{"id":9785,"date":"2023-10-28T15:25:05","date_gmt":"2023-10-28T15:25:05","guid":{"rendered":"https:\/\/www.fambach.net\/?p=9785"},"modified":"2026-10-04T19:25:25","modified_gmt":"2026-10-04T19:25:25","slug":"feuchtigkeitsmesser-dht11-2","status":"publish","type":"post","link":"https:\/\/www.fambach.net\/en\/feuchtigkeitsmesser-dht11-2\/","title":{"rendered":"Temperature and humidity sensor DHT22"},"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 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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fambach.net\/en\/feuchtigkeitsmesser-dht11\/#Ansicht\" >Ansicht<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fambach.net\/en\/feuchtigkeitsmesser-dht11\/#Fakten\" >Fakten<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fambach.net\/en\/feuchtigkeitsmesser-dht11\/#Wertebereich\" >Wertebereich<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fambach.net\/en\/feuchtigkeitsmesser-dht11\/#Pinning\" >Pinning<\/a><\/li><\/ul><\/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\/feuchtigkeitsmesser-dht11\/#Programmierung\" >Programmierung<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fambach.net\/en\/feuchtigkeitsmesser-dht11\/#Bibliothek\" >Bibliothek<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fambach.net\/en\/feuchtigkeitsmesser-dht11\/#Programmierung-2\" >Programmierung<\/a><\/li><\/ul><\/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\/feuchtigkeitsmesser-dht11\/#Verwandte_Beitrage\" >Verwandte Beitr\u00e4ge<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.fambach.net\/en\/feuchtigkeitsmesser-dht11\/#Probleme\" >Probleme<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.fambach.net\/en\/feuchtigkeitsmesser-dht11\/#fatal_error_DHTh\" >fatal error: DHT.h\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.fambach.net\/en\/feuchtigkeitsmesser-dht11\/#fatal_error_Adafruit_Sensorh\" >fatal error: Adafruit_Sensor.h<\/a><\/li><\/ul><\/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\/feuchtigkeitsmesser-dht11\/#Sonstiges\" >Sonstiges<\/a><\/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\/feuchtigkeitsmesser-dht11\/#Quellen\" >Quellen<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Der DHT kann die Luftfeuchtigkeit mit einer Genauigkeit von 2%RH und die Temperatur mit einer Genauigkeit von +\/-0,5\u00b0C messen. Ausgegeben werden die Werte auf dem OneWire Bus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ANMERKUNG<\/strong>: Vorg\u00e4ngerversion <span class=\"ub-content-link ub-content-link--unknown ub-content-link--status-after\"><a href=\"https:\/\/www.fambach.net\/feuchtigkeitsmesser-dht11\/\" data-type=\"post\" data-id=\"291\" class=\"ub-content-link__anchor\">DHT11<\/a><span class=\"ub-status ub-status--unknown\" title=\"Link status: Unknown\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: Unknown<\/span><\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"ansicht\"><span class=\"ez-toc-section\" id=\"Ansicht\"><\/span>Ansicht<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"1126\" height=\"600\" data-id=\"9787\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22BoardFront2.jpg\" alt=\"\" class=\"wp-image-9787\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22BoardFront2.jpg 1126w, https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22BoardFront2-300x160.jpg 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22BoardFront2-1024x546.jpg 1024w, https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22BoardFront2-768x409.jpg 768w, https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22BoardFront2-18x10.jpg 18w\" 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=\"wp-element-caption\">DHT22 Front<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"323\" data-id=\"9788\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22BoardBack2.jpg\" alt=\"\" class=\"wp-image-9788\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22BoardBack2.jpg 600w, https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22BoardBack2-300x162.jpg 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22BoardBack2-18x10.jpg 18w\" 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=\"wp-element-caption\">DHT22 R\u00fcckseite<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"fakten\"><span class=\"ez-toc-section\" id=\"Fakten\"><\/span>Fakten<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"wertebereich\"><span class=\"ez-toc-section\" id=\"Wertebereich\"><\/span>Wertebereich<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table id=\"wpls-table-1\"><thead><tr><th>Beschreibung<\/th><th>Werte<\/th><\/tr><\/thead><tbody><tr><td> Luftfeuchte [%]<\/td><td>20 \u2013 80<\/td><\/tr><tr><td> Temperatur [\u00b0C]<\/td><td> 0 \u2013 50<\/td><\/tr><tr><td>Spannungsversorgung [V]<\/td><td>3,3 \u2013 6<\/td><\/tr><tr><td>Signal<\/td><td>Single Wire<\/td><\/tr><tr><td>Aufl\u00f6sung [\u00b0C \/ %RH]<\/td><td>0,1 \/ 0,1<\/td><\/tr><tr><td>Abmessungen l\/b\/t [mm]<\/td><td>15 \/ 25 \/ 7,7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pinning\"><span class=\"ez-toc-section\" id=\"Pinning\"><\/span>Pinning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"288\" height=\"356\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22_PINOUT2.jpg\" alt=\"\" class=\"wp-image-9795\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22_PINOUT2.jpg 288w, https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22_PINOUT2-243x300.jpg 243w, https:\/\/www.fambach.net\/wp-content\/uploads\/DHT22_PINOUT2-10x12.jpg 10w\" 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=\"wp-element-caption\">Pinbelegung DHT22. <span class=\"ub-content-link ub-content-link--broken ub-content-link--status-after is-broken\"><a href=\"https:\/\/www.utmel.com\/components\/a-guide-for-dht22-also-named-as-am2302-humidity-and-temperature-sensor-dht22-vs-dht11?id=1974\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"ub-content-link__anchor\" title=\"This link appears to be broken.\">Quelle<\/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><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"programmierung\"><span class=\"ez-toc-section\" id=\"Programmierung\"><\/span>Programmierung<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"bibliothek\"><span class=\"ez-toc-section\" id=\"Bibliothek\"><\/span>Bibliothek<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Adafruit bietet hierzu eine Bibliothek. <\/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:\/\/github.com\/adafruit\/DHT-sensor-library\" class=\"ub-content-link__anchor\">https:\/\/github.com\/adafruit\/DHT-sensor-library<\/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<p class=\"wp-block-paragraph\">Die Bib. muss zuvor \u00fcber den Bibliothekar der Arduino GUI installiert werden. Zus\u00e4tzlich wird der generelle Treiber f\u00fcr Sensoren von Adafruit ben\u00f6tigt.<\/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:\/\/github.com\/adafruit\/Adafruit_Sensor\" class=\"ub-content-link__anchor\">https:\/\/github.com\/adafruit\/Adafruit_Sensor<\/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<p class=\"wp-block-paragraph\">Die Einbindung von Bibliotheken im generellen ist unter folgenden Link beschrieben, hier werde ich nicht mehr n\u00e4her darauf eingehen.<br><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/fambach.net\/arduino-ide#Bibliotheken\" class=\"ub-content-link__anchor\">https:\/\/fambach.net\/arduino-ide#Bibliotheken<\/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<h3 class=\"wp-block-heading\" id=\"programmierung-1\"><span class=\"ez-toc-section\" id=\"Programmierung-2\"><\/span>Programmierung<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bibliothek mit DHT.h einbinden. Im Konstruktor muss der Sensortyp (DHT22)\u00a0 und der verwendete Daten Pin angegeben werden:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">#define DHTPIN 2\n#define DHTTYPE DHT22 \n\nDHT dht(DHTPIN, DHTTYPE); \/\/ Konstruktor<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Die Abfrage geschieht mit:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">\/\/ lesen der Temperatur in \u00b0C \nreadTemperature(false);\n\n\/\/ Lesen der feuchtigkeit in % \nreadHumidity();<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"verwandte-beitraege\"><span class=\"ez-toc-section\" id=\"Verwandte_Beitrage\"><\/span>Verwandte Beitr\u00e4ge<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"display-posts-listing\"><div 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><\/div><div 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\/\">Temperatur- und Feuchtesensor 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><\/div><div 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\/esp-envy-azenvy\/\">ESP Envy (AZEnvy)<\/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><\/div><div 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-highgrow-pflanzenspiess\/\">ESP32 HiGrow V1.0 (Pflanzenspie\u00df)<\/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><\/div><div 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\/arduino-multi-sensor-platine\/\">Arduino Multifunktions- Sensorplatine<\/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><\/div><div 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\/arduino-multifunktions-zusatzplatine\/\">Arduino Multifunktions Zusatzplatine<\/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><\/div><div 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\/mqtt-protokoll-mit-kleinen-versuch\/\">MQTT Protokoll + Versuchsaufbau<\/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><\/div><div 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\/dht10-mit-esp8266\/\">DHT11 mit ESP8266 \/ ESP32<\/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><\/div><div 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\/ardunino-mit-dht10-2\/\">Arduino \u2013 DHT11 Feuchtigkeitsmesser<\/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><\/div><div 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\/\">Temperatur- und Feuchtesensor DHT11<\/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><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"probleme\"><span class=\"ez-toc-section\" id=\"Probleme\"><\/span>Probleme<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"fatal-error-dht-h\"><span class=\"ez-toc-section\" id=\"fatal_error_DHTh\"><\/span><em>fatal error: DHT.h\u00a0<\/em><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Code compiliert nicht. Evtl. wurden die DHT\u00a0 Bibliotheken nicht installiert.