{"id":38728,"date":"2019-10-31T22:25:33","date_gmt":"2019-10-31T19:25:33","guid":{"rendered":"https:\/\/prohoster.info\/blog\/poddelnye-ds18b20-waterproof-chto-delat\/"},"modified":"2019-10-31T22:25:33","modified_gmt":"2019-10-31T19:25:33","slug":"poddelnye-ds18b20-waterproof-chto-delat","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/poddelnye-ds18b20-waterproof-chto-delat","title":{"rendered":"Hamis DS18B20 v\u00edz\u00e1ll\u00f3 szenzorok: mit tegy\u00fcnk?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00dcdv\u00f6z\u00f6lj\u00fck! Ebben a cikkben a hamis \u00e9rz\u00e9kel\u0151k probl\u00e9m\u00e1ja, a megl\u00e9v\u0151 eszk\u00f6z\u00f6k korl\u00e1tai, amelyek ezeket az \u00e9rz\u00e9kel\u0151ket haszn\u00e1lj\u00e1k, \u00e9s a probl\u00e9ma megold\u00e1sa tal\u00e1lhat\u00f3.<\/p>\n

\"Hamis
\nForr\u00e1s: ali-trends.ru<\/i><\/p>\n

A hamis \u00e9rz\u00e9kel\u0151kr\u0151l m\u00e1r kor\u00e1bban is \u00edrtak, itt<\/a><\/noindex>. A hamis \u00e9s az eredeti \u00e9rz\u00e9kel\u0151k k\u00f6z\u00f6tti jellemz\u0151 elt\u00e9r\u00e9sek:<\/p>\n

    \n
  1. Az \u00e9rz\u00e9kel\u0151, m\u00e9g ha k\u00f6zvetlen k\u00f6zel\u00e9ben is van, parazita t\u00e1pl\u00e1l\u00e1s m\u00f3dban bizonytalanul v\u00e1laszol, alkalmank\u00e9nt.<\/li>\n
  2. Parazita t\u00e1pl\u00e1l\u00e1s m\u00f3dban a magas szint vissza\u00e1ll\u00edt\u00e1sa t\u00fal sok\u00e1ig tart (ezt mikrokontrollerrel lehet m\u00e9rni, vagy oszcilloszk\u00f3pot n\u00e9zni)<\/li>\n
  3. az \u00e1ramfogyaszt\u00e1s jelent\u0151sen meghaladja a n\u00e9h\u00e1ny mikroampert (GND \u00e9s VCC m\u00ednuszra, DQ egy mikroamperm\u00e9r\u0151n +5 voltra)<\/li>\n
  4. A felsorol\u00e1si elj\u00e1r\u00e1s ut\u00e1n (0xF0) az \u00e9rz\u00e9kel\u0151k nem reag\u00e1lnak az olvas\u00e1si parancsra (0xBE)<\/li>\n
  5. A t\u00e1pegys\u00e9g alkalmaz\u00e1sa n\u00e9lk\u00fcli olvasott h\u0151m\u00e9rs\u00e9klet elt\u00e9r az 85,0 fokt\u00f3l.<\/li>\n
  6. Az 5-\u00f6s \u00e9s 7-es poz\u00edci\u00f3kban l\u00e9v\u0151 \u00e9rt\u00e9kek nem felelnek meg a 0xFF \u00e9s 0x10-nek<\/li>\n
  7. A h\u0151m\u00e9rs\u00e9klet \u00e9rt\u00e9kek (az oszcilloszk\u00f3p els\u0151 k\u00e9t poz\u00edci\u00f3j\u00e1ban) a kor\u00e1bban \u00e1ramtalan\u00edtott \u00e9rz\u00e9kel\u0151 els\u0151 bekapcsol\u00e1sa ut\u00e1n, m\u00e9r\u00e9st megel\u0151z\u0151 parancs n\u00e9lk\u00fcl, a kor\u00e1bbi \u00e9rt\u00e9ket adj\u00e1k vissza, nem pedig a 50 05 (85,0 fok).<\/li>\n<\/ol>\n

    \n<\/a><\/noindex>
    \nSajnos nincs oszcilloszk\u00f3pom, \u00e9s a tesztberendez\u00e9s egy GPS nyomk\u00f6vet\u0151, a Galileosky BaseBlock Lite volt. <\/p>\n

