{"id":4793,"date":"2019-09-15T18:48:03","date_gmt":"2019-09-15T18:48:03","guid":{"rendered":"http:\/\/fambach.net\/?p=4793"},"modified":"2021-09-19T14:25:55","modified_gmt":"2021-09-19T14:25:55","slug":"hc-sr501-pir-bewegungs-sensor","status":"publish","type":"post","link":"https:\/\/www.fambach.net\/en\/hc-sr501-pir-bewegungs-sensor\/","title":{"rendered":"HC-SR501 PIR motion sensor"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Fakten\" title=\"Facts\">Facts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Kompatibilitat\" title=\"Compatibility\">Compatibility<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Anwendungsbereiche\" title=\"Areas of application\">Areas of application<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Ansichten\" title=\"Views\">Views<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Programmierung\" title=\"Programming\">Programming<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Bibliotheken\" title=\"Libraries\">Libraries<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Testprogramm\" title=\"Test programme\">Test programme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Probleme\" title=\"Problems\">Problems<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Fazit\" title=\"Conclusion\">Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Weitere_Beitrage\" title=\"More posts\">More posts<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Andere_Shields\" title=\"Other Shields\">Other Shields<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Mehr_ESPs\" title=\"More ESPs\">More ESPs<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Quellen\" title=\"Sources\">Sources<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Quellen_zum_Shield\" title=\"Sources for the Shield\">Sources for the Shield<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Quellen_zu_den_Boards\" title=\"Sources for the boards\">Sources for the boards<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p>Der HC SR501 is ein 360\u00b0 Infrarot Bewegungsmelder. Er hat einen Erfassungsradius 120\u00b0. Bei Bewegung im Messbereich schaltet er einen Pin auf 3,3V und h\u00e4lt diesen f\u00fcr eine eingestellt Haltezeit (Anzeit). Die Empfindlichkeit und die Haltezeit kann am jeweiligen Drehregler eingestellt werden. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Facts<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Technische Daten<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Description<\/strong><\/td><td><strong>Worth<\/strong><\/td><\/tr><tr><td>Arbeitsspannung<\/td><td>5-20V<\/td><\/tr><tr><td>Electricity<\/td><td>&lt; 60\u00b5A<\/td><\/tr><tr><td>Ausgangsspannung (an\/aus)<\/td><td>3,3V\/ 0,0V<\/td><\/tr><tr><td>Einschaltzeit  (\u00dcber Poti einstellbar) <\/td><td>3s bis 5min<\/td><\/tr><tr><td>Reichweite (\u00dcber Poti einstellbar)<\/td><td>3m &#8211; 7m<\/td><\/tr><tr><td>Erfassungswinkel<\/td><td>&lt;= 120\u00b0<\/td><\/tr><tr><td>Operating temperature<\/td><td>\u2013 15 bis +70 <\/td><\/tr><tr><td>Dimension <\/td><td>32mm x 24mm <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Anschl\u00fcsse und Regler<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"650\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2019\/09\/image-22-1024x650.png\" alt=\"\" class=\"wp-image-4794\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/image-22-1024x650.png 1024w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/image-22-300x190.png 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/image-22-768x488.png 768w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/image-22.png 1753w\" sizes=\"(max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\" \/><figcaption>PIR HC-SR501 Beschriftetet Unterseite<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Areas of application<\/h2>\n\n\n\n<ul><li>Sicherung von Objekten<\/li><li>Einschalter\/Aufwecken von Kameras oder anderen Microcontrollern<\/li><li>Bewegungsabh\u00e4ngige Lichtsteuerung<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Views<\/h2>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"701\" height=\"935\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_bottom.jpg\" alt=\"HCSR501 von Unten\" data-id=\"4796\" data-link=\"https:\/\/fambach.net\/?attachment_id=4796\" class=\"wp-image-4796\"\/><figcaption