https:\/\/github.com\/adafruit\/DHT-sensor-library<\/a><\/p>\nJunkHack 2015.06.14\n*\/<\/p>\n
include "DHT.h"<\/h1>\ndefine DHTPIN 2 \/\/ what pin we're connected to<\/h1>\n
\/\/ Uncomment whatever type you're using!\n\/\/#define DHTTYPE DHT11 \/\/ DHT 11 <\/p>\n
define DHTTYPE DHT22 \/\/ DHT 22 (AM2302)<\/h1>\n
\/\/#define DHTTYPE DHT21 \/\/ DHT 21 (AM2301)<\/p>\n
\/\/ Initialize DHT sensor for normal 16mhz Arduino\nDHT dht(DHTPIN, DHTTYPE);<\/p>\n
void setup() {\nSerial.begin(9600);\nSerial.println("DHT22 AM2302 test!");<\/p>\n
dht.begin();\n}<\/p>\n
void loop() {\n\/\/ Wait a few seconds between measurements.\ndelay(2000);<\/p>\n
\/\/ Reading temperature or humidity takes about 250 milliseconds!\n\/\/ Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)\nfloat h = dht.readHumidity();\n\/\/ Read temperature as Celsius\nfloat t = dht.readTemperature();\n\/\/ Read temperature as Fahrenheit\nfloat f = dht.readTemperature(true);<\/p>\n
\/\/ Check if any reads failed and exit early (to try again).\nif (isnan(h) || isnan(t) || isnan(f)) {\nSerial.println("Failed to read from DHT sensor!");\nreturn;\n}<\/p>\n
\/\/ Compute heat index\n\/\/ Must send in temp in Fahrenheit!\nfloat hi = dht.computeHeatIndex(f, h);<\/p>\n
Serial.print("Humidity: ");\nSerial.print(h);\nSerial.print(" %\\t");\nSerial.print("Temperature: ");\nSerial.print(t);\nSerial.println(" *C ");\n}<\/pre>\n<\/p>\n
\u6885\u96e8\u6642\u306a\u306e\u3067\u3001\u6e7f\u5ea6\u304c\u9ad8\u3044\u304b\u3057\u3089\u306d\u3002\u6e29\u5ea6\u306f\u3001\u5e38\u590f\u306e\u6c17\u6e29\u3067\u3059\u304c\u3002\u6691\u3059\u304e\u306a\u3044\uff1f<\/p>\n
\u307e\u3041\u3001\u3053\u3093\u306a\u611f\u3058\u3067\u6e7f\u5ea6\u3068\u3001\u6e29\u5ea6\u304c\u3068\u3089\u308c\u3066\u3044\u307e\u3059\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6e29\u5ea6\u3068\u6e7f\u5ea6\u306e\u30bb\u30f3\u30b5\u30fc\u304c\u5408\u4f53\u3057\u305f\u306e\u3067\u3001\u5358\u7dda\u3067\u4f7f\u3048\u308b\u3082\u306e\u3092\u63a2\u3057\u3066\u3044\u305f\u3089\u3001DHT\u30b7\u30ea\u30fc\u30ba\u3068\u3044\u3046\u306e\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u3053\u308c\u3092\u30c6\u30b9\u30c8\u3002 \u30e1\u30fc\u30ab\u30fc\u306f\u3001Aosong Guangzhou Electronics Co., Ltd.\u3067\u3001\u4e2d\u56fd\u306e\u5e83 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[6,9,63],"tags":[],"class_list":["post-729","post","type-post","status-publish","format-standard","hentry","category-aliexpress","category-arduino","category-parts"],"acf":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"post-thumbnail":false},"uagb_author_info":{"display_name":"JunkHack","author_link":"https:\/\/hack.gpl.jp\/author\/junkhack\/"},"uagb_comment_info":1,"uagb_excerpt":"\u6e29\u5ea6\u3068\u6e7f\u5ea6\u306e\u30bb\u30f3\u30b5\u30fc\u304c\u5408\u4f53\u3057\u305f\u306e\u3067\u3001\u5358\u7dda\u3067\u4f7f\u3048\u308b\u3082\u306e\u3092\u63a2\u3057\u3066\u3044\u305f\u3089\u3001DHT\u30b7\u30ea\u30fc\u30ba\u3068\u3044\u3046\u306e\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u3053\u308c\u3092…","_links":{"self":[{"href":"https:\/\/hack.gpl.jp\/wp-json\/wp\/v2\/posts\/729"}],"collection":[{"href":"https:\/\/hack.gpl.jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hack.gpl.jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hack.gpl.jp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hack.gpl.jp\/wp-json\/wp\/v2\/comments?post=729"}],"version-history":[{"count":0,"href":"https:\/\/hack.gpl.jp\/wp-json\/wp\/v2\/posts\/729\/revisions"}],"wp:attachment":[{"href":"https:\/\/hack.gpl.jp\/wp-json\/wp\/v2\/media?parent=729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hack.gpl.jp\/wp-json\/wp\/v2\/categories?post=729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hack.gpl.jp\/wp-json\/wp\/v2\/tags?post=729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"DHT22_AM2302_fzz\"](\"http:\/\/hack.gpl.jp\/wp-content\/uploads\/2015\/06\/dht22_am2302_fzz.png\" "\\"DHT22_AM2302_fzz\\"")
<\/p>\n![\"AM2302\"](\"http:\/\/hack.gpl.jp\/wp-content\/uploads\/2015\/06\/am2302.jpg\" "\\"AM2302\\"")
<\/p>\n![\"datasheets_Sensors_Temperature_DHT22_pdf\"](\"http:\/\/hack.gpl.jp\/wp-content\/uploads\/2015\/06\/datasheets_sensors_temperature_dht22_pdf.png\" "\\"datasheets_Sensors_Temperature_DHT22_pdf\\"")
<\/p>\n