    Az \u00e9rz\u00e9kel\u0151ket k\u00fcl\u00f6nb\u00f6z\u0151 elad\u00f3kt\u00f3l v\u00e1s\u00e1rolt\u00e1k, \u00e9s csak egy t\u00e9tel m\u0171k\u00f6d\u00f6tt parazita t\u00e1pl\u00e1l\u00e1s m\u00f3dban. \u00d6sszesen 5 t\u00e9telt v\u00e1s\u00e1roltak 50 darabonk\u00e9nt.
    \nA t\u00f6bbiek egy\u00e1ltal\u00e1n nem m\u0171k\u00f6dtek parazita t\u00e1pl\u00e1l\u00e1s m\u00f3dban. A termin\u00e1l nem biztos\u00edt k\u00fcls\u0151 t\u00e1pl\u00e1l\u00e1st az \u00e9rz\u00e9kel\u0151 sz\u00e1m\u00e1ra, \u00e9s a rendszer aut\u00f3ra t\u00f6rt\u00e9n\u0151 telep\u00edt\u00e9se \u00e9rdek\u00e9ben maxim\u00e1lisan egyszer\u0171s\u00edteni kell.<\/p>\n

    A probl\u00e9ma megold\u00e1sa<\/h2>\n

    \nTeh\u00e1t az \u00e9rz\u00e9kel\u0151k megvannak, de csak egy t\u00e9tel m\u0171k\u00f6d\u00f6tt megfelel\u0151en, \u00e9s az \u00faj t\u00e9tel megrendel\u00e9se \u00e9s a probl\u00e9ma megold\u00e1sa jelent\u0151s id\u0151t ig\u00e9nyelt volna, tov\u00e1bb\u00e1 t\u00f6bbletk\u00f6lts\u00e9geket vonzott volna. Ez\u00e9rt a probl\u00e9m\u00e1t saj\u00e1t er\u0151b\u0151l kellett megoldani.<\/p>\n

    Mivel csak k\u00e9tr\u00e1vezet\u00e9kes kapcsol\u00e1s haszn\u00e1lhat\u00f3, az \u00e9rz\u00e9kel\u0151 t\u00e1pl\u00e1l\u00e1s\u00e1t a jelvezet\u00e9kb\u0151l kell megoldani, azaz parazita t\u00e1pl\u00e1l\u00e1st kell l\u00e9trehozni. Parazita t\u00e1pl\u00e1l\u00e1st a k\u00f6vetkez\u0151 s\u00e9ma szerint szerveztem meg:<\/p>\n

    \"Hamis
    \n
    \nA kivitelben jav\u00edtott\u00e1k a parazita t\u00e1pl\u00e1l\u00e1s m\u0171k\u00f6d\u00e9s\u00e9t, de a k\u00fcls\u0151 t\u00e1pl\u00e1l\u00e1s csatlakoztat\u00e1s\u00e1nak lehet\u0151s\u00e9ge megmaradt. Ek\u00f6zben kiss\u00e9 megv\u00e1ltozik a csatlakoztat\u00e1si s\u00e9ma: parazita t\u00e1pl\u00e1l\u00e1s eset\u00e9n a Vcc vezet\u00e9k csatlakoztat\u00e1sa. nem haszn\u00e1latos<\/u>.<\/p>\n

    A panel \u00f6sszeszerel\u00e9se ut\u00e1n a szenzor a termin\u00e1l \u00e1ltal \u00e9rz\u00e9kelhet\u0151 volt 1 \u03bcF kapacit\u00e1s\u00fa kondenz\u00e1torral. T\u00f6meges bevezet\u00e9shez paneles lapokat terveztek \u00e9s rendeltek a parazita t\u00e1pl\u00e1l\u00e1shoz:<\/p>\n

    \"Hamis
    \n
    \n\u00c9rdekes pillanat:<\/b> A szenzor t\u00f6m\u00edt\u00e9s\u00e9hez a gy\u00e1rt\u00f3k haszn\u00e1lhatnak h\u0151ragaszt\u00f3t vagy szilikont. Az els\u0151 esetben fel lehet meleg\u00edteni a h\u00fcvelyt, ki lehet venni a szenzort, be lehet \u00e9p\u00edteni a lapot, vissza lehet helyezni a h\u00fcvelybe, \u00e9s \u00fajb\u00f3l h\u0151ragaszt\u00f3val ki lehet \u00f6nteni. A m\u00e1sodik esetben ez nem m\u0171k\u00f6dik, \u00e9s a lapot a szenzor k\u00f6zel\u00e9ben kellett forrasztani, h\u0151ragaszt\u00f3val ki\u00f6nteni, \u00e9s h\u0151zsugorcs\u00f6vet felhelyezni, az eredm\u00e9ny pedig \u00edgy n\u00e9z ki:<\/p>\n

