{"id":300,"date":"2021-02-15T20:25:00","date_gmt":"2021-02-15T11:25:00","guid":{"rendered":"https:\/\/sakae-shokai.com\/?p=300"},"modified":"2021-02-19T20:57:41","modified_gmt":"2021-02-19T11:57:41","slug":"%e6%b8%a9%e6%b9%bf%e5%ba%a6%e8%a8%88dht11%e3%82%92%e7%94%a8%e3%81%84%e3%81%9f%e6%b8%a9%e6%b9%bf%e5%ba%a6%e6%b8%ac%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/sakae-shokai.com\/wordpress\/?p=300","title":{"rendered":"\u6e29\u6e7f\u5ea6\u8a08DHT11\u3092\u7528\u3044\u305f\u6e29\u6e7f\u5ea6\u6e2c\u5b9a"},"content":{"rendered":"\n

\u4eca\u56de\u306fESP32\u3092\u7528\u3044\u3001\u4e00\u756a\u7c21\u5358\u306a\u30bb\u30f3\u30b5\u30fc\u306b\u3088\u308b\u6e29\u6e7f\u5ea6\u306e\u6e2c\u5b9a\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

ESP32\u306fMicropython\u306b\u3066\u7c21\u5358\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u3001IoT\u306b\u306f\u6700\u9069\u306a\u30c7\u30d0\u30a4\u30b9\u3067\u3059\u3002\u4eca\u56de\u306f\u3053\u308c\u306bDHT11\u3068\u3044\u3046\u6e29\u6e7f\u5ea6\u30bb\u30f3\u30b5\u3092\u63a5\u7d9a\u3057\u3001\u6e29\u5ea6\u3068\u6e7f\u5ea6\u3092\u6e2c\u5b9a\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u307e\u305a\u306f\u30d6\u30ec\u30c3\u30c9\u30dc\u30fc\u30c9\u3092\u7528\u3044\u3066ESP32\u3068DHT11\u3092\u63a5\u7d9a\u3057\u307e\u3059\uff08\u5199\u771f\u306e\u9752\u8272\u306e\u30bb\u30f3\u30b5\u3067\u3059\u3002\u5de6\u578b\u306e\u30bb\u30f3\u30b5\u306f\u5225\u9014\u7d39\u4ecb\u3057\u307e\u3059\uff09\u3002<\/p>\n\n\n\n

\u5199\u771f\u306e\u3068\u304a\u308a\u5de6\u304b\u3089VCC\uff083.3V\u3082\u3057\u304f\u306f5V\u306b\u63a5\u7d9a\uff09\u3001\u4fe1\u53f7\u7dda(\u4eca\u56de\u306f\u30d4\u30f3\uff14\u306b\u63a5\u7d9a)\u3001\u4e00\u500b\u98db\u3070\u3057\u3066\u4e00\u756a\u53f3\u306e\u30d4\u30f3\u306f\u30a2\u30fc\u30b9(GND)\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u4fe1\u53f7\u7dda\u306f\uff12\u30d4\u30f3\u3068\u30ef\u30f3\u30ef\u30a4\u30e4\u30fc\u306e\u30bb\u30f3\u30b5\u30fc\u3068\u306a\u308a\u307e\u3059\u3002\u53c2\u8003\u8cc7\u6599\u306f\u3053\u3061\u3089\u3067\u3059\u3002https:\/\/akizukidenshi.com\/download\/ds\/aosong\/DHT11_20180119.pdf<\/a><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

ESP32\u3067\u306fDHT \u30c9\u30e9\u30a4\u30d0\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u5b9f\u88c5\u3055\u308c\u3001\u3059\u3079\u3066\u306e\u30d4\u30f3\u3067\u52d5\u4f5c\u3059\u308b\u3068\u306e\u3053\u3068\u3067\u3001Micropython\u306e\u516c\u5f0f\u30db\u30fc\u30e0\u30da\u30fc\u30b8https:\/\/micropython-docs-ja.readthedocs.io\/ja\/latest\/esp32\/quickref.html#dht-driver<\/a>\u306b\u66f8\u3044\u3066\u3042\u308b\u4f8b\u3092\u7528\u3044\u3066\u3001\u52d5\u304b\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n