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Installiere die DHT lib von Adafruit:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"541\" height=\"220\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug1.png\" alt=\"\" class=\"wp-image-301\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug1.png 541w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug1-18x7.png 18w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug1-300x122.png 300w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"783\" height=\"237\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug2.png\" alt=\"\" class=\"wp-image-302\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug2.png 783w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug2-18x5.png 18w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug2-300x91.png 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug2-768x232.png 768w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"fatal-error-adafruit_sensor-h\"><span class=\"ez-toc-section\" id=\"fatal_error_Adafruit_Sensorh\"><\/span><em>fatal error: Adafruit_Sensor.h<\/em><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Installiere die Standardlib von Adafruit:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"772\" height=\"210\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug3.png\" alt=\"\" class=\"wp-image-303\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug3.png 772w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug3-18x5.png 18w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug3-300x82.png 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/02\/dht11bug3-768x209.png 768w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"sonstiges\"><span class=\"ez-toc-section\" id=\"Sonstiges\"><\/span>Sonstiges<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\/<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"quellen\"><span class=\"ez-toc-section\" id=\"Quellen\"><\/span>Quellen<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--ok ub-content-link--status-after\"><a href=\"https:\/\/www.adafruit.com\/product\/386\" class=\"ub-content-link__anchor\">https:\/\/www.adafruit.com\/product\/386<\/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<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/learn.adafruit.com\/dht\" class=\"ub-content-link__anchor\">https:\/\/learn.adafruit.com\/dht<\/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<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/funduino.de\/anleitung-dht11-dht22\" class=\"ub-content-link__anchor\">https:\/\/funduino.de\/anleitung-dht11-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><\/p>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/www.waveshare.com\/wiki\/DHT22_Temperature-Humidity_Sensor\n<\/div><\/figure>\n\n\n","protected":false},"excerpt":{"rendered":"<p>The DHT can measure humidity with an accuracy of 2%RH and temperature with an accuracy of +\/-0.5\u00b0C. The values are output on the OneWire bus.<\/p>\n<a href=\"https:\/\/www.fambach.net\/en\/feuchtigkeitsmesser-dht11\/\" class=\"read-more-link\">Carry on reading <span class=\"screen-reader-text\">\"Temperatur- und Feuchtesensor DHT11\"<\/span> <span class=\"meta-nav\">\u2192<\/span><\/a>","protected":false},"author":1,"featured_media":9792,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no","footnotes":""},"categories":[192,170],"tags":[29,735,451,33,19,5,60],"class_list":["post-9785","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hygrometer","category-temperatur","tag-arduino","tag-dht","tag-dht22","tag-esp","tag-hygrometer","tag-sensor","tag-temperatur","penguin-post","penguin-post-not-sticky"],"modified_by":"sfambach","_links":{"self":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/9785","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=9785"}],"version-history":[{"count":15,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/9785\/revisions"}],"predecessor-version":[{"id":17977,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/9785\/revisions\/17977"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media\/9792"}],"wp:attachment":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media?parent=9785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/categories?post=9785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/tags?post=9785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}