{"id":93316,"date":"2020-07-03T08:10:33","date_gmt":"2020-07-03T06:10:33","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/roznice-miedzy-czujnikiem-pir-a-czujnikiem-mikrofalowym\/"},"modified":"2024-10-24T10:17:40","modified_gmt":"2024-10-24T08:17:40","slug":"rozdily-mezi-pir-senzorem-a-mikrovlnnym-senzorem","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/rozdily-mezi-pir-senzorem-a-mikrovlnnym-senzorem\/","title":{"rendered":"Rozd\u00edly mezi PIR senzorem a mikrovlnn\u00fdm senzorem"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas \u010dten\u00ed:<\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"93316\" class=\"elementor elementor-93316 elementor-5217\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-09783d6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"09783d6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4de2bd6\" data-id=\"4de2bd6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-83330f8 elementor-widget elementor-widget-text-editor\" data-id=\"83330f8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Senzory vyu\u017e\u00edvaj\u00ed r\u016fzn\u00e9 technologie k detekci pohybu v bezpe\u010dnostn\u00edch syst\u00e9mech, pr\u016fmyslu nebo logistice. Na prvn\u00ed pohled zn\u00ed dne\u0161n\u00ed nadpis jako \u00fazk\u00fd v\u00fdsek t\u00e9matu, ale srovn\u00e1n\u00ed PIR a mikrovlnn\u00e9ho senzoru je u\u017eite\u010dnou nit\u00ed jak pro konstrukt\u00e9ry vlastn\u00edch syst\u00e9m\u016f s <a href=\"https:\/\/botland.cz\/234-arduino\" data-wpel-link=\"internal\">Arduino<\/a> a <a href=\"https:\/\/botland.cz\/399-raspberry-pi\" data-wpel-link=\"internal\">Raspberry Pi<\/a>, tak pro \u010dist\u011b spot\u0159ebitelsk\u00e9 aplikace.  Zveme v\u00e1s k p\u0159e\u010dten\u00ed \u010dl\u00e1nku s minipr\u016fvodcem. <\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4081c56 elementor-widget elementor-widget-text-editor\" data-id=\"4081c56\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>T\u00e9ma, kter\u00e9mu se dnes budeme v\u011bnovat, se t\u00fdk\u00e1 dvou nej\u010dast\u011bji pou\u017e\u00edvan\u00fdch sn\u00edma\u010d\u016f (budeme tento term\u00edn pou\u017e\u00edvat zam\u011bniteln\u011b se senzory) &#8211; <b>mikrovlnn\u00e9ho senzoru<\/b> a <b>PIR senzoru<\/b>. Pod\u00edv\u00e1me se na rozd\u00edly, na pozitiva a negativa a nakonec &#8211; rozhodneme se, kter\u00fd je pro pr\u00e1ci s projektem na minipo\u010d\u00edta\u010di nejlep\u0161\u00ed volbou. <\/p>\n<p>Pokus\u00edme se odpov\u011bd\u011bt na n\u00e1sleduj\u00edc\u00ed ot\u00e1zky:<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8730c3d elementor-widget elementor-widget-text-editor\" data-id=\"8730c3d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li>Co jsou to mikrovlnn\u00e9 a PIR senzory?<\/li>\n<li>jak\u00e9 jsou jejich v\u00fdhody a nev\u00fdhody?<\/li>\n<li>kde je lze pou\u017e\u00edt?<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c121727 elementor-widget elementor-widget-heading\" data-id=\"c121727\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Co je to mikrovlnn\u00fd senzor?