>>> import dht\n>>> import machine\n>>>\n>>> d = dht.DHT11(machine.Pin(4))\n>>> d.measure()\nTraceback (most recent call last):\n  File \"<stdin>\", line 1, in <module>\n  File \"dht.py\", line 17, in measure\nOSError: [Errno 110] ETIMEDOUT<\/code><\/pre>\n\n\n\n
\u3044\u304d\u306a\u308a\u30a8\u30e9\u30fc\u3067\u3059\u3002DHT11\u306e\u4e0a\u8a18\u30ea\u30f3\u30af\u306b\u306e\u305b\u305f\u30d7\u30ed\u30c0\u30af\u30c8\u30b5\u30fc\u30d3\u30b9\u3092\u3088\u304f\u8aad\u3080\u3068I\/O\u306f\u96fb\u6e90\u3068\u30d7\u30eb\u30a2\u30c3\u30d7\u3057\u305f\u56de\u8def\u306b\u3057\u306a\u3055\u3044\u3068\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u30d7\u30eb\u30a2\u30c3\u30d7\u7528\u306e\u62b5\u6297\u306f\u6301\u3063\u3066\u3044\u307e\u3059\u304c\u3001ESP32\u306eGPIO\u306b\u306f\u30d7\u30eb\u30a2\u30c3\u30d7\u3082\u30bd\u30d5\u30c8\u7684\u306b\u4f7f\u3048\u307e\u3059\u306e\u3067\u3001\u305d\u3061\u3089\u3067\u5bfe\u5fdc\u3067\u3059\u3002<\/p>\n\n\n\n
>>> import dht\n>>> import machine\n>>> from machine import Pin\u3000\u3000\u3000#class\u3000Pin\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\n>>>\n>>> p4 = Pin(4, Pin.IN, Pin.PULL_UP)\u3000\u3000#4\u756a\u30d4\u30f3\u3092\u30d7\u30eb\u30a2\u30c3\u30d7\n>>> d = dht.DHT11(machine.Pin(4))\n>>> d.measure()\n>>> print(d.temperature(),'C')\n20 C\n>>> print(d.humidity(),'%rh')\n44 %rh<\/code><\/pre>\n\n\n\n
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\u5f8c\u65e5\u3001\u7cbe\u5ea6\u9ad8\u3044\u6e29\u5ea6\u8a08\u3067\u306e\u6e2c\u5b9a\u3092\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4eca\u56de\u306fESP32\u3092\u7528\u3044\u3001\u4e00\u756a\u7c21\u5358\u306a\u30bb\u30f3\u30b5\u30fc\u306b\u3088\u308b\u6e29\u6e7f\u5ea6\u306e\u6e2c\u5b9a\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002 ESP32\u306fMicropython\u306b\u3066\u7c21\u5358\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u3001IoT\u306b\u306f\u6700\u9069\u306a\u30c7\u30d0\u30a4\u30b9\u3067\u3059\u3002\u4eca\u56de\u306f\u3053\u308c\u306bDHT11\u3068\u3044\u3046\u6e29\u6e7f\u5ea6\u30bb … <\/p>\n
“\u6e29\u6e7f\u5ea6\u8a08DHT11\u3092\u7528\u3044\u305f\u6e29\u6e7f\u5ea6\u6e2c\u5b9a” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":234,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,16,15,1],"tags":[30,18,19],"class_list":["post-300","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-esp32","category-micropython","category-15","category-uncategorized","tag-dht11","tag-esp32","tag-micropython"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/sakae-shokai.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/300","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sakae-shokai.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sakae-shokai.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sakae-shokai.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sakae-shokai.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=300"}],"version-history":[{"count":3,"href":"https:\/\/sakae-shokai.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/300\/revisions"}],"predecessor-version":[{"id":304,"href":"https:\/\/sakae-shokai.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/300\/revisions\/304"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sakae-shokai.com\/wordpress\/index.php?rest_route=\/wp\/v2\/media\/234"}],"wp:attachment":[{"href":"https:\/\/sakae-shokai.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sakae-shokai.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sakae-shokai.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}