\u307e\u305a\u30d7\u30ed\u30b0\u30e9\u30e0\u5168\u4f53\u3092\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001\u521d\u671f\u30c1\u30a7\u30c3\u30af\u2192\u6e2c\u5b9a\u958b\u59cb\u2192\u30c7\u30fc\u30bf\u8aad\u307f\u53d6\u308a\u2192\u30c7\u30fc\u30bf\u683c\u7d0d\u2192\u6e29\u5ea6\u30fb\u6e7f\u5ea6\u306b\u5909\u63db\u3068\u3044\u3063\u305f\u6d41\u308c\u3067\u3059\u3002<\/p>\n\n\n\n
import smbus\nimport time\n\ni2c = smbus.SMBus(1)\naddress = 0x38\n\ntrigger = [0xAC, 0x33, 0x00]\n\ndat = [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]\n\n#\u521d\u671f\u30c1\u30a7\u30c3\u30af\ntime.sleep(0.1)\nret = i2c.read_byte_data(address, 0x71)\n\nif ret != 0x18:\n    exit\n\ntry:\n    while True:\n        #\u6e2c\u5b9a\u958b\u59cb\n        time.sleep(0.01)\n        i2c.write_i2c_block_data(address, 0x00, trigger)\n        \n        #\u30c7\u30fc\u30bf\u8aad\u307f\u53d6\u308a\n        time.sleep(0.08)\n        dat = i2c.read_i2c_block_data(address, 0x00, 7)\n        \n        #\u30c7\u30fc\u30bf\u683c\u7d0d\n        hum = dat[1] << 12 | dat[2] << 4 | ((dat[3] & 0xF0) >> 4)\n        tmp = ((dat[3] & 0x0F) << 16) | dat[4] << 8 | dat[5]\n      \n        #\u6e7f\u5ea6\u5909\u63db  \n        hum = hum \/ 2**20 * 100\n        #\u6e29\u5ea6\u5909\u63db\n        tmp = tmp \/ 2**20 * 200 - 50\n        \n        print("Humidity: " + str(hum) + "%")\n        print("Temperature: " + str(tmp) + "V")\n        \n        time.sleep(2) \n\nexcept KeyboardInterrupt:\n    pass<\/code><\/pre><\/div>\n\n\n\n\u305d\u308c\u305e\u308c\u306e\u51e6\u7406\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n
\u521d\u671f\u30c1\u30a7\u30c3\u30af<\/h3>\n\n\n\ntime.sleep(0.1)\nret = i2c.read_byte_data(address, 0x71)\n\nif ret != 0x18:\n    exit<\/code><\/pre><\/div>\n\n\n\nDHT20\u306b\u96fb\u529b\u4f9b\u7d66\u3057\u3066\u304b\u30890.1\u79d2\u5f8c\u3001DH20\u306b\u300c0x71\u300d\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
DHT20\u304b\u3089\u300c0x18\u300d\u304c\u8fd4\u4fe1\u3055\u308c\u305f\u3089\u521d\u671f\u30c1\u30a7\u30c3\u30af\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n\n\n\n
\u3082\u3057DHT20\u304b\u3089\u300c0x18\u300d\u304c\u8fd4\u3063\u3066\u3053\u306a\u304b\u3063\u305f\u3089\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7d42\u4e86\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u6e2c\u5b9a\u958b\u59cb<\/h3>\n\n\n\ntrigger = [0xAC, 0x33, 0x00]\n\ntime.sleep(0.01)\ni2c.write_i2c_block_data(address, 0x00, trigger)<\/code><\/pre><\/div>\n\n\n\n10ms\u5f85\u3063\u3066\u304b\u3089\u300c0xAC\u300d\u3092\u9001\u4fe1\u3057\u3001\u6e29\u5ea6\u30fb\u6e7f\u5ea6\u306e\u6e2c\u5b9a\u3092\u958b\u59cb\u3057\u307e\u3059\u3002\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306f2\u30d0\u30a4\u30c8\u3067\u30011\u30d0\u30a4\u30c8\u76ee\u306f\u300c0x33\u300d\u30012\u30d0\u30a4\u30c8\u76ee\u306f\u300c0x00\u300d\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u6e29\u5ea6\u3001\u6e7f\u5ea6\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u53d6\u308a<\/h3>\n\n\n\ntime.sleep(0.08)\ndat = i2c.read_i2c_block_data(address, 0x00, 7)<\/code><\/pre><\/div>\n\n\n\n80ms\u5f85\u3061\u3001\u6e29\u5ea6\u30fb\u6e7f\u5ea6\u6e2c\u5b9a\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u53d6\u308a\u307e\u3059\u3002\u8aad\u307f\u53d6\u308a\u30c7\u30fc\u30bf\u306f7\u30d0\u30a4\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n
\u6e7f\u5ea6\u30c7\u30fc\u30bf\u306e\u683c\u7d0d<\/h3>\n\n\n\nhum = dat[1] << 12 | dat[2] << 4 | ((dat[3] & 0xF0) >> 4)<\/code><\/pre><\/div>\n\n\n\n\u6e7f\u5ea6\u30c7\u30fc\u30bf\u306f2\u30d0\u30a4\u30c8\u76ee\u30013\u30d0\u30a4\u30c8\u76ee\u30014\u30d0\u30a4\u30c8\u76ee\u306e\u4e0a\u4f4d4\u30d3\u30c3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n
\u3088\u3063\u30662\u30d0\u30a4\u30c8\u76ee\u306e\u30c7\u30fc\u30bf\u309212\u30d3\u30c3\u30c8\u5206\u5de6\u3078\u30b7\u30d5\u30c8\u30013\u30d0\u30a4\u30c8\u76ee\u306e\u30c7\u30fc\u30bf\u30924\u30d3\u30c3\u30c8\u5206\u5de6\u3078\u30b7\u30d5\u30c8\u30014\u30d0\u30a4\u30c8\u76ee\u306e\u4e0a\u4f4d4\u30d3\u30c3\u30c8\u30924\u30d3\u30c3\u30c8\u5206\u53f3\u3078\u30b7\u30d5\u30c8\u3057\u8ad6\u7406\u548c(OR)\u6f14\u7b97\u3059\u308b\u3053\u3068\u3067\u6e7f\u5ea6\u30c7\u30fc\u30bf\u3092\u7e4b\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