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5cf4f90 elementor-widget elementor-widget-text-editor\" data-id=\"5cf4f90\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Mikrovlnn\u00fd senzor, zn\u00e1m\u00fd tak\u00e9 jako radar, RF nebo Doppler\u016fv senzor, je elektronick\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 detekuje jak\u00fdkoli pohyb. Je slo\u017eit\u00fd pouze sv\u00fdm vzhledem. Svou \u010dinnost zakl\u00e1d\u00e1 na jevu elektromagnetick\u00e9ho z\u00e1\u0159en\u00ed, tj. principu vys\u00edl\u00e1n\u00ed a p\u0159ij\u00edm\u00e1n\u00ed elektromagnetick\u00fdch vln. Detekce pohybu je mo\u017en\u00e1 tak\u00e9 na z\u00e1klad\u011b Dopplerova jevu &#8211; zjednodu\u0161en\u011b \u0159e\u010deno, mikrovlny vys\u00edlan\u00e9 sn\u00edma\u010dem se &#8220;odr\u00e1\u017eej\u00ed&#8221; od povrchu a vracej\u00ed se zp\u011bt ke sn\u00edma\u010di, kter\u00fd je v takov\u00e9m p\u0159\u00edpad\u011b schopen detekovat a m\u011b\u0159it dobu, za kterou se sign\u00e1l vr\u00e1til ke sv\u00e9mu zdroji. To se ozna\u010duje <span style=\"font-size: 1rem;\">term\u00ednem<\/span>    <span style=\"font-size: 1rem;\"> <\/span><span style=\"font-size: 1rem;\"><i>echo time<\/i> (z anglick\u00e9ho echo time &#8211; \u010das ozv\u011bny). Jednoduch\u00e9, \u017ee? <\/span><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf04a43 elementor-widget elementor-widget-text-editor\" data-id=\"cf04a43\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pod\u00edvejme se na tuto ozv\u011bnu bl\u00ed\u017ee. Jedn\u00e1 se o \u010dasov\u00fd interval mezi p\u016fsoben\u00edm RF impulzu (radiofrekvence) a odezvou m\u00e9dia &#8211; v tomto p\u0159\u00edpad\u011b na\u0161eho senzoru. Pom\u00e1h\u00e1 vypo\u010d\u00edtat vzd\u00e1lenost od jak\u00e9hokoli objektu v dosahu detekce senzoru.   <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e1aa01 elementor-widget elementor-widget-image\" data-id=\"4e1aa01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"343\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/schemat-czujnik.png\" class=\"attachment-large size-large wp-image-54158\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/schemat-czujnik.png 913w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/schemat-czujnik-300x128.png 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/schemat-czujnik-768x329.png 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/schemat-czujnik-640x274.png 640w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e30dd6 elementor-widget elementor-widget-text-editor\" data-id=\"6e30dd6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>D\u00edky dob\u011b ozv\u011bny sn\u00edma\u010d zjist\u00ed, zda v dosahu detekce do\u0161lo k pohybu. Zjednodu\u0161en\u011b \u0159e\u010deno &#8211; pohybuj\u00edc\u00ed se osoba ovlivn\u00ed zm\u011bnu vln\u011bn\u00ed. Senzor je schopen takovou zm\u011bnu detekovat za m\u00e9n\u011b ne\u017e mikrosekundu (miliontinu sekundy).  <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a4d2eb elementor-widget elementor-widget-heading\" data-id=\"7a4d2eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">V\u00fdhody a nev\u00fdhody mikrovlnn\u00e9ho senzoru<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-00252e7 elementor-widget elementor-widget-text-editor\" data-id=\"00252e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>\u2705 O<\/b><b style=\"font-size: 1rem;\">dolnost proti okoln\u00edm teplot\u00e1m<\/b><\/p>\n<p><span style=\"font-size: 1rem;\">\u00dadaje mikrovlnn\u00e9ho senzoru nejsou z\u00e1visl\u00e9 na okoln\u00ed teplot\u011b. D\u00edky tomu je univerz\u00e1ln\u011bj\u0161\u00ed a lze jej instalovat i v