class=\"blocks-gallery-item__caption\">HCSR501 von Unten<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1069\" height=\"801\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_top.jpg\" alt=\"HCSR501 von Oben\" data-id=\"4798\" data-link=\"https:\/\/fambach.net\/?attachment_id=4798\" class=\"wp-image-4798\"\/><figcaption class=\"blocks-gallery-item__caption\">HCSR501 von Oben<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1099\" height=\"809\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_side.jpg\" alt=\"HCSR501 von der Seite\" data-id=\"4797\" data-link=\"https:\/\/fambach.net\/?attachment_id=4797\" class=\"wp-image-4797\"\/><figcaption class=\"blocks-gallery-item__caption\">HCSR501 von der Seite &#8211; einstellrad links Empfindlichkeit , recht Haltedauer<\/figcaption><\/figure><\/li><\/ul><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Programming<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Libraries<\/h3>\n\n\n\n<p>Es wird nur ein digitaler Eingang am Microprozessor ben\u00f6tigt. Dieser kann \u00fcber die Standard-Bibliothek mit &#8222;digitalRead&#8220;abgefragt werden.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Versuchsaufbau<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1011\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2019\/09\/ArduinoHC-SR501_Schaltplan.jpg\" alt=\"HC-SR501 Schaltplan mit Arduino\" class=\"wp-image-4800\"\/><figcaption>HC-SR501 Schaltplan mit Arduino<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Test programme<\/h3>\n\n\n\n<p>Das Testprogramm fragt in jeder Schleife den Pin ab, der mit dem PIR verbunden ist. Bei Aktivierung wird der Status auf der Konsole ausgegeben. Der Prozess verweilt so lange in einer Schleife bis der PIR Sensor wieder inaktiv ist. (Die 3,3 Volt sollten reichen um den Pin auf High zu schalten) Folgend der Code:<\/p>\n\n\n<style> #wrap_githubgist71043b4ce8c03482e6bedfaecd14373f .gist-data {max-height: 400px;} <\/style>\n<div id=\"wrap_githubgist71043b4ce8c03482e6bedfaecd14373f\" style=\"width:100%\"><script>document.write('<link rel=\"stylesheet\" href=\"https:\/\/github.githubassets.com\/assets\/gist-embed-f554937d749d36df.css\">')\ndocument.write('<\/p>\n<div id=\\\"gist98364107\\\" class=\\\"gist\\\">\\n    <\/p>\n<div class=\\\"gist-file\\\" translate=\\\"no\\\" data-color-mode=\\\"light\\\" data-light-theme=\\\"light\\\">\\n      <\/p>\n<div class=\\\"gist-data\\\">\\n        \\n<\/p>\n<div class=\\\"js-gist-file-update-container js-task-list-container\\\">\\n      <\/p>\n<div id=\\\"file-hcsr501test\\\" class=\\\"file my-2\\\">\\n    \\n    <\/p>\n<div itemprop=\\\"text\\\"\\n      class=\\\"Box-body p-0 blob-wrapper data type-text  \\\"\\n      style=\\\"overflow: auto\\\" tabindex=\\\"0\\\" role=\\\"region\\\"\\n      aria-label=\\\"HCSR501Test content, created by sfambach on 06:22PM on September 15, 2019.\\\"\\n    >\\n\\n        \\n<\/p>\n<div class=\\\"js-check-hidden-unicode js-blob-code-container blob-code-content\\\">\\n\\n  <template class=\\\"js-file-alert-template\\\">\\n  <\/p>\n<div data-view-component=\\\"true\\\" class=\\\"flash flash-warn flash-full d-flex flex-items-center\\\">\\n  <svg aria-hidden=\\\"true\\\" height=\\\"16\\\" viewBox=\\\"0 0 16 16\\\" version=\\\"1.1\\\" width=\\\"16\\\" data-view-component=\\\"true\\\" class=\\\"octicon octicon-alert\\\">\\n    <path d=\\\"M6.457 1.047c.659-1.234 2.427-1.234 3.086 0l6.082 11.378A1.75 1.75 0 0 1 14.082 15H1.918a1.75 1.75 0 0 1-1.543-2.575Zm1.763.707a.25.25 0 0 0-.44 0L1.698 13.132a.25.25 0 0 0 .22.368h12.164a.25.25 0 0 0 .22-.368Zm.53 3.996v2.5a.75.75 0 0 1-1.5 0v-2.5a.75.75 0 0 1 1.5 0ZM9 11a1 1 0 1 1-2 0 1 1 0 0 1 2 0Z\\\"><\\\/path>\\n<\\\/svg>\\n    <span>\\n      This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.