<\/figure>\n\n\n\n\u6e29\u5ea6\u30c7\u30fc\u30bf\u306e\u683c\u7d0d<\/h3>\n\n\n\ntmp = ((dat[3] & 0x0F) << 16) | dat[4] << 8 | dat[5]<\/code><\/pre><\/div>\n\n\n\n\u6e29\u5ea6\u30c7\u30fc\u30bf\u306f4\u30d0\u30a4\u30c8\u76ee\u306e\u4e0b\u4f4d4\u30d3\u30c3\u30c8\u30015\u30d0\u30a4\u30c8\u76ee\u30016\u30d0\u30a4\u30c8\u76ee\u3067\u3059\u3002<\/p>\n\n\n\n
\u6e7f\u5ea6\u30c7\u30fc\u30bf\u540c\u69d8\u30014\u30d0\u30a4\u30c8\u76ee\u306e\u4e0b\u4f4d4\u30d3\u30c3\u30c8\u309216\u30d3\u30c3\u30c8\u5206\u5de6\u3078\u30b7\u30d5\u30c8\u30015\u30d0\u30a4\u30c8\u76ee\u306e\u30c7\u30fc\u30bf\u30928\u30d3\u30c3\u30c8\u5206\u5de6\u3078\u30b7\u30d5\u30c8\u30016\u30d0\u30a4\u30c8\u76ee\u3092\u8ad6\u7406\u548c(OR)\u6f14\u7b97\u3059\u308b\u3053\u3068\u3067\u6e29\u5ea6\u30c7\u30fc\u30bf\u3092\u7e4b\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
<\/figure>\n\n\n\n\u6e7f\u5ea6\u30fb\u6e29\u5ea6\u5909\u63db<\/h3>\n\n\n\nhum = hum \/ 2**20 * 100\ntmp = tmp \/ 2**20 * 200 - 50<\/code><\/pre><\/div>\n\n\n\n\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u901a\u308a\u6e7f\u5ea6\u30fb\u6e29\u5ea6\u3092\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u5b9f\u969b\u306b\u6c17\u6e29\u30fb\u6e7f\u5ea6\u3092\u8a08\u6e2c\u3057\u3066\u307f\u3088\u3046<\/h2>\n\n\n\n\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u30682\u79d2\u7f6e\u304d\u306b\u6e7f\u5ea6\u3068\u6e29\u5ea6\u304c\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
<\/figure>\n\n\n\n\u307e\u3068\u3081<\/h2>\n\n\n\nRaspberry Pi\u3068\u6e29\u6e7f\u5ea6\u30bb\u30f3\u30b5DHT20\u3092\u4f7f\u3063\u305f\u6c17\u6e29\u30fb\u6e7f\u5ea6\u8a08\u306e\u4f5c\u308a\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u6c17\u6e29\u30fb\u6e7f\u5ea6\u3092\u8a08\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3053\u3068\u3067\u3001\u5bb6\u5ead\u83dc\u5712\u306a\u3069\u3067\u6bce\u65e5\u306e\u6c17\u6e29\u30fb\u6e7f\u5ea6\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u51fa\u6765\u3001\u4fbf\u5229\u3067\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u6700\u5f8c\u307e\u3067\u304a\u8aad\u307f\u9802\u304d\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n\n    <\/iframe>\n","protected":false},"excerpt":{"rendered":"<p>\u5bb6\u5ead\u83dc\u5712\u306a\u3069\u3067\u6bce\u65e5\u306e\u6c17\u6e29\u30fb\u6e7f\u5ea6\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u51fa\u6765\u305f\u3089\u4fbf\u5229\u3067\u3059\u3088\u306d\uff1f \u4eca\u56de\u306fRaspberry Pi\u3068\u6e29\u6e7f\u5ea6\u30bb\u30f3\u30b5DHT20\u3092\u4f7f\u3063\u305f\u6c17\u6e29\u30fb\u6e7f\u5ea6\u8a08\u306e\u4f5c\u308a\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002 \u6e96\u5099\u3057\u305f\u3082\u306e \u56de\u8def\u56f3 Raspberry Pi\u3068\u6e29 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2351,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[2],"tags":[],"_links":{"self":[{"href":"https:\/\/craft-gogo.com\/wp-json\/wp\/v2\/posts\/2283"}],"collection":[{"href":"https:\/\/craft-gogo.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/craft-gogo.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/craft-gogo.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/craft-gogo.com\/wp-json\/wp\/v2\/comments?post=2283"}],"version-history":[{"count":20,"href":"https:\/\/craft-gogo.com\/wp-json\/wp\/v2\/posts\/2283\/revisions"}],"predecessor-version":[{"id":3433,"href":"https:\/\/craft-gogo.com\/wp-json\/wp\/v2\/posts\/2283\/revisions\/3433"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/craft-gogo.com\/wp-json\/wp\/v2\/media\/2351"}],"wp:attachment":[{"href":"https:\/\/craft-gogo.com\/wp-json\/wp\/v2\/media?parent=2283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/craft-gogo.com\/wp-json\/wp\/v2\/categories?post=2283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/craft-gogo.com\/wp-json\/wp\/v2\/tags?post=2283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}