obt\u00ed\u017en\u00fdch podm\u00ednk\u00e1ch, v\u010detn\u011b horka, de\u0161t\u011b, mlhy, v\u011btru, prachu, sn\u011bhu atd. <\/span><\/p>\n<p><span style=\"font-weight: bold;\">\u2705<\/span><span style=\"font-weight: bold; font-size: 1rem;\"> <\/span><b style=\"font-size: 1rem;\"><span style=\"font-size: 1rem;\">\u0160irok\u00fd detek\u010dn\u00ed rozsah <\/span><\/b> <\/p>\n<p><span style=\"font-size: 1rem;\">Mikrovlnn\u00fd sn\u00edma\u010d dok\u00e1\u017ee sn\u00edmat informace i p\u0159es st\u011bny a otvory, co\u017e je skv\u011bl\u00e1 vlastnost v m\u00edstech, kde je obt\u00ed\u017en\u00e1 instalace, a v rozs\u00e1hl\u00fdch otev\u0159en\u00fdch prostor\u00e1ch.<\/span><\/p>\n<p><span style=\"font-weight: bold; font-size: 1rem;\">\u2705<\/span><span style=\"font-weight: bold; font-size: 1rem;\"> &#8211;<\/span><span style=\"font-weight: bold; font-size: 1rem;\">&#8211;<\/span><span style=\"font-family: Roboto; font-size: 1rem;\"><b>Redukce fale\u0161n\u00fdch poplach\u016f<\/b><\/span><\/p>\n<p>Mikrovlnn\u00fd sn\u00edma\u010d lze naprogramovat tak, aby se sn\u00ed\u017eil po\u010det fale\u0161n\u00fdch poplach\u016f, ani\u017e by se sn\u00ed\u017eil po\u010det platn\u00fdch poplach\u016f. <span style=\"font-size: 1rem;\">To zvy\u0161uje jeho p\u0159esnost a snadnost pou\u017eit\u00ed. <\/span><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f5cd287 elementor-widget elementor-widget-text-editor\" data-id=\"f5cd287\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b> Pot\u0159eba st\u00e1l\u00e9 spot\u0159eby energie<\/b> <br \/>Odpojen\u00fd od elektrick\u00e9 s\u00edt\u011b je senzor nepou\u017eiteln\u00fd &#8211; ke sv\u00e9 \u010dinnosti pot\u0159ebuje st\u00e1l\u00fd p\u0159\u00edvod elekt\u0159iny, co\u017e m\u00edrn\u011b prodra\u017euje jeho provoz.<\/p>\n<p><b><br \/> Intervalov\u00fd provoz<\/b>Senzor pracuje p\u0159eru\u0161ovan\u011b a objekty mohou z\u016fstat v pohybu po celou dobu. Pokud se n\u011bco nebo n\u011bkdo pohybuje dostate\u010dn\u011b rychle, existuje \u0161ance, \u017ee se vyhne detekci. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b5481f elementor-widget elementor-widget-heading\" data-id=\"3b5481f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Aplikace mikrovlnn\u00fdch senzor\u016f<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7534e04 elementor-widget elementor-widget-text-editor\" data-id=\"7534e04\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Kde se pou\u017e\u00edvaj\u00ed mikrovlnn\u00e9 senzory? P\u0159\u00edklady zahrnuj\u00ed pou\u017eit\u00ed: <\/p>\n<ul>\n<li>v pr\u016fmyslu (nap\u0159. m\u011b\u0159en\u00ed tekutin),<\/li>\n<li>v civiln\u00edch aplikac\u00edch (nap\u0159. m\u011b\u0159en\u00ed rychlosti vozidel), <\/li>\n<li>v doprav\u011b (nap\u0159. senzory m\u011b\u0159\u00edc\u00ed pohyb proj\u00ed\u017ed\u011bj\u00edc\u00edch vozidel),<\/li>\n<li>pro zabezpe\u010den\u00ed (nap\u0159. popla\u0161n\u00e9 syst\u00e9my proti vloup\u00e1n\u00ed),<\/li>\n<li>v automatizaci dve\u0159\u00ed a oken.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a2a23da elementor-widget elementor-widget-heading\" data-id=\"a2a23da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">P\u0159\u00edklad mikrovlnn\u00e9ho senzoru<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49fa433 elementor-widget elementor-widget-image\" data-id=\"49fa433\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.com.pl\/czujniki-ruchu\/5497-dfrobot-gravity-czujnik-mikrofalowy-do-wykrywania-ruchu.html\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/05497_3-300x300.jpg\" class=\"attachment-medium size-medium wp-image-54155\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/05497_3-300x300.