{"id":3219,"date":"2015-01-31T23:01:30","date_gmt":"2015-01-31T14:01:30","guid":{"rendered":"http:\/\/www.motohasi.net\/blog\/?p=3219"},"modified":"2015-01-31T23:01:30","modified_gmt":"2015-01-31T14:01:30","slug":"raspberry-pi%e3%81%ab%e6%b8%a9%e5%ba%a6%e3%82%bb%e3%83%b3%e3%82%b5%e3%82%92%e6%8e%a5%e7%b6%9a","status":"publish","type":"post","link":"https:\/\/www.motohasi.net\/blog\/?p=3219","title":{"rendered":"Raspberry Pi\u306b\u6e29\u5ea6\u30bb\u30f3\u30b5\u3092\u63a5\u7d9a"},"content":{"rendered":"

Raspberry Pi\u306b\u6e29\u5ea6\u30bb\u30f3\u30b5\u3092\u63a5\u7d9a\u3057\u3066\u307f\u307e\u3057\u305f\u3002
\n\u4eca\u56de\u63a5\u7d9a\u3092\u3057\u305f\u306e\u306f\u3001\u300cDS18B20\u300d\u3068\u3044\u3046\u578b\u5f0f\u306e\u6e29\u5ea6\u30bb\u30f3\u30b5\u3067\u3059\u3002
\n\"DS18B20withCase\"
\n\u5c4b\u5916\u306e\u6c17\u6e29\u3092\u6e2c\u308c\u308c\u3070\u3068\u601d\u3044\u9632\u6c34\u30bf\u30a4\u30d7\u306e\u3082\u306e\u3092\u9078\u3073\u307e\u3057\u305f\u3002
\n\u3053\u306e\u30bb\u30f3\u30b5\u306fMaxim Integrated\u88fd(\u578b\u5f0f\u304b\u3089\u3059\u308b\u3068\u65e7Dallas Semiconductor\u306e\u88fd\u54c1\u3060\u3063\u305f\u306e\u3067\u3057\u3087\u3046)\u3067\u3059\u3002
\n\u3053\u306eDS18B20\u306f-55\u2103\uff5e125\u2103\u3092\u8a08\u6e2c\u51fa\u6765\u3001-10\u2103\uff5e85\u2103\u306e\u7bc4\u56f2\u3067\u00b10.5\u2103\u306e\u7cbe\u5ea6\u304c\u3042\u308a\u307e\u3059\u3002\u96fb\u6e90\u96fb\u5727\u306f3.0V\u304b\u30895.5V\u3067\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u72ec\u81ea\u306e1-Wire\u00ae\u3067\u3059\u3002
\n\u6b63\u78ba\u306b\u306fDS18B20\u306f\u88fd\u9020\u7d42\u4e86\u3067DS18B20+\u306b\u79fb\u884c\u3057\u3066\u3044\u304f\u69d8\u3067\u3059\u3002\u30d7\u30e9\u30b9\u306e\u6709\u7121\u306e\u9055\u3044\u306f\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u8a18\u8f09\u304c\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002
\nMaxim\u7684\u578b\u5f0f\u306bMAX31820\u304c\u3042\u308a\u307e\u3059\u3002\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u4e92\u63db\u304c\u3042\u308a\u5f90\u3005\u306b\u3053\u3061\u3089\u306b\u4ee3\u308f\u3063\u3066\u3044\u304f\u306e\u3067\u3057\u3087\u3046\u3002(\u7cbe\u5ea6\u306f\u5c11\u3057\u52a3\u308a\u307e\u3059\u300210\u2103\uff5e45\u2103\u306e\u7bc4\u56f2\u3067\u00b10.5\u2103\u306e\u7cbe\u5ea6\u3067\u3059\u3002)<\/p>\n

