{"id":1091,"date":"2025-09-24T13:21:58","date_gmt":"2025-09-24T10:21:58","guid":{"rendered":"https:\/\/www.facadium.com.tr\/blog\/?p=1091"},"modified":"2025-09-25T12:18:02","modified_gmt":"2025-09-25T09:18:02","slug":"dht11-ve-dht22-sicaklik-ve-nem-sensoru","status":"publish","type":"post","link":"https:\/\/www.facadium.com.tr\/blog\/dht11-ve-dht22-sicaklik-ve-nem-sensoru\/","title":{"rendered":"DHT11 ve DHT22 S\u0131cakl\u0131k ve Nem Sens\u00f6r\u00fc"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"847\" height=\"366\" src=\"https:\/\/www.facadium.com.tr\/blog\/wp-content\/uploads\/2025\/09\/DHT11.png\" alt=\"\" class=\"wp-image-1092\" srcset=\"https:\/\/www.facadium.com.tr\/blog\/wp-content\/uploads\/2025\/09\/DHT11.png 847w, https:\/\/www.facadium.com.tr\/blog\/wp-content\/uploads\/2025\/09\/DHT11-300x130.png 300w, https:\/\/www.facadium.com.tr\/blog\/wp-content\/uploads\/2025\/09\/DHT11-768x332.png 768w\" sizes=\"auto, (max-width: 847px) 100vw, 847px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>\u0130\u00e7indekiler<\/h2><nav><ul><li class=\"\"><a href=\"#teknik-ozellikler\">Teknik \u00d6zellikler<\/a><ul><li class=\"\"><a href=\"#dht-11\">DHT11<\/a><\/li><li class=\"\"><a href=\"#dht-22-am-2302\">DHT22 (AM2302)<\/a><\/li><\/ul><\/li><li class=\"\"><a href=\"#pin-baglantilari-arduino-uno-icin\">Pin Ba\u011flant\u0131lar\u0131 (Arduino UNO i\u00e7in)<\/a><\/li><li class=\"\"><a href=\"#arduino-kod-ornegi\">DHT11\/DHT22 Arduino Kod \u00d6rne\u011fi<\/a><\/li><li class=\"\"><a href=\"#dht-11-dht-22-kullanim-alanlari\">DHT11\/DHT22 G\u00fcnl\u00fck Hayatta Kullan\u0131m Alanlar\u0131<\/a><\/li><li class=\"\"><a href=\"#dht-11-dht-22-sensorunun-ogrenilmesinin-onemi\">DHT11\/DHT22 Sens\u00f6r\u00fcn\u00fcn \u00d6\u011frenilmesinin \u00d6nemi<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>DHT11 ve DHT22 S\u0131cakl\u0131k ve Nem Sens\u00f6r\u00fc. DHT11 ve DHT22, ortam s\u0131cakl\u0131\u011f\u0131 ve nemini \u00f6l\u00e7mek i\u00e7in yayg\u0131n olarak kullan\u0131lan dijital sens\u00f6rlerdir. \u0130\u00e7erisindeki \u00f6zel \u00e7ip, analog verileri dijital sinyale d\u00f6n\u00fc\u015ft\u00fcrerek Arduino ve benzeri mikrodenetleyicilerle kolay entegrasyon sa\u011flar. D\u00fc\u015f\u00fck maliyetli, kullan\u0131m\u0131 kolay ve h\u0131zl\u0131 prototipleme i\u00e7in ideal olmalar\u0131n\u0131n yan\u0131 s\u0131ra, ak\u0131ll\u0131 ev sistemlerinden tar\u0131m otomasyonuna kadar bir\u00e7ok alanda tercih edilmektedir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"teknik-ozellikler\">Teknik \u00d6zellikler<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"dht-11\"><strong>DHT11<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nem \u00f6l\u00e7\u00fcm aral\u0131\u011f\u0131: %20 \u2013 %90<\/li>\n\n\n\n<li>Nem hassasiyeti: \u00b1%5<\/li>\n\n\n\n<li>S\u0131cakl\u0131k \u00f6l\u00e7\u00fcm aral\u0131\u011f\u0131: 0\u00b0C \u2013 50\u00b0C<\/li>\n\n\n\n<li>S\u0131cakl\u0131k hassasiyeti: \u00b12\u00b0C<\/li>\n\n\n\n<li>\u00c7al\u0131\u015fma voltaj\u0131: 3.5V \u2013 5.5V<\/li>\n\n\n\n<li>Fiyat: Ekonomik (~1-5 USD)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"dht-22-am-2302\"><strong>DHT22 (AM2302)<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nem \u00f6l\u00e7\u00fcm aral\u0131\u011f\u0131: %0 \u2013 %100<\/li>\n\n\n\n<li>Nem hassasiyeti: \u00b1%2<\/li>\n\n\n\n<li>S\u0131cakl\u0131k \u00f6l\u00e7\u00fcm aral\u0131\u011f\u0131: -40\u00b0C \u2013 80\u00b0C<\/li>\n\n\n\n<li>S\u0131cakl\u0131k hassasiyeti: \u00b10.5\u00b0C<\/li>\n\n\n\n<li>\u00c7al\u0131\u015fma voltaj\u0131: 3V \u2013 5.5V<\/li>\n\n\n\n<li>Fiyat: Orta seviye (~4-10 USD)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pin-baglantilari-arduino-uno-icin\">Pin Ba\u011flant\u0131lar\u0131 (Arduino UNO i\u00e7in)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pin 1 (VCC)<\/strong> \u2192 5V<\/li>\n\n\n\n<li><strong>Pin 2 (Data OUT)<\/strong> \u2192 Dijital Pin 2<\/li>\n\n\n\n<li><strong>Pin 3<\/strong> \u2192 Ba\u011flanmaz<\/li>\n\n\n\n<li><strong>Pin 4 (GND)<\/strong> \u2192 GND<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Not: Pin 1 (VCC) ile Pin 2 (Data) aras\u0131na <strong>10k\u03a9 diren\u00e7<\/strong> ba\u011flanmal\u0131d\u0131r.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"717\" src=\"https:\/\/www.facadium.com.tr\/blog\/wp-content\/uploads\/2025\/09\/dht11-dht22-1024x717.webp\" alt=\"\" class=\"wp-image-1125\" srcset=\"https:\/\/www.facadium.com.tr\/blog\/wp-content\/uploads\/2025\/09\/dht11-dht22-1024x717.webp 1024w, https:\/\/www.facadium.com.tr\/blog\/wp-content\/uploads\/2025\/09\/dht11-dht22-300x210.webp 300w, https:\/\/www.facadium.com.tr\/blog\/wp-content\/uploads\/2025\/09\/dht11-dht22-768x538.webp 768w, https:\/\/www.facadium.com.tr\/blog\/wp-content\/uploads\/2025\/09\/dht11-dht22-1536x1076.webp 1536w, https:\/\/www.facadium.com.tr\/blog\/wp-content\/uploads\/2025\/09\/dht11-dht22-2048x1434.webp 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"arduino-kod-ornegi\">DHT11\/DHT22 Arduino Kod \u00d6rne\u011fi<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>#include \"DHT.h\"\n\n#define DHTPIN 2        \/\/ Sens\u00f6r\u00fcn ba\u011fl\u0131 oldu\u011fu pin\n#define DHTTYPE DHT11   \/\/ DHT11 kullan\u0131yorsan\u0131z bu sat\u0131r aktif\n\/\/#define DHTTYPE DHT22 \/\/ DHT22 kullan\u0131yorsan\u0131z bu sat\u0131r\u0131 aktif edin\n\nDHT dht(DHTPIN, DHTTYPE);\n\nvoid setup() {\n  Serial.begin(9600);\n  Serial.println(\"DHT Sens\u00f6r Testi\");\n  dht.begin();\n}\n\nvoid loop() {\n  delay(2000); \/\/ Okumalar aras\u0131nda bekleme s\u00fcresi\n\n  float h = dht.readHumidity();      \/\/ Nem de\u011feri\n  float t = dht.readTemperature();   \/\/ S\u0131cakl\u0131k (Celsius)\n  float f = dht.readTemperature(true); \/\/ S\u0131cakl\u0131k (Fahrenheit)\n\n  \/\/ Okuma hatas\u0131 kontrol\u00fc\n  if (isnan(h) || isnan(t) || isnan(f)) {\n    Serial.println(\"Sens\u00f6rden veri okunamad\u0131!\");\n    return;\n  }\n\n  \/\/ Is\u0131 Endeksi hesaplama\n  float hic = dht.computeHeatIndex(t, h, false);\n\n  Serial.print(\"Nem: \");\n  Serial.print(h);\n  Serial.print(\" %\\t\");\n  Serial.print(\"S\u0131cakl\u0131k: \");\n  Serial.print(t);\n  Serial.print(\" *C \");\n  Serial.print(f);\n  Serial.print(\" *F\\t\");\n  Serial.print(\"Hissedilen Is\u0131: \");\n  Serial.print(hic);\n  Serial.println(\" *C\");\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"dht-11-dht-22-kullanim-alanlari\">DHT11\/DHT22 G\u00fcnl\u00fck Hayatta Kullan\u0131m Alanlar\u0131<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Ak\u0131ll\u0131 Ev Sistemleri<\/strong>\n<ul class=\"wp-block-list\">\n<li>Odalardaki s\u0131cakl\u0131k ve nemin \u00f6l\u00e7\u00fclerek klima veya nemlendirici cihazlar\u0131n otomatik kontrol edilmesi.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Tar\u0131m ve Serac\u0131l\u0131k<\/strong>\n<ul class=\"wp-block-list\">\n<li>Seralardaki iklim ko\u015fullar\u0131n\u0131n izlenmesi, sulama ve havaland\u0131rma sistemlerinin otomatik y\u00f6netimi.