\\n      <a class=\\\"Link--inTextBlock\\\" href=\\\"https:\/\/github.co\/hiddenchars\\\" target=\\\"_blank\\\">Learn more about bidirectional Unicode characters<\\\/a>\\n    <\\\/span>\\n\\n\\n  <\/p>\n<div data-view-component=\\\"true\\\" class=\\\"flash-action\\\">        <a href=\\\"{{ revealButtonHref }}\\\" data-view-component=\\\"true\\\" class=\\\"btn-sm btn\\\">    Show hidden characters\\n<\\\/a>\\n<\\\/div>\\n<\\\/div><\\\/template>\\n<template class=\\\"js-line-alert-template\\\">\\n  <span aria-label=\\\"This line has hidden Unicode characters\\\" data-view-component=\\\"true\\\" class=\\\"line-alert tooltipped tooltipped-e\\\">\\n    <svg aria-hidden=\\\"true\\\" height=\\\"16\\\" viewBox=\\\"0 0 16 16\\\" version=\\\"1.1\\\" width=\\\"16\\\" data-view-component=\\\"true\\\" class=\\\"octicon octicon-alert\\\">\\n    <path d=\\\"M6.457 1.047c.659-1.234 2.427-1.234 3.086 0l6.082 11.378A1.75 1.75 0 0 1 14.082 15H1.918a1.75 1.75 0 0 1-1.543-2.575Zm1.763.707a.25.25 0 0 0-.44 0L1.698 13.132a.25.25 0 0 0 .22.368h12.164a.25.25 0 0 0 .22-.368Zm.53 3.996v2.5a.75.75 0 0 1-1.5 0v-2.5a.75.75 0 0 1 1.5 0ZM9 11a1 1 0 1 1-2 0 1 1 0 0 1 2 0Z\\\"><\\\/path>\\n<\\\/svg>\\n<\\\/span><\\\/template>\\n\\n  <\/p>\n<table data-hpc class=\\\"highlight tab-size js-file-line-container\\\" data-tab-size=\\\"4\\\" data-paste-markdown-skip data-tagsearch-path=\\\"HCSR501Test\\\">\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L1\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"1\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC1\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">\/** HC SR501 Test<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L2\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"2\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC2\\\" class=\\\"blob-code blob-code-inner js-file-line\\\"> *   www.fambach.net<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L3\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"3\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC3\\\" class=\\\"blob-code blob-code-inner js-file-line\\\"> *   GPL V2<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L4\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"4\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC4\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">*\/<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L5\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"5\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC5\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">\\n<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L6\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"6\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC6\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">#define SR501PIN A0<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L7\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"7\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC7\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">\\n<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L8\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"8\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC8\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">void setup() {<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L9\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"9\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC9\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">  Serial.begin(115200);<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L10\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"10\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC10\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">\\n<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L11\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"11\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC11\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">  \/\/ init pin<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L12\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"12\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC12\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">  pinMode(A0, INPUT_PULLUP);<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L13\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"13\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC13\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">\\n<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L14\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"14\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC14\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">}<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L15\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"15\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC15\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">\\n<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L16\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"16\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC16\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">void