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/05497_3-150x150.jpg 150w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/05497_3.jpg 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">P\u0159\u00edklad mikrovlnn\u00e9ho senzoru pro detekci pohybu - DFRobot Gravity.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-acabd89 elementor-widget elementor-widget-text-editor\" data-id=\"acabd89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div>\n<div>\n<p><b><a href=\"https:\/\/botland.cz\/gravity-senzory-vzdalenosti-a-pohybu\/5497-gravity-mikrovlnny-senzor-pro-detekci-pohybu-v20-dfrobot-sen0192-6959420909568.html\" data-wpel-link=\"internal\">DFRobot Gravita\u010dn\u00ed senzor<\/a><\/b> vyu\u017e\u00edv\u00e1 Doppler\u016fv jev k rozpozn\u00e1n\u00ed pohybu objekt\u016f. Pou\u017eit\u00ed mikrovln nam\u00edsto infra\u010derven\u00e9ho z\u00e1\u0159en\u00ed umo\u017e\u0148uje detekci objekt\u016f odr\u00e1\u017eej\u00edc\u00edch vlny v mikrorozsahu. Na sn\u00edm\u00e1n\u00ed nem\u00e1 vliv teplota, vlhkost, hluk, vzduch, prach ani sv\u011btlo &#8211; je vhodn\u00fd do n\u00e1ro\u010dn\u00fdch podm\u00ednek a detekuje i nehybn\u00e9 nebo ne\u017eiv\u00e9 objekty. Pracuje s jak\u00fdmkoli digit\u00e1ln\u00edm modulem s nap\u011bt\u00edm 5 V.   <\/p>\n<p>Zaj\u00edmavost\u00ed pro majitele mikropo\u010d\u00edta\u010d\u016f je, \u017ee senzor je kompatibiln\u00ed se za\u0159\u00edzen\u00edm <b><a href=\"https:\/\/botland.cz\/234-arduino\" data-wpel-link=\"internal\">Arduino <\/a><\/b>&#8211; P\u0159\u00edklad k\u00f3du a podrobn\u00e9 informace naleznete v u\u017eivatelsk\u00e9 p\u0159\u00edru\u010dce.<\/p>\n<\/p>\n<\/div>\n<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71fdb8f elementor-widget elementor-widget-heading\" data-id=\"71fdb8f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Co je to senzor PIR?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10089c8 elementor-widget elementor-widget-text-editor\" data-id=\"10089c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Druh\u00fdm diskutovan\u00fdm senzorem pohybu je <i>Passive Infra Red<\/i> &#8211; pasivn\u00ed infra\u010derven\u00fd senzor (PIR). B\u011b\u017en\u011b se pou\u017e\u00edv\u00e1 v alarmech nebo syst\u00e9mech automatizace budov. Detekce pohybu zde nen\u00ed zalo\u017eena na jevu vln\u011bn\u00ed, ale na p\u0159esn\u00e9m m\u011b\u0159en\u00ed tepeln\u00e9 energie, tj. teplotn\u00edch zm\u011bn. Dob\u0159e funguje ve st\u00edsn\u011bn\u00fdch prostorech, kde m\u011b\u0159\u00ed infra\u010derven\u00e9 sv\u011btlo vych\u00e1zej\u00edc\u00ed z objekt\u016f v dosahu detekce. Jedn\u00e1 se o stejnou technologii, jakou pou\u017e\u00edvaj\u00ed nap\u0159\u00edklad p\u0159\u00edstroje pro no\u010dn\u00ed vid\u011bn\u00ed.    <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-87074d0 elementor-widget elementor-widget-text-editor\" data-id=\"87074d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Senzor PIR se skl\u00e1d\u00e1 z pyroelektrick\u00e9ho senzoru &#8211; pyroelementu &#8211; kter\u00fd je zodpov\u011bdn\u00fd za detekci r\u016fzn\u00fdch \u00farovn\u00ed infra\u010derven\u00e9ho z\u00e1\u0159en\u00ed. V d\u016fsledku toho se senzor aktivuje nap\u0159\u00edklad p\u0159i detekci studen\u00e9ho nebo tepl\u00e9ho z\u00e1vanu vzduchu. Osoba, kter\u00e1 vstoup\u00ed do m\u00edstnosti, zp\u016fsob\u00ed, \u017ee sn\u00edma\u010d zaznamen\u00e1 zm\u011bnu teploty. Kdy\u017e osoba odejde, teplota se vr\u00e1t\u00ed do norm\u00e1lu a \u010didlo PIR se deaktivuje. A to je cel\u00e1 filozofie.    <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c773a3 elementor-widget elementor-widget-image\" data-id=\"8c773a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"370\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/infrared-czujnik-1024x474.jpg\" class=\"attachment-large size-large wp-image-54159\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/infrared-czujnik-1024x474.jpg 1024w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/infrared-czujnik-300x139.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/infrared-czujnik-768x356.jpg 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/infrared-czujnik-640x296.jpg 640w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/infrared-czujnik.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Grafick\u00e9 zn\u00e1zorn\u011bn\u00ed paprsk\u016f v senzoru PIR.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ce1067b elementor-widget elementor-widget-heading\" data-id=\"ce1067b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">V\u00fdhody a nev\u00fdhody \u010didla PIR<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47ef73d elementor-widget elementor-widget-text-editor\" data-id=\"47ef73d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b style=\"font-family: Merriweather, Georgia, 'Times New Roman', Times, serif; font-size: 1rem;\">\u2705 <\/b><strong>Ni\u017e\u0161\u00ed spot\u0159eba energie<\/strong><br \/>Senzory PIR spot\u0159ebov\u00e1vaj\u00ed m\u00e9n\u011b energie (0,8 a\u017e 1 W) ve srovn\u00e1n\u00ed s mikrovlnn\u00fdmi senzory.<\/p>\n<p><b>\u2705 Spolehlivost <\/b><\/p>\n<p>Senzor PIR dok\u00e1\u017ee detekovat pohyb v interi\u00e9ru bez ohledu na dobu trv\u00e1n\u00ed pohybu. Funguje dob\u0159e ve dne i v noci. <\/p>\n<p><b>\u2705 <\/b><strong>Ni\u017e\u0161\u00ed n\u00e1klady<\/strong><br \/>Ve srovn\u00e1n\u00ed s mikrovlnn\u00fdmi senzory je provoz levn\u011bj\u0161\u00ed.<\/p>\n<p><span style=\"font-weight: bold;\"> <\/span><b>Citlivost <\/b> <\/p>\n<p>Bohu\u017eel ne tak lidsk\u00e9 &#8211; ve srovn\u00e1n\u00ed s mikrovlnn\u00fdm \u010didlem jsou \u010didla PIR z\u00e1visl\u00e1 na okoln\u00ed teplot\u011b. Pokud nap\u0159\u00edklad v l\u00e9t\u011b zaznamenaj\u00ed zv\u00fd\u0161en\u00ed tepla v p\u0159\u00edli\u0161 vyh\u0159\u00e1t\u00e9m prostoru, nemus\u00ed b\u00fdt schopny detekovat pohyb poch\u00e1zej\u00edc\u00ed nap\u0159\u00edklad od lid\u00ed.  <\/p>\n<p><span style=\"font-weight: bold;\"> <\/span><span style=\"font-weight: bold;\">Teplotn\u00ed limity<\/span><\/p>\n<p>Senzory nefunguj\u00ed p\u0159i teplot\u00e1ch nad 35<span style=\"color: #222222; font-family: arial, sans-serif; font-size: 14px;\"> \u00b0<\/span>C.<\/p>\n<p><span style=\"font-weight: bold; font-size: 1rem;\"> <\/span><b>Men\u0161\u00ed detek\u010dn\u00ed rozsah <\/b> <\/p>\n<p>Infra\u010derven\u00e9 senzory funguj\u00ed nejl\u00e9pe na p\u0159\u00edmou viditelnost. &#8211; Nap\u0159\u00edklad pod\u00e9l chodby.