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Hava \u0130stasyonlar\u0131<\/strong>\n<ul class=\"wp-block-list\">\n<li>Ev tipi ya da k\u00fc\u00e7\u00fck \u00e7apl\u0131 meteoroloji istasyonlar\u0131nda s\u0131cakl\u0131k ve nem verilerinin kaydedilmesi.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Ak\u0131ll\u0131 Bah\u00e7e Sulama Sistemleri<\/strong>\n<ul class=\"wp-block-list\">\n<li>Bitkilerin bulundu\u011fu ortam\u0131n nemine g\u00f6re sulaman\u0131n otomatik olarak ba\u015flat\u0131lmas\u0131 veya durdurulmas\u0131.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>So\u011fuk Hava Depolar\u0131<\/strong>\n<ul class=\"wp-block-list\">\n<li>Depolarda muhafaza edilen g\u0131da \u00fcr\u00fcnlerinin uygun s\u0131cakl\u0131k ve nem ko\u015fullar\u0131nda tutulmas\u0131n\u0131n sa\u011flanmas\u0131.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u0130\u00e7 Mek\u00e2n Hava Kalitesi \u0130zleme<\/strong>\n<ul class=\"wp-block-list\">\n<li>Ev, okul veya ofislerde hava kalitesinin s\u0131cakl\u0131k ve nem parametreleriyle takip edilmesi.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Elektronik Ekipman Odalar\u0131<\/strong>\n<ul class=\"wp-block-list\">\n<li>Sunucu odalar\u0131nda s\u0131cakl\u0131k ve nemin \u00f6l\u00e7\u00fclerek cihazlar\u0131n korunmas\u0131 i\u00e7in so\u011futma sistemlerinin kontrol edilmesi.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Giyilebilir Cihazlar ve IoT Uygulamalar\u0131<\/strong>\n<ul class=\"wp-block-list\">\n<li>K\u00fc\u00e7\u00fck mod\u00fcllerle ta\u015f\u0131nabilir cihazlarda \u00e7evresel verilerin toplanmas\u0131.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Evcil Hayvan Ya\u015fam Alanlar\u0131<\/strong>\n<ul class=\"wp-block-list\">\n<li>Akvaryum, teraryum veya kafeslerde ortam s\u0131cakl\u0131\u011f\u0131 ve nemin kontrol alt\u0131nda tutulmas\u0131.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>E\u011fitim ve STEM Projeleri<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u00d6\u011frencilerin temel elektronik ve yaz\u0131l\u0131m \u00f6\u011frenmesi i\u00e7in s\u0131cakl\u0131k ve nem \u00f6l\u00e7\u00fcm projelerinde kullan\u0131lmas\u0131.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"dht-11-dht-22-sensorunun-ogrenilmesinin-onemi\">DHT11\/DHT22 Sens\u00f6r\u00fcn\u00fcn \u00d6\u011frenilmesinin \u00d6nemi<\/h3>\n\n\n\n<p>DHT11 ve DHT22 s\u0131cakl\u0131k ve nem sens\u00f6rleri, elektronik ve g\u00f6m\u00fcl\u00fc sistemler alan\u0131nda \u00f6\u011frenilmesi gereken temel bile\u015fenler aras\u0131nda yer almaktad\u0131r. Bu sens\u00f6rler; d\u00fc\u015f\u00fck maliyet, kolay eri\u015filebilirlik ve Arduino gibi mikrodenetleyicilerle basit entegrasyon imk\u00e2n\u0131 sunmalar\u0131 nedeniyle e\u011fitimden end\u00fcstriyel uygulamalara kadar geni\u015f bir kullan\u0131m alan\u0131na sahiptir.<\/p>\n\n\n\n<p>DHT sens\u00f6rlerinin \u00f6\u011frenilmesi, \u00f6zellikle <strong>\u00e7evresel veri toplama, iklimlendirme sistemleri, ak\u0131ll\u0131 tar\u0131m uygulamalar\u0131, IoT tabanl\u0131 projeler ve ak\u0131ll\u0131 ev otomasyonlar\u0131<\/strong> gibi g\u00fcn\u00fcm\u00fczde h\u0131zla geli\u015fen teknolojilerin anla\u015f\u0131lmas\u0131 a\u00e7\u0131s\u0131ndan kritik bir ad\u0131m olu\u015fturmaktad\u0131r. Bu sens\u00f6rler, analog sinyali dijital formata d\u00f6n\u00fc\u015ft\u00fcren entegre yap\u0131lar\u0131 sayesinde karma\u015f\u0131k sinyal i\u015fleme ihtiyac\u0131n\u0131 ortadan kald\u0131rarak, kullan\u0131c\u0131ya do\u011frudan dijital veri sa\u011flamaktad\u0131r.