\u63a5\u7d9a\u306f7\u756a\u30d4\u30f3(GPIO4)\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u5236\u9650\u306e\u305f\u3081\u63a5\u7d9a\u30d4\u30f3\u306f\u5909\u66f4\u3067\u304d\u307e\u305b\u3093\u3002
\nRaspbian\u306f1-Wire\u3067\u901a\u4fe1\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002
\n$ sudo modprobe w1-gpio
\n$ sudo modprobe w1-therm
\n<\/code>\u3067\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002
\ncat \/sys\/bus\/w1\/devices\/w1_bus_master1\/w1_master_slaves<\/code>
\n\u3067\u63a5\u7d9a\u3057\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9(\u6e29\u5ea6\u8a08)\u306e\u56fa\u6709\u756a\u53f7\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002
\n\u3053\u306e\u30b3\u30fc\u30c9\u306f8bits\u306e\u30d5\u30a1\u30df\u30ea\u30fc\u30b3\u30fc\u30c9\u306848bits\u306e\u30b7\u30ea\u30a2\u30eb\u30ca\u30f3\u30d0\u30fc\u304b\u3089\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002
\nDS18B20\u306e\u5834\u5408\u30d5\u30a1\u30df\u30ea\u30fc\u30b3\u30fc\u30c9\u306f28Hex\u3068\u306a\u308a\u307e\u3059\u3002
\ncat \/sys\/bus\/w1\/devices\/28-xxxxxxxxxxxx\/w1_slave<\/code>
\n(28-xxxxxxxxxxxx\u306f\u4e0a\u306e\u30b3\u30de\u30f3\u30c9\u5b9f\u884c\u3067\u5f97\u3089\u308c\u305f\u7d50\u679c)
\n\u3092\u5b9f\u884c\u3059\u308b\u3068\u6e29\u5ea6\u3092\u542b\u3080\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002
\n4a 00 4b 46 7f ff 06 10 ca : crc=ca YES
\n4a 00 4b 46 7f ff 06 10 ca t=4625<\/code>
\nt=\u4ee5\u4e0b\u306e\u6570\u5b57\u30921000\u3067\u5272\u308b\u3068\u5b9f\u6e29\u5ea6\u3068\u306a\u308a\u307e\u3059\u3002
\n\u4e0a\u8a18\u306e\u4f8b\u306e\u5834\u54084.625\u2103\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u30bb\u30f3\u30b5\u306e\u5024\u309210\u5206\u6bce\u306b\u8a18\u9332\u3057\u3066\u307f\u307e\u3057\u305f\u3002
\n\u7d50\u679c\u306f\u3042\u307e\u308a\u826f\u304f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002
\n\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u3001\u6b20\u6e2c\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002(\u4e00\u65e5144\u56de\u30c7\u30fc\u30bf\u304c\u53d6\u5f97\u3055\u308c\u307e\u3059\u304c\u4e00\u65e5\u7d0410\u56de\u307b\u3069\u6b20\u6e2c\u3057\u307e\u3057\u305f)
\n\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u30ea\u30c8\u30e9\u30a4\u3092\u6700\u592710\u56de\u884c\u3046\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u308c\u4ee5\u524d\u306b\u6642\u3005\u30bb\u30f3\u30b5\u3068\u901a\u4fe1\u51fa\u6765\u306a\u3044\u72b6\u6cc1\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002
\n\u5b9f\u9a13\u7684\u306b\u4f7f\u7528\u3059\u308b\u306a\u3089\u3070\u554f\u984c\u306f\u306b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5b9a\u671f\u7684\u306b\u8a18\u9332\u3057\u7d9a\u3051\u308b\u7528\u9014\u306b\u306f\u4eca\u306e\u307e\u307e\u3067\u306f\u9069\u3055\u306a\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n

\u81ea\u5206\u30671-Wire\u7528\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u66f8\u3051\u3070\u826f\u3044\u306e\u3067\u3057\u3087\u3046\u304c1-Wire\u306e\u901a\u4fe1\u306e\u4ed5\u7d44\u307f\u306f\u3061\u3087\u3063\u3068\u8907\u96d1\u3067\u3059\u3002\u7269\u7406\u7684\u306a\u63a5\u7d9a\u306f\u7c21\u5358\u3067\u3059\u304c\u30de\u30eb\u30c1\u30c9\u30ed\u30c3\u30d7\u53ef\u80fd\u306a\u4ed5\u7d44\u307f\u304c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u8907\u96d1\u306b\u3057\u3066\u3044\u307e\u3059\u30021-Wire\u304c\u30b7\u30ea\u30a2\u30eb\u30d0\u30b9\u3068\u3057\u3066\u3042\u307e\u308a\u5e83\u304f\u5e83\u304c\u3089\u306a\u304b\u3063\u305f\u306e\u306f\u305d\u3093\u306a\u7406\u7531\u304c\u3042\u308b\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Raspberry Pi\u306b\u6e29\u5ea6\u30bb\u30f3\u30b5\u3092\u63a5\u7d9a\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u4eca\u56de\u63a5\u7d9a\u3092\u3057\u305f\u306e\u306f\u3001\u300cDS18B20\u300d\u3068\u3044\u3046\u578b\u5f0f\u306e\u6e29\u5ea6\u30bb\u30f3\u30b5\u3067\u3059\u3002 \u5c4b\u5916\u306e\u6c17\u6e29\u3092\u6e2c\u308c\u308c\u3070\u3068\u601d\u3044\u9632\u6c34\u30bf\u30a4\u30d7\u306e\u3082\u306e\u3092\u9078\u3073\u307e\u3057\u305f\u3002 \u3053\u306e\u30bb\u30f3\u30b5\u306fMaxim Integr … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,14],"tags":[],"class_list":["post-3219","post","type-post","status-publish","format-standard","hentry","category-raspberrypi","category-overseas"],"_links":{"self":[{"href":"https:\/\/www.motohasi.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.motohasi.net\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.motohasi.net\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.motohasi.net\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.motohasi.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3219"}],"version-history":[{"count":7,"href":"https:\/\/www.motohasi.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3219\/revisions"}],"predecessor-version":[{"id":3227,"href":"https:\/\/www.motohasi.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3219\/revisions\/3227"}],"wp:attachment":[{"href":"https:\/\/www.motohasi.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.motohasi.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.motohasi.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}