{"id":1299,"date":"2024-01-27T20:12:09","date_gmt":"2024-01-27T12:12:09","guid":{"rendered":"http:\/\/www.forillusion.com\/?p=1299"},"modified":"2025-02-14T11:39:10","modified_gmt":"2025-02-14T03:39:10","slug":"dht11-humidity-temperature-sensor","status":"publish","type":"post","link":"https:\/\/www.forillusion.com\/index.php\/dht11-humidity-temperature-sensor\/","title":{"rendered":"DHT11\u6e7f\u6e29\u5ea6\u4f20\u611f\u5668"},"content":{"rendered":"\n<p><div class=\"has-toc have-toc\"><\/div><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u63a5\u7ebf<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\"   class=\"lazyload\" data-src=\"https:\/\/cos.forillusion.top\/wp-content\/uploads\/2024\/01\/image.png\" src=\"https:\/\/cdn.forillusion.com\/moezx\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\" class=\"wp-image-1300\" width=\"170\" height=\"288\" srcset=\"https:\/\/cos.forillusion.top\/wp-content\/uploads\/2024\/01\/image.png 342w, https:\/\/cos.forillusion.top\/wp-content\/uploads\/2024\/01\/image-177x300.png 177w\" sizes=\"auto, (max-width: 170px) 100vw, 170px\" \/><\/figure >\n<noscript><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cos.forillusion.top\/wp-content\/uploads\/2024\/01\/image.png\" alt=\"\" class=\"wp-image-1300\" width=\"170\" height=\"288\" srcset=\"https:\/\/cos.forillusion.top\/wp-content\/uploads\/2024\/01\/image.png 342w, https:\/\/cos.forillusion.top\/wp-content\/uploads\/2024\/01\/image-177x300.png 177w\" sizes=\"auto, (max-width: 170px) 100vw, 170px\" \/><\/figure><\/noscript>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u6570<\/h2>\n\n\n\n<p>VCC\uff1a3-5.5V<\/p>\n\n\n\n<p>DATA\uff1a\u91c7\u7528\u5355\u603b\u7ebf\u534f\u8bae<\/p>\n\n\n\n<p>\u6e29\u5ea6\u6d4b\u91cf\u8303\u56f4\uff1a0-50\u2103   \u8bef\u5dee\u00b12\u2103<\/p>\n\n\n\n<p>\u6e7f\u5ea6\u6d4b\u91cf\u8303\u56f4\uff1a20%-90%RH  \u8bef\u5dee5%RH<\/p>\n\n\n\n<p>\u5728\u83b7\u53d6\u6570\u636e\u65f6\uff0c\u8fd4\u56de\u7684\u662f\u4e0a\u4e00\u6b21\u6d4b\u91cf\u7684\u6570\u636e\uff0c\u7136\u540e\u518d\u8fdb\u884c\u6d4b\u91cf\u5e76\u5b58\u50a8\u6570\u636e\uff0c\u6240\u4ee5\u83b7\u53d6\u6570\u636e\u95f4\u9694\u957f\u65f6\u9700\u8981\u8fde\u7eed\u83b7\u53d6\u4e24\u6b21\u6570\u636e\u624d\u80fd\u5f97\u5230\u5b9e\u65f6\u6570\u636e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7a0b\u5e8f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e93<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"751\" height=\"109\"   class=\"lazyload\" data-src=\"https:\/\/cos.forillusion.top\/wp-content\/uploads\/2024\/01\/image-1.png\" src=\"https:\/\/cdn.forillusion.com\/moezx\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\" class=\"wp-image-1301\" srcset=\"https:\/\/cos.forillusion.top\/wp-content\/uploads\/2024\/01\/image-1.png 751w, https:\/\/cos.forillusion.top\/wp-content\/uploads\/2024\/01\/image-1-300x44.png 300w\" sizes=\"auto, (max-width: 751px) 100vw, 751px\" \/><\/figure >\n<noscript><img loading=\"lazy\" decoding=\"async\" width=\"751\" height=\"109\" src=\"https:\/\/cos.forillusion.top\/wp-content\/uploads\/2024\/01\/image-1.png\" alt=\"\" class=\"wp-image-1301\" srcset=\"https:\/\/cos.forillusion.top\/wp-content\/uploads\/2024\/01\/image-1.png 751w, https:\/\/cos.forillusion.top\/wp-content\/uploads\/2024\/01\/image-1-300x44.png 300w\" sizes=\"auto, (max-width: 751px) 100vw, 751px\" \/><\/figure><\/noscript>\n\n\n\n<h3 class=\"wp-block-heading\">\u51fd\u6570<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;DHT.h>\n   \/\/\u5934\u6587\u4ef6\n\n#define DHTPIN 2         \/\/ \u8bbe\u7f6eDHT11\u8fde\u63a5\u7684\u5f15\u811a\n#define DHTTYPE DHT11    \/\/ \u8bbe\u7f6e\u4f7f\u7528\u7684\u4f20\u611f\u5668\u7c7b\u578b\nDHT dht(DHTPIN, DHTTYPE);  \/\/ \u521b\u5efaDHT\u5bf9\u8c61\n\ndht.begin();           \/\/ \u521d\u59cb\u5316DHT\u4f20\u611f\u5668\n\nfloat humidity = dht.readHumidity();   \/\/ \u8bfb\u53d6\u6e7f\u5ea6\u6570\u636e\nfloat temperature = dht.readTemperature();   \/\/ \u8bfb\u53d6\u6e29\u5ea6\u6570\u636e\n\nif (isnan(humidity) || isnan(temperature))  \/\/ \u68c0\u67e5\u8bfb\u53d6\u662f\u5426\u6210\u529f\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u793a\u4f8b<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;DHT.h>\r\n\r\n#define DHTPIN 2         \/\/ \u8bbe\u7f6eDHT11\u8fde\u63a5\u7684\u5f15\u811a\r\n#define DHTTYPE DHT11    \/\/ \u8bbe\u7f6e\u4f7f\u7528\u7684\u4f20\u611f\u5668\u7c7b\u578b\r\n\r\nDHT dht(DHTPIN, DHTTYPE);  \/\/ \u521b\u5efaDHT\u5bf9\u8c61\r\n\r\nvoid setup() {\r\n  Serial.begin(9600);    \/\/ \u521d\u59cb\u5316\u4e32\u53e3\u901a\u4fe1\r\n  dht.begin();           \/\/ \u521d\u59cb\u5316DHT\u4f20\u611f\u5668\r\n}\r\n\r\nvoid loop() {\r\n  \/\/ \u8bfb\u53d6\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u7684\u6570\u636e\r\n  float humidity = dht.readHumidity();\r\n  float temperature = dht.readTemperature();\r\n\r\n  \/\/ \u68c0\u67e5\u8bfb\u53d6\u662f\u5426\u6210\u529f\r\n  if (isnan(humidity) || isnan(temperature)) {\r\n    Serial.println(\"\u65e0\u6cd5\u4eceDHT\u4f20\u611f\u5668\u8bfb\u53d6\u6570\u636e\uff01\");\r\n    return;\r\n  }\r\n\r\n  \/\/ \u6253\u5370\u6e29\u6e7f\u5ea6\u6570\u636e\r\n  Serial.print(\"\u6e7f\u5ea6: \");\r\n  Serial.print(humidity);\r\n  Serial.print(\"%\\t\");\r\n  Serial.print(\"\u6e29\u5ea6: \");\r\n  Serial.print(temperature);\r\n  Serial.println(\"\u00b0C\");\r\n\r\n  delay(2000);  \/\/ \u5ef6\u8fdf2\u79d2\u540e\u518d\u6b21\u8bfb\u53d6\u6570\u636e\r\n}\r<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u63a5\u7ebf \u53c2\u6570 VCC\uff1a3-5.5V DATA\uff1a\u91c7\u7528\u5355\u603b\u7ebf\u534f\u8bae \u6e29\u5ea6\u6d4b\u91cf\u8303\u56f4\uff1a0-50\u2103 \u8bef\u5dee\u00b12\u2103 \u6e7f\u5ea6\u6d4b\u91cf\u8303\u56f4\uff1a20%-90%RH &#8230;<\/p>","protected":false},"author":1,"featured_media":1303,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,3],"tags":[37,26,12,22],"class_list":["post-1299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-38","category-3","tag-37","tag-26","tag-12","tag-22"],"_links":{"self":[{"href":"https:\/\/www.forillusion.com\/index.php\/wp-json\/wp\/v2\/posts\/1299","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.forillusion.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.forillusion.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.forillusion.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.forillusion.com\/index.php\/wp-json\/wp\/v2\/comments?post=1299"}],"version-history":[{"count":1,"href":"https:\/\/www.forillusion.com\/index.php\/wp-json\/wp\/v2\/posts\/1299\/revisions"}],"predecessor-version":[{"id":1740,"href":"https:\/\/www.forillusion.com\/index.php\/wp-json\/wp\/v2\/posts\/1299\/revisions\/1740"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.forillusion.com\/index.php\/wp-json\/wp\/v2\/media\/1303"}],"wp:attachment":[{"href":"https:\/\/www.forillusion.com\/index.php\/wp-json\/wp\/v2\/media?parent=1299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.forillusion.com\/index.php\/wp-json\/wp\/v2\/categories?post=1299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.forillusion.com\/index.php\/wp-json\/wp\/v2\/tags?post=1299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}