{"id":4793,"date":"2019-09-15T18:48:03","date_gmt":"2019-09-15T18:48:03","guid":{"rendered":"http:\/\/fambach.net\/?p=4793"},"modified":"2026-10-18T23:14:19","modified_gmt":"2026-10-18T23:14:19","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_89 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 Contents\"><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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Fakten\" >Facts<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Technische_Daten\" >Technical Data<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Anschlusse_und_Regler\" >Anschl\u00fcsse und Regler<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Anwendungsbereiche\" >Areas of application<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Ansichten\" >Views<\/a><\/li><li class='ez-toc-page-1 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\/#Programmierung\" >Programming<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Bibliotheken\" >Libraries<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Versuchsaufbau\" >Experimental setup<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Testprogramm\" >Test programme<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Probleme\" >Problems<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Verzogerte_Reaktion\" >Verz\u00f6gerte Reaktion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Jumper_Einstellung\" >Jumper Einstellung<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/#Fazit\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 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\/#Verwandte_Beitrage\" >Related Posts<\/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\" >Sources<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Der HC SR501 ist 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 eingestellte Haltezeit (Anzeit). Die Empfindlichkeit und die Haltezeit k\u00f6nnen am jeweiligen Drehregler eingestellt werden. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"fakten\"><span class=\"ez-toc-section\" id=\"Fakten\"><\/span>Facts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"technische-daten\"><span class=\"ez-toc-section\" id=\"Technische_Daten\"><\/span>Technical Data<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div class=\"taxmod-record-block wp-block-taxmod-record\"><div class=\"taxmod-comparison-wrap\"><table class=\"taxmod-comparison\"><thead><tr><th><\/th><th class=\"taxmod-comparison-value taxmod-comparison-main\">HC-SR501 PIR-Bewegungsmelder<\/th><\/tr><\/thead><tbody><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Messgr\u00f6\u00dfe<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">Bewegung (W\u00e4rmestrahlung)<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Messprinzip<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">Passiv-Infrarot (pyroelektrisch)<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Sensor-Baustein<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">Pyroelektrischer Sensor LHI778<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Messbereich<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">ca. 3\u20137 m (per Potentiometer)<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">\u00d6ffnungswinkel<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">&lt; 120\u00b0<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Operating voltage<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">5\u201320 V<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Stromaufnahme<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">&lt; 50 \u00b5A (Ruhestrom)<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Abmessungen<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">32 \u00d7 24 mm<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Description<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">Ausgang High 3,3 V \/ Low 0 V; Haltezeit per Potentiometer ca. 5 s bis 300 s; Arbeitstemperatur \u221215 bis +70 \u00b0C<\/td><\/tr><\/tbody><\/table><\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"anschluesse-und-regler\"><span class=\"ez-toc-section\" id=\"Anschlusse_und_Regler\"><\/span>Anschl\u00fcsse und Regler<span class=\"ez-toc-section-end\"><\/span><\/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-22-1536x975.png 1536w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/image-22-18x12.png 18w, 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=\"auto, (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 Beschriftete Unterseite<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"anwendungsbereiche\"><span class=\"ez-toc-section\" id=\"Anwendungsbereiche\"><\/span>Areas of application<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><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\" id=\"ansichten\"><span class=\"ez-toc-section\" id=\"Ansichten\"><\/span>Views<span class=\"ez-toc-section-end\"><\/span><\/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\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_bottom.jpg 701w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_bottom-225x300.jpg 225w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_bottom-9x12.jpg 9w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><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\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_top.jpg 1069w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_top-300x225.jpg 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_top-1024x767.jpg 1024w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_top-768x575.jpg 768w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_top-16x12.jpg 16w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><figcaption class=\"blocks-gallery-item__caption\">HCSR501 from above<\/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\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_side.jpg 1099w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_side-300x221.jpg 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_side-1024x754.jpg 1024w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_side-768x565.jpg 768w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/HCSR501_side-16x12.jpg 16w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><figcaption class=\"blocks-gallery-item__caption\">HCSR501 von der Seite \u2013 Einstellrad links Empfindlichkeit, rechts Haltedauer<\/figcaption><\/figure><\/li><\/ul><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"programmierung\"><span class=\"ez-toc-section\" id=\"Programmierung\"><\/span>Programming<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"bibliotheken\"><span class=\"ez-toc-section\" id=\"Bibliotheken\"><\/span>Libraries<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Es wird nur ein digitaler Eingang am Microprozessor ben\u00f6tigt. Dieser kann \u00fcber die Standard-Bibliothek mit \u201edigitalRead\u201c abgefragt werden.