loop() {<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L17\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"17\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC17\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">  if (digitalRead(A0) == HIGH) {<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L18\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"18\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC18\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">    Serial.print(&quot;PIR activated ...&quot;);<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L19\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"19\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC19\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">    while (digitalRead(A0) == HIGH) {<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L20\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"20\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC20\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">      \/\/Serial.print(&quot;.&quot;);<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L21\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"21\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC21\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">    }<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L22\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"22\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC22\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">    Serial.println(&quot; now inactive&quot;);<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L23\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"23\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC23\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">  }<\\\/td>\\n        <\\\/tr>\\n        <\/p>\n<tr>\\n          <\/p>\n<td id=\\\"file-hcsr501test-L24\\\" class=\\\"blob-num js-line-number js-blob-rnum\\\" data-line-number=\\\"24\\\"><\\\/td>\\n          <\/p>\n<td id=\\\"file-hcsr501test-LC24\\\" class=\\\"blob-code blob-code-inner js-file-line\\\">}<\\\/td>\\n        <\\\/tr>\\n  <\\\/table>\\n<\\\/div>\\n\\n\\n    <\\\/div>\\n\\n  <\\\/div>\\n\\n<\\\/div>\\n\\n      <\\\/div>\\n      <\/p>\n<div class=\\\"gist-meta\\\">\\n        <a href=\\\"https:\/\/gist.github.com\/sfambach\/71043b4ce8c03482e6bedfaecd14373f\/raw\/6582d466b97583baf7ed53e8443a7d9761e8d19f\/HCSR501Test\\\" style=\\\"float:right\\\" class=\\\"Link--inTextBlock\\\">view raw<\\\/a>\\n        <a href=\\\"https:\/\/gist.github.com\/sfambach\/71043b4ce8c03482e6bedfaecd14373f#file-hcsr501test\\\" class=\\\"Link--inTextBlock\\\">\\n          HCSR501Test\\n        <\\\/a>\\n        hosted with &#10084; by <a class=\\\"Link--inTextBlock\\\" href=\\\"https:\/\/github.com\\\">GitHub<\\\/a>\\n      <\\\/div>\\n    <\\\/div>\\n<\\\/div>\\n')\n<\/script><\/p>\n<div style='margin-bottom:1em;padding:0;'><noscript><code><\/p>\n<pre style='overflow:auto;margin:0;padding:0;border:1px solid #DDD;'>400: Invalid request<\/pre>\n<p><\/code><\/noscript><\/div>\n<\/div>\n\n\n\n<p>Hier noch die Konsolenausgabe:<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2019\/09\/image-23.png\" alt=\"\" class=\"wp-image-4802\" width=\"396\" height=\"331\"\/><figcaption>PIR HC SR501 &#8211; Konsolen Ausgabe<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Probleme\"><\/span>Problems<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Verz\u00f6gerte Reaktion<\/h3>\n\n\n\n<p>Dies ist normal. Der PIR hat eine Anschaltverz\u00f6gerung. Wenn der PIR sich ausschaltet braucht er danach ein paar Sekunden bis er wieder aktiviert werden kann. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Jumper Einstellung<\/h3>\n\n\n\n<p>Unterschiede zwischen den beiden Jumper-Einstellungen konnten leider nicht festgestellt werden. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Der PIR ist preiswert und leicht mit dem Arduino zu verbinden. Die Einstellm\u00f6glichkeiten sind etwas ungenau und bed\u00fcrfen mehrfaches ausprobieren. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Related Posts<\/h2>\n\n\n<ul class=\"display-posts-listing\">\n<li class=\"listing-item\"><a class=\"title\" href=\"https:\/\/www.fambach.net\/en\/preview-strom-sensor-ina219-dc\/\">Preview \u2013 INA3221 Power Monitor<\/a><\/li>\n<li class=\"listing-item\"><a class=\"title\" href=\"https:\/\/www.fambach.net\/en\/preview-digitaler-wagesensor\/\">Preview \u2013 Digital Weighing Sensor<\/a><\/li>\n<li class=\"listing-item\"><a class=\"title\" href=\"https:\/\/www.fambach.net\/en\/esp32-bluetooth-gamepad-2\/\">ESP32 Bluetooth Gamepad<\/a><\/li>\n<li class=\"listing-item\"><a class=\"title\" href=\"https:\/\/www.fambach.net\/en\/esp01-relay-platinen-2\/\">ESP01 \u2013 DHT11 Temperature and Humidity Sensor Boards<\/a><\/li>\n<li class=\"listing-item\"><a class=\"title\" href=\"https:\/\/www.fambach.net\/en\/feuchtigkeitsmesser-dht11-2\/\">Temperature and humidity sensor DHT22<\/a><\/li>\n<li class=\"listing-item\"><a class=\"title\" href=\"https:\/\/www.fambach.net\/en\/lm2596-step-down-spannungswandler\/\">LM2596 Step Down Spannungswandler<\/a><\/li>\n<li class=\"listing-item\"><a class=\"title\" href=\"https:\/\/www.fambach.net\/en\/preview-strommessung-mit-dem-acs712\/\">Preview &#8211; Strommessung mit dem ACS712<\/a><\/li>\n<li class=\"listing-item\"><a class=\"title\" href=\"https:\/\/www.fambach.net\/en\/preview-omidirectionales-i%c2%b2c-mikrofon\/\">Preview &#8211; Omnidirectionales I\u00b2C Mikrofon<\/a><\/li>\n<li class=\"listing-item\"><a class=\"title\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-pir-bewegungssensor\/\">D1 Mini Shield \u2013 PIR (Motion Sensor)<\/a><\/li>\n<li class=\"listing-item\"><a class=\"title\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/\">D1 Mini Shield \u2013 SG30 Air Quality Measurement<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Sources<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.mpja.com\/download\/31227sc.pdf\">https:\/\/www.mpja.com\/download\/31227sc.pdf<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.netzmafia.de\/skripten\/hardware\/RasPi\/Projekt-PIR\/index.html\">http:\/\/www.netzmafia.de\/skripten\/hardware\/RasPi\/Projekt-PIR\/index.html<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.adrirobot.it\/sensori\/pir_sensor\/pir_sensor_hc-sr501_arduino.htm\">https:\/\/www.adrirobot.it\/sensori\/pir_sensor\/pir_sensor_hc-sr501_arduino.htm<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Der HC SR501 is ein 360\u00b0 Infrarot Bewegungsmelder. Er hat einen Erfassungsradius 120\u00b0. Bei Bewegung im Messbereich schaltet er einen Pin auf 3,3V und h\u00e4lt diesen f\u00fcr eine eingestellt Haltezeit (Anzeit). Die Empfindlichkeit und die Haltezeit kann am jeweiligen Drehregler eingestellt werden. Fakten Technische Daten Beschreibung Wert Arbeitsspannung 5-20V Strom &lt; 60\u00b5A Ausgangsspannung (an\/aus) 3,3V\/ &#8230;<\/p>\n<a href=\"https:\/\/www.fambach.net\/en\/preview-esp01-relais-modul\/\" class=\"read-more-link\">Continue reading <span class=\"screen-reader-text\">\"ESP01 &#8211; Relais Platine\"<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a>","protected":false},"author":1,"featured_media":4797,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no","footnotes":""},"categories":[224,532],"tags":[226,225,5],"modified_by":"sfambach","_links":{"self":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/4793"}],"collection":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/comments?post=4793"}],"version-history":[{"count":9,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/4793\/revisions"}],"predecessor-version":[{"id":7881,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/4793\/revisions\/7881"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media\/4797"}],"wp:attachment":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media?parent=4793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/categories?post=4793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/tags?post=4793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}