<br \/>\nPokud naraz\u00ed na \u00fahly a z\u00e1kruty, mohou nastat probl\u00e9my se spr\u00e1vnou detekc\u00ed. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2535da5 elementor-widget elementor-widget-heading\" data-id=\"2535da5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Aplikace PIR senzor\u016f<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-91e37f6 elementor-widget elementor-widget-text-editor\" data-id=\"91e37f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>P\u0159\u00edklady m\u00edst, kde se senzor PIR hod\u00ed, jsou:<\/p>\n<ul>\n<li>interi\u00e9ry uzav\u0159en\u00fdch prostor (nap\u0159. domy, kancel\u00e1\u0159e, sklady),<\/li>\n<li>m\u00edstnosti s vysok\u00fdmi stropy\/stropy,<\/li>\n<li>m\u00edstnosti s proud\u011bn\u00edm vzduchu (nap\u0159. chodby, schodi\u0161t\u011b),<\/li>\n<li>m\u00edsta s p\u0159\u00edmou viditelnost\u00ed (nap\u0159. uli\u010dky ve skladech),<\/li>\n<li>m\u00edsta s teplotou nez\u00e1vislou na venkovn\u00ed teplot\u011b.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-842efae elementor-widget elementor-widget-heading\" data-id=\"842efae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">P\u0159\u00edklad PIR senzoru<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7881aad elementor-widget elementor-widget-image\" data-id=\"7881aad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"280\" height=\"300\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/15522_1b-280x300.jpg\" class=\"attachment-medium size-medium wp-image-54156\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/15522_1b-280x300.jpg 280w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/15522_1b.jpg 600w\" sizes=\"(max-width: 280px) 100vw, 280px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">BBMagic Motion - bezdr\u00e1tov\u00fd (Bluetooth) PIR detektor pohybu.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b4e562 elementor-widget elementor-widget-text-editor\" data-id=\"6b4e562\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Sezn\u00e1mili jsme se s principem fungov\u00e1n\u00ed, v\u00fdhodami a nev\u00fdhodami a aplikacemi PIR \u010didla. Pod\u00edvejme se proto na jednu z nich. Bezdr\u00e1tov\u00e9 p\u0159ipojen\u00ed <b><a href=\"https:\/\/botland.cz\/bbmagic-bluetooth-automatizacni-moduly\/15522-bbmagic-motion-bezdratovy-pir-detektor-pohybu-5904422363130.html\" data-wpel-link=\"internal\">PIR BBMagic Detektor pohybu<\/a> <\/b>umo\u017e\u0148uje detekovat pohyb jak\u00e9hokoli objektu, jeho\u017e teplota je vy\u0161\u0161\u00ed ne\u017e absolutn\u00ed nula.   Komunikuje prost\u0159ednictv\u00edm Bluetooth Low Energy (BLE). <span style=\"font-size: 1rem;\">Nap\u00e1jen\u00ed 2,7 V a\u017e 3,3 V.<\/span><span style=\"font-size: 1rem;\">Modul je tak\u00e9 kompatibiln\u00ed s <\/span><span style=\"font-size: 1rem;\"><a style=\"font-weight: bold;\" href=\"https:\/\/botland.cz\/399-raspberry-pi\" data-wpel-link=\"internal\">po\u010d\u00edta\u010dem Raspberry Pi<\/a>.<\/span><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb99761 elementor-widget elementor-widget-heading\" data-id=\"fb99761\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">U\u010den\u00ed vych\u00e1z\u00ed z rozpozn\u00e1v\u00e1n\u00ed rozd\u00edl\u016f<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb51c2b elementor-widget elementor-widget-text-editor\" data-id=\"fb51c2b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Dob\u0159e, u\u017e v\u00edme v\u0161echno. Bylo by vhodn\u00e9 informace shrnout, aby bylo snaz\u0161\u00ed rozhodnout se, kter\u00fd sn\u00edma\u010d zvolit.  <\/p>\n<ul>\n<li><strong>Prostor<\/strong> &#8211; mikrovlnn\u00fd senzor se bude hodit tam, kde je prostor otev\u0159en\u00fd a nepravideln\u00fd. Jak\u00e9koli zat\u00e1\u010dky na zahrad\u011b nebo rohy na p\u0159\u00edjezdov\u00e9 cest\u011b pro auta jsou dom\u00e9nou mikrovlnn\u00e9ho senzoru. Rovn\u00e9 linie chodeb, schodi\u0161\u0165 a pr\u016fchod\u016f jsou naopak m\u00edsta, kde bude l\u00e9pe fungovat PIR \u010didlo.  <\/li>\n<li><b>Podm\u00ednky <\/b>&#8211;<b> <\/b>PIR je z\u00e1visl\u00fd na teplot\u011b a funguje pouze p\u0159i teplot\u011b ni\u017e\u0161\u00ed ne\u017e 35 \u00b0C. Mikrovlnn\u00fd teplotn\u00ed senzor se nezalekne ani jin\u00fdch pov\u011btrnostn\u00edch podm\u00ednek &#8211; m\u016f\u017ee nab\u00eddnout provoz i v rozmez\u00ed -20\u00b0C a\u017e 45\u00b0C.  <\/li>\n<li><b>Z\u00f3na detekce &#8211; <\/b>mikrovlnn\u00fd senzor nab\u00edz\u00ed \u0161irok\u00e9 pole detekce, zat\u00edmco u PIR je toto pole omezen\u00e9. PIR m\u016f\u017ee p\u0159ehl\u00e9dnout objekt na nepravideln\u00fdch m\u00edstech. Naopak neoptimalizovan\u00e9 nastaven\u00ed mikrovlnn\u00e9ho senzoru (\u0161patn\u011b zvolen\u00e9 intervaly) m\u016f\u017ee zp\u016fsobit, \u017ee objekt projde bez pov\u0161imnut\u00ed p\u0159\u00edmo p\u0159ed jeho nosem.  <\/li>\n<li><b>Spot\u0159eba energie<\/b> &#8211; mikrovlnn\u00fd senzor pot\u0159ebuje v\u00edce energie. PIR m\u00e1 spot\u0159ebu cca. 0,8 W &#8211; 1 W energie, zat\u00edmco u mikrovlnn\u00e9ho senzoru je to cca. 1,1 W &#8211; 1,5 W.   <\/li>\n<li><b>Citlivost <\/b>&#8211; mikrovlnn\u00fd senzor je citliv\u011bj\u0161\u00ed ne\u017e senzor PIR. Lze je proto pova\u017eovat za \u00fa\u010dinn\u011bj\u0161\u00ed.  <\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a314c28 elementor-widget elementor-widget-text-editor\" data-id=\"a314c28\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Je t\u0159eba m\u00edt na pam\u011bti, \u017ee senzory se n\u011bkdy vz\u00e1jemn\u011b kousaj\u00ed &#8211; sou\u010dasn\u00e9 pou\u017eit\u00ed dvou typ\u016f senzor\u016f m\u016f\u017ee zp\u016fsobit ru\u0161en\u00ed jejich \u010dinnosti. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-511913c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"511913c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e7fa787\" data-id=\"e7fa787\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-79ab849 elementor-widget elementor-widget-text-editor\" data-id=\"79ab849\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"k-faq-accord\">\n<h2>Mikrovlnn\u00fd senzor &#8211; \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n<div class=\"tabs\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/FAQPage\">\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck1\" type=\"checkbox\">\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck1\">Co je to mikrovlnn\u00fd detektor pohybu?