    \"Hamis
    \n<\/p>\n

    Z\u00e1r\u00e1s<\/h2>\n

    \nItt szeretn\u00e9m felh\u00edvni az eszk\u00f6zgy\u00e1rt\u00f3k figyelm\u00e9t erre a pontra a term\u00e9keikben, a keresked\u0151ket pedig arra, hogy ellen\u0151rizz\u00e9k a szenzorokat az \u00e9rt\u00e9kes\u00edt\u00e9s el\u0151tt, vagy pedig ne foglalkozzanak a besz\u00e1ll\u00edt\u00f3kkal, ha hamis szenzorokat sz\u00e1ll\u00edtanak. A felhaszn\u00e1l\u00f3k pedig vil\u00e1g\u00edtsanak r\u00e1 erre a t\u00e9m\u00e1ra a megjegyz\u00e9seikben, leveleikben vagy panaszainkban.
    \n
    Forr\u00e1s:     habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

    \u0414\u043e\u0431\u0440\u043e\u0433\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0441\u0443\u0442\u043e\u043a! \u0412 \u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043e\u0442\u0440\u0430\u0436\u0435\u043d\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u043e\u0434\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0434\u0430\u0442\u0447\u0438\u043a\u043e\u0432, \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445 \u044d\u0442\u0438 \u0434\u0430\u0442\u0447\u0438\u043a\u0438 \u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b. \u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a: ali-trends.ru \u0414\u043e \u043c\u0435\u043d\u044f \u043e \u043f\u043e\u0434\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0434\u0430\u0442\u0447\u0438\u043a\u0430\u0445 \u043f\u0438\u0441\u0430\u043b\u043e\u0441\u044c \u0435\u0449\u0435 \u0438 \u0437\u0434\u0435\u0441\u044c. \u0425\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u043d\u044b\u0435 \u043e\u0442\u043b\u0438\u0447\u0438\u044f \u043f\u043e\u0434\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0434\u0430\u0442\u0447\u0438\u043a\u043e\u0432 \u043e\u0442 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b\u0430: \u0414\u0430\u0442\u0447\u0438\u043a, \u0434\u0430\u0436\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u044b\u0439 \u0432 \u043d\u0435\u043f\u043e\u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0439 \u0431\u043b\u0438\u0437\u043e\u0441\u0442\u0438, \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 \u043f\u0430\u0440\u0430\u0437\u0438\u0442\u043d\u043e\u0433\u043e \u043f\u0438\u0442\u0430\u043d\u0438\u044f \u043e\u0442\u0432\u0435\u0447\u0430\u0435\u0442 \u043d\u0435\u0443\u0432\u0435\u0440\u0435\u043d\u043d\u043e, \u0447\u0435\u0440\u0435\u0437 \u0440\u0430\u0437. \u0412 \u0440\u0435\u0436\u0438\u043c\u0435 \u043f\u0430\u0440\u0430\u0437\u0438\u0442\u043d\u043e\u0433\u043e \u043f\u0438\u0442\u0430\u043d\u0438\u044f […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":29052,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-38728","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Hamis DS18B20 v\u00edz\u00e1ll\u00f3: mit tegy\u00fcnk? | ProHoster","description":"J\u00f3 napot k\u00edv\u00e1nok!","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/poddelnye-ds18b20-waterproof-chto-delat","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041f\u043e\u0434\u0434\u0435\u043b\u044c\u043d\u044b\u0435 DS18B20 waterproof: \u0447\u0442\u043e \u0434\u0435\u043b\u0430\u0442\u044c? | ProHoster","og:description":"\u0414\u043e\u0431\u0440\u043e\u0433\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0441\u0443\u0442\u043e\u043a!","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/poddelnye-ds18b20-waterproof-chto-delat","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2019-10-31T19:25:33+00:00","article:modified_time":"2019-10-31T19:25:33+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"38728","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-23 23:11:21","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-03-01 01:04:30","updated":"2026-01-23 23:11:21","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/38728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=38728"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/38728\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media\/29052"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=38728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=38728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=38728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}