sni\u017euje spolehlivost cel\u00e9ho kompletu<\/li>\n<li>V dne\u0161n\u00ed dob\u011b IoT \u0161\u00edlenstv\u00ed bych do zobrazovac\u00ed jednotky dal ESP8266, co\u017e by umo\u017enilo nejen p\u0159enosy informac\u00ed n\u011bkam na internet, ale zejm\u00e9na by to umo\u017enilo t\u0159eba odes\u00edl\u00e1n\u00ed hl\u00e1\u0161en\u00ed o nedostatku\/p\u0159ebytku vody na mobiln\u00ed telefon.<\/li>\n<\/ol>\n<p><strong>Pou\u017eit\u00e9 prost\u0159ed\u00ed:<\/strong><\/p>\n<p>OS: Linux UBUNTU 16.04 LTS<\/p>\n<p>IDE: 1.6.9<\/p>\n<p><strong>Programov\u00e9 vybaven\u00ed m\u011b\u0159\u00edc\u00ed jednotky<\/strong><\/p>\n<div class=\"wpfilebase-file-default\" onclick=\"if('undefined' == typeof event.target.href) document.getElementById('wpfb-file-link-1').click();\">\r\n  <div class=\"icon\"><a href=\"http:\/\/www.xpablo.cz\/?wpfb_dl=35\" target=\"_blank\" title=\"Download Sensor-170729a\"><img decoding=\"async\" align=\"middle\" src=\"http:\/\/www.xpablo.cz\/wp-includes\/images\/crystal\/archive.png\" alt=\"Sensor-170729a\" \/><\/a><\/div>\r\n  <div class=\"filetitle\">\r\n    <a href=\"http:\/\/www.xpablo.cz\/?wpfb_dl=35\" title=\"Download Sensor-170729a\" target=\"_blank\" id=\"wpfb-file-link-1\">Sensor-170729a<\/a>\r\n    \r\n    <br \/>\r\n    sensor-170729a.zip<br \/>\r\n    \r\n  <\/div>\r\n  <div class=\"info\">\r\n    23.7 KiB<br \/>\r\n    2053 Downloads<br \/>\r\n    <a href=\"#\" onclick=\"return wpfilebase_filedetails(1);\">Detaily<\/a>\r\n  <\/div>\r\n  <div class=\"details\" id=\"wpfilebase-filedetails1\" style=\"display: none;\">\r\n  \r\n  <table border=\"0\">\r\n   \r\n   \r\n   \r\n   \r\n   \r\n   \r\n   <tr><td><strong>Datum:<\/strong><\/td><td>22. \u0159\u00edjna  2017<\/td><\/tr>\r\n  <\/table>\r\n  <\/div>\r\n <div style=\"clear: both;\"><\/div>\r\n<\/div>\n<p><strong>Programov\u00e9 vybaven\u00ed \u0159\u00edd\u00edc\u00ed a zobrazovac\u00ed jednotky<\/strong><\/p>\n<div class=\"wpfilebase-file-default\" onclick=\"if('undefined' == typeof event.target.href) document.getElementById('wpfb-file-link-2').click();\">\r\n  <div class=\"icon\"><a href=\"http:\/\/www.xpablo.cz\/?wpfb_dl=36\" target=\"_blank\" title=\"Download St-170912a\"><img decoding=\"async\" align=\"middle\" src=\"http:\/\/www.xpablo.cz\/wp-includes\/images\/crystal\/archive.png\" alt=\"St-170912a\" \/><\/a><\/div>\r\n  <div class=\"filetitle\">\r\n    <a href=\"http:\/\/www.xpablo.cz\/?wpfb_dl=36\" title=\"Download St-170912a\" target=\"_blank\" id=\"wpfb-file-link-2\">St-170912a<\/a>\r\n    \r\n    <br \/>\r\n    st-170912a.zip<br \/>\r\n    \r\n  <\/div>\r\n  <div class=\"info\">\r\n    1.0 MiB<br \/>\r\n    1865 Downloads<br \/>\r\n    <a href=\"#\" onclick=\"return wpfilebase_filedetails(2);\">Detaily<\/a>\r\n  <\/div>\r\n  <div class=\"details\" id=\"wpfilebase-filedetails2\" style=\"display: none;\">\r\n  \r\n  <table border=\"0\">\r\n   \r\n   \r\n   \r\n   \r\n   \r\n   \r\n   <tr><td><strong>Datum:<\/strong><\/td><td>22. \u0159\u00edjna  2017<\/td><\/tr>\r\n  <\/table>\r\n  <\/div>\r\n <div style=\"clear: both;\"><\/div>\r\n<\/div>\n<p>No a na z\u00e1v\u011br ji\u017e sl\u00edben\u00e9 odkazy na zakoupen\u00e9 moduly (nebo jejich ekvivalenty) na Aliexpress:<\/p>\n<p><strong>\u0158\u00edd\u00edc\u00ed a zobrazovac\u00ed jednotka<\/strong><\/p>\n<p><a href=\"http:\/\/s.click.aliexpress.com\/e\/Y7E2zn6\" target=\"_parent\" rel=\"noopener noreferrer\">Arduino UNO R3 + USB kabel<\/a><\/p>\n<p><a href=\"http:\/\/s.click.aliexpress.com\/e\/VVjUNVz\" target=\"_parent\" rel=\"noopener noreferrer\">Multifunction shield pro UNO R3<\/a><\/p>\n<p><a href=\"http:\/\/s.click.aliexpress.com\/e\/YJQr76i\" target=\"_parent\" rel=\"noopener noreferrer\">Deska v\u00fdkonov\u00fdch rel\u00e9<\/a><\/p>\n<p><strong>M\u011b\u0159\u00edc\u00ed jednotka<\/strong><\/p>\n<p><a href=\"http:\/\/s.click.aliexpress.com\/e\/6Mrf6aQ\" target=\"_parent\" rel=\"noopener noreferrer\">Arduino Nano V3.0<\/a><\/p>\n<p><a href=\"http:\/\/s.click.aliexpress.com\/e\/VbUVFIm\" target=\"_parent\" rel=\"noopener noreferrer\">V\u00e1\u017e\u00edc\u00ed tr\u00e1mec 5kg<\/a><\/p>\n<p><a href=\"http:\/\/s.click.aliexpress.com\/e\/YVJ6qrv\" target=\"_parent\" rel=\"noopener noreferrer\">M\u011b\u0159\u00edc\u00ed zesilova\u010d HX711<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jeden z dlouholet\u00fdch koleg\u016f v pr\u00e1ci za mnou p\u0159ed pr\u00e1zdninami p\u0159i\u0161el s prosbou o konstrukci m\u011b\u0159i\u010de v\u00fd\u0161ky hladiny ve studni pro jeho \u0161vagra, p\u0159i\u010dem\u017e byl velk\u00fd tlak na cenu a pom\u011brn\u011b jasn\u00e1 p\u0159edstava o m\u011b\u0159\u00edc\u00edm principu. P\u016fvodn\u011b jednoduch\u00e1 konstrukce, kter\u00e1 m\u011bla b\u00fdt hotov\u00e1 p\u0159es v\u00edkend a nainstalovan\u00e1 b\u011bhem pr\u00e1zdnin se nakonec zvrtla v mnohem sofistikovan\u011bj\u0161\u00ed &hellip; <a href=\"http:\/\/www.xpablo.cz\/?p=1310\" class=\"more-link\">Pokra\u010dov\u00e1n\u00ed textu <span class=\"screen-reader-text\">M\u011b\u0159en\u00ed v\u00fd\u0161ky hladiny ve studni &#8211; &#8222;ghetto style&#8220;<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[3,5],"tags":[36,76,75],"class_list":["post-1310","post","type-post","status-publish","format-standard","hentry","category-arduino","category-elektronika","tag-arduino","tag-domaci-automatizace","tag-studna"],"_links":{"self":[{"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/posts\/1310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1310"}],"version-history":[{"count":34,"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/posts\/1310\/revisions"}],"predecessor-version":[{"id":1640,"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/posts\/1310\/revisions\/1640"}],"wp:attachment":[{"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1310"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}