<\/p>\n\n\n\n<p>DHT11\/DHT22 sens\u00f6rlerini \u00f6\u011frenmek; m\u00fchendislik \u00f6\u011frencilerinin sens\u00f6r teknolojilerini kavramas\u0131n\u0131, yaz\u0131l\u0131m-g\u00f6m\u00fcl\u00fc donan\u0131m etkile\u015fimini anlamas\u0131n\u0131 ve ger\u00e7ek d\u00fcnya verilerini analiz edebilecek projeler geli\u015ftirmesini m\u00fcmk\u00fcn k\u0131lar. B\u00f6ylece, temel elektronik bilgiye sahip bir \u00f6\u011frenci veya profesyonel, bu sens\u00f6rler arac\u0131l\u0131\u011f\u0131yla <strong>IoT, veri bilimi, \u00e7evresel kontrol ve otomasyon sistemlerine<\/strong> kolayl\u0131kla ad\u0131m atabilmektedir.<\/p>\n\n\n\n<p>DHT11 ve DHT22 s\u0131cakl\u0131k ve nem sens\u00f6rleri, elektronik ve g\u00f6m\u00fcl\u00fc sistemler alan\u0131nda temel \u00f6\u011frenim konular\u0131ndan biridir. Bu sens\u00f6rler; d\u00fc\u015f\u00fck maliyet, kolay entegrasyon ve g\u00fcvenilir veri sa\u011flama \u00f6zellikleri sayesinde e\u011fitimden end\u00fcstriyel uygulamalara kadar geni\u015f bir kullan\u0131m alan\u0131 sunar. \u00d6\u011frenilmesi, \u00f6zellikle iklimlendirme, ak\u0131ll\u0131 tar\u0131m, IoT tabanl\u0131 sistemler ve ev otomasyonlar\u0131 gibi g\u00fcncel teknolojilerin kavranmas\u0131 i\u00e7in kritik \u00f6neme sahiptir. Sens\u00f6rlerin sa\u011flad\u0131\u011f\u0131 dijital veri \u00e7\u0131k\u0131\u015f\u0131, karma\u015f\u0131k sinyal i\u015fleme ihtiyac\u0131n\u0131 ortadan kald\u0131rarak uygulama geli\u015ftirmeyi kolayla\u015ft\u0131r\u0131r. Bu y\u00f6n\u00fcyle DHT sens\u00f6rleri, \u00f6\u011frenciler ve profesyoneller i\u00e7in modern teknolojilere giri\u015f kap\u0131s\u0131 niteli\u011findedir. \u00dcr\u00fcnlerinizi <a href=\"https:\/\/www.stemkits.com.tr\/\" target=\"_blank\" rel=\"noopener\">STEM Kits<\/a> (https:\/\/www.stemkits.com.tr\/) \u00fczerinden temin edebilirsiniz. E\u011fitimler i\u00e7in firmam\u0131zdan bilgi alabilirsiniz. E\u011fitimlerimize ve referanslar\u0131m\u0131za <a href=\"https:\/\/www.facadium.com.tr\/\">buradaki linkten<\/a> (<a href=\"https:\/\/www.facadium.com.tr\/\">https:\/\/www.facadium.com.tr\/<\/a>) ula\u015fabilirsiniz.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DHT11 ve DHT22 S\u0131cakl\u0131k ve Nem Sens\u00f6r\u00fc. DHT11 ve DHT22, ortam s\u0131cakl\u0131\u011f\u0131 ve nemini \u00f6l\u00e7mek i\u00e7in yayg\u0131n olarak kullan\u0131lan dijital sens\u00f6rlerdir. \u0130\u00e7erisindeki \u00f6zel \u00e7ip, analog [&#8230;]<\/p>\n","protected":false},"author":3,"featured_media":1100,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[12,138,13,15,82],"class_list":["post-1091","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arduino-ile-robotik-kodlama","tag-arduino","tag-arduino-sensor","tag-dht11","tag-robotik-kodlama","tag-sicaklik-ve-nem-sensorleri"],"_links":{"self":[{"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1091","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=1091"}],"version-history":[{"count":6,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1091\/revisions"}],"predecessor-version":[{"id":1126,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1091\/revisions\/1126"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/media\/1100"}],"wp:attachment":[{"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=1091"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=1091"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=1091"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}