<label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Mikrovlnn\u00fd senzor, zn\u00e1m\u00fd tak\u00e9 jako radar nebo Doppler\u016fv senzor, je elektronick\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 je ur\u010deno k detekci jak\u00e9hokoli pohybu (<a href=\"https:\/\/botland.cz\/332-pohybove-senzory\" data-wpel-link=\"internal\">pohybov\u00e9 senzory<\/a>). Funguje na z\u00e1klad\u011b elektromagnetick\u00e9ho z\u00e1\u0159en\u00ed, tj. vys\u00edl\u00e1n\u00ed a p\u0159ij\u00edm\u00e1n\u00ed vln, kter\u00e9 se &#8220;odrazily&#8221; od p\u0159ek\u00e1\u017eek.  <\/div>\n\n<\/div>\n<\/div>\n\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck2\" type=\"checkbox\">\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck2\">Je mikrovlnn\u00fd senzor bezpe\u010dn\u00fd?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Ano. Mikrovlnn\u00fd senzor a vlastn\u011b i vyza\u0159ovan\u00e9 mikrovlnn\u00e9 z\u00e1\u0159en\u00ed je pro \u010dlov\u011bka i zv\u00ed\u0159ata a rostliny zcela bezpe\u010dn\u00e9. Je to d\u00e1no t\u00edm, \u017ee tento typ senzoru se vyzna\u010duje n\u00edzk\u00fdm v\u00fdkonem. Z\u00e1jemci si mohou p\u0159e\u010d\u00edst <a href=\"https:\/\/botland.cz\/blog\/?p=93316\" data-wpel-link=\"internal\">\u010dl\u00e1nek<\/a> popisuj\u00edc\u00ed rozd\u00edly mezi PIR \u010didlem a mikrovlnn\u00fdm \u010didlem.    <\/div>\n\n<\/div>\n<\/div>\n\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck3\" type=\"checkbox\">\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck3\">Jak omezit dosah mikrovlnn\u00e9ho senzoru?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Vlny vys\u00edlan\u00e9 mikrovlnn\u00fdm senzorem pronikaj\u00ed p\u0159ek\u00e1\u017ekami. Z tohoto d\u016fvodu je \u010dasto nutn\u00e9 omezit dosah senzoru. Je vhodn\u00e9 experiment\u00e1ln\u011b pou\u017e\u00edt dal\u0161\u00ed fyzick\u00e9 p\u0159ek\u00e1\u017eky (nap\u0159. uzemn\u011bn\u00e9 plechy). Takov\u00e9 \u0159e\u0161en\u00ed jist\u011b omez\u00ed pracovn\u00ed dosah mikrovlnn\u00e9ho sn\u00edma\u010de.    <\/div>\n\n<\/div>\n<\/div>\n\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck4\" type=\"checkbox\">\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck4\">Jak zakr\u00fdt mikrovlnn\u00fd senzor?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Nap\u00e1jen\u00ed mikrovlnn\u00e9ho senzoru m\u016f\u017ee b\u00fdt d\u00e1no snahou omezit jeho dosah. V takov\u00e9m p\u0159\u00edpad\u011b lze \u010d\u00e1ste\u010dn\u011b pou\u017e\u00edt kus plechu p\u0159ipojen\u00fd k zemi. Takov\u00e9 \u0159e\u0161en\u00ed by m\u011blo omezit dosah sn\u00edma\u010de.   <\/div>\n\n<\/div>\n<\/div>\n\n\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Z\u00e1kladn\u00ed d\u011blen\u00ed senzor\u016f zahrnuje infra\u010derven\u00e9 a mikrovlnn\u00e9 senzory. Odpov\u00edd\u00e1me na z\u00e1kladn\u00ed ot\u00e1zku: Jak funguje sn\u00edma\u010d pohybu? Pod\u00edv\u00e1me se na n\u011b bl\u00ed\u017ee a rozebereme jejich v\u00fdhody a nev\u00fdhody.  <\/p>\n","protected":false},"author":10,"featured_media":60682,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[548,560],"tags":[665,676,594],"class_list":["post-93316","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika-cs","category-poradenstvi","tag-czujniki-cs","tag-czujniki-odleglosci-cs","tag-porady-cs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Rozd\u00edly mezi PIR senzorem a mikrovlnn\u00fdm senzorem - Botland<\/title>\n<meta name=\"description\" content=\"Z\u00e1kladn\u00ed d\u011blen\u00ed senzor\u016f zahrnuje infra\u010derven\u00e9 a mikrovlnn\u00e9 senzory. 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