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"versuchsaufbau\"><span class=\"ez-toc-section\" id=\"Versuchsaufbau\"><\/span>Experimental setup<span class=\"ez-toc-section-end\"><\/span><\/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\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/ArduinoHC-SR501_Schaltplan.jpg 786w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/ArduinoHC-SR501_Schaltplan-233x300.jpg 233w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/ArduinoHC-SR501_Schaltplan-768x988.jpg 768w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/ArduinoHC-SR501_Schaltplan-9x12.jpg 9w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><figcaption>HC-SR501 Schaltplan mit Arduino<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"testprogramm\"><span class=\"ez-toc-section\" id=\"Testprogramm\"><\/span>Test programme<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">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\n<p class=\"wp-block-paragraph\">Source code <code>HCSR501Test<\/code> (<span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/gist.github.com\/sfambach\/71043b4ce8c03482e6bedfaecd14373f\" class=\"ub-content-link__anchor\">GitHub Gist<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span>)<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"cpp\" class=\"language-cpp\">\/** HC SR501 Test\n *   www.fambach.net\n *   GPL V2\n*\/\n\n#define SR501PIN A0\n\nvoid setup() {\n  Serial.begin(115200);\n\n  \/\/ init pin\n  pinMode(A0, INPUT_PULLUP);\n\n}\n\nvoid loop() {\n  if (digitalRead(A0) == HIGH) {\n    Serial.print(\"PIR activated ...\");\n    while (digitalRead(A0) == HIGH) {\n      \/\/Serial.print(\".\");\n    }\n    Serial.println(\" now inactive\");\n  }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">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\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/image-23.png 396w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/image-23-300x251.png 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/2019\/09\/image-23-14x12.png 14w\" sizes=\"auto, (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 \u2013 Konsolen Ausgabe<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"probleme\"><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\" id=\"verzoegerte-reaktion\"><span class=\"ez-toc-section\" id=\"Verzogerte_Reaktion\"><\/span>Verz\u00f6gerte Reaktion<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">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\" id=\"jumper-einstellung\"><span class=\"ez-toc-section\" id=\"Jumper_Einstellung\"><\/span>Jumper Einstellung<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Unterschiede zwischen den beiden Jumper-Einstellungen konnten leider nicht festgestellt werden. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"fazit\"><span class=\"ez-toc-section\" id=\"Fazit\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Der PIR ist preiswert und leicht mit dem Arduino zu verbinden. Die Einstellm\u00f6glichkeiten sind etwas ungenau und bed\u00fcrfen mehrfachen Ausprobierens. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"verwandte-beitraege\"><span class=\"ez-toc-section\" id=\"Verwandte_Beitrage\"><\/span>Related Posts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<ul class=\"display-posts-listing\"><li class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-strom-sensor-ina219-dc\/\">Preview \u2013 INA3221 Power Monitor<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/li><li class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-digitaler-wagesensor\/\">Preview \u2013 Digitaler W\u00e4gesensor<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/li><li class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/esp32-bluetooth-gamepad-2\/\">ESP32 Bluetooth Gamepad<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/li><li class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/esp01-relay-platinen-2\/\">ESP01 \u2013 DHT11 Temperatur und Feuchte Sensor Platinen<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/li><li class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/feuchtigkeitsmesser-dht11-2\/\">Temperature and humidity sensor DHT22<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/li><li class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/lm2596-step-down-spannungswandler\/\">LM2596 Step Down Voltage Converter<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/li><li class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-strommessung-mit-dem-acs712\/\">Preview \u2013 Strommessung mit dem ACS712<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/li><li class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-omidirectionales-i%c2%b2c-mikrofon\/\">Preview \u2013 Omnidirectionales I\u00b2C Mikrofon<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/li><li class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-pir-bewegungssensor\/\">D1 Mini Shield \u2013 PIR (Bewegungssensor)<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/li><li class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/\">D1 Mini Shield \u2013 SG30 Luftqualit\u00e4tsmessung<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"quellen\"><span class=\"ez-toc-section\" id=\"Quellen\"><\/span>Sources<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--broken ub-content-link--status-after is-broken\"><a href=\"https:\/\/www.mpja.com\/download\/31227sc.pdf\" class=\"ub-content-link__anchor\" title=\"This link appears to be broken.\">https:\/\/www.mpja.com\/download\/31227sc.pdf<\/a><span class=\"ub-status ub-status--broken\" title=\"Link status: Broken\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: Broken<\/span><\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--broken ub-content-link--status-after is-broken\"><a href=\"http:\/\/www.netzmafia.de\/skripten\/hardware\/RasPi\/Projekt-PIR\/index.html\" class=\"ub-content-link__anchor\" title=\"This link appears to be broken.\">http:\/\/www.netzmafia.de\/skripten\/hardware\/RasPi\/Projekt-PIR\/index.html<\/a><span class=\"ub-status ub-status--broken\" title=\"Link status: Broken\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: Broken<\/span><\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/www.adrirobot.it\/sensori\/pir_sensor\/pir_sensor_hc-sr501_arduino.htm\" class=\"ub-content-link__anchor\">https:\/\/www.adrirobot.it\/sensori\/pir_sensor\/pir_sensor_hc-sr501_arduino.htm<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Der HC SR501 ist 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 eingestellte Haltezeit (Anzeit). Die Empfindlichkeit und die Haltezeit k\u00f6nnen am jeweiligen Drehregler eingestellt werden. Fakten Technische Daten Anschl\u00fcsse und Regler Anwendungsbereiche Sicherung von Objekten Einschalter\/Aufwecken von Kameras &#8230;<\/p>\n<a href=\"https:\/\/www.fambach.net\/en\/d1-mini-shield-sg30-luftqualitaet\/\" class=\"read-more-link\">Carry on reading <span class=\"screen-reader-text\">\"D1 Mini Shield &#8211; SG30 Luftqualit\u00e4tsmessung\"<\/span> <span class=\"meta-nav\">\u2192<\/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],"class_list":["post-4793","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bewegungserkennung","category-ir","tag-ir","tag-pir","tag-sensor","penguin-post","penguin-post-not-sticky"],"modified_by":"sfambach","_links":{"self":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/4793","targetHints":{"allow":["GET"]}}],"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":13,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/4793\/revisions"}],"predecessor-version":[{"id":20193,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/4793\/revisions\/20193"}],"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}]}}