{"id":6786,"date":"2025-06-27T16:39:38","date_gmt":"2025-06-27T07:39:38","guid":{"rendered":"https:\/\/blog.smartlight.co.jp\/?p=6786"},"modified":"2025-06-27T16:39:38","modified_gmt":"2025-06-27T07:39:38","slug":"raspberry-pi-node-red-stm550b-%e3%81%a7%e6%b8%a9%e6%b9%bf%e5%ba%a6%e3%82%bb%e3%83%b3%e3%82%b5%e3%83%bc%e5%8f%af%e8%a6%96%e5%8c%96%ef%bc%81mqtt%e3%83%80%e3%83%83%e3%82%b7%e3%83%a5%e3%83%9c%e3%83%bc","status":"publish","type":"post","link":"https:\/\/blog.smartlight.co.jp\/?p=6786","title":{"rendered":"Raspberry Pi + Node-RED + STM550B \u3067\u6e29\u6e7f\u5ea6\u30bb\u30f3\u30b5\u30fc\u53ef\u8996\u5316\uff01MQTT\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u69cb\u7bc9"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>\u4eca\u56de\u306f\u3001EnOcean STM550B\u306e\u30c7\u30fc\u30bf\u3092Raspberry Pi\u3067\u53d7\u4fe1\u3057\u3066\u3001Node-RED + MQTT\u3092\u4f7f\u3063\u3066PC\u306b\u9001\u308a\u3001\u3055\u3089\u306bPC\u3067\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u8868\u793a\u3059\u308b\u69cb\u6210\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b7\u30b9\u30c6\u30e0\u69cb\u6210<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>STM550B<\/strong> \u2026 \u6e29\u5ea6\u30fb\u6e7f\u5ea6\u30fb\u7167\u5ea6\u30fb\u52a0\u901f\u5ea6\u30fb\u30de\u30b0\u30cd\u30c3\u30c8\u63a5\u70b9\u306a\u3069\u3092\u6e2c\u308c\u308bEnOcean\u30bb\u30f3\u30b5\u30fc<\/li>\n\n\n\n<li><strong>Raspberry Pi 4 + Node-RED<\/strong> \u2026 BLE\u3067STM550B\u306e\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308aMQTT\u3067\u914d\u4fe1<\/li>\n\n\n\n<li><strong>PC + Node-RED<\/strong> \u2026 \u53d7\u3051\u53d6\u3063\u305f\u30c7\u30fc\u30bf\u3092\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3067\u53ef\u8996\u5316<\/li>\n\n\n\n<li><strong>Mosquitto<\/strong> \u2026 MQTT\u30d6\u30ed\u30fc\u30ab\u30fc<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"> Raspberry Pi \u5074\u306eNode-RED\u30d5\u30ed\u30fc<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"504\" src=\"https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-34-1024x504.png\" alt=\"\" class=\"wp-image-6790\" srcset=\"https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-34-1024x504.png 1024w, https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-34-300x148.png 300w, https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-34-768x378.png 768w, https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-34.png 1061w, https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-34-1024x504.png 856w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>STM550B\u306e\u30d3\u30fc\u30b3\u30f3\u3092\u53d7\u4fe1\u3057\u305f\u5f8c\u3001swhich\u30ce\u30fc\u30c9\u3067\u30c7\u30d0\u30a4\u30b9\u306eID\u3092\u7d5e\u308a\u51fa\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"355\" height=\"333\" src=\"https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-35.png\" alt=\"\" class=\"wp-image-6792\" \/><\/figure>\n\n\n\n<p>\u4e0a\u306e\u5199\u771f\u306e\u3088\u3046\u306b\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n<p>Function\u30ce\u30fc\u30c9\u3067\u53d7\u4fe1\u3057\u305f\u30d0\u30c3\u30d5\u30a1\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30d1\u30fc\u30b9\u3057\u3066\u3001<br>\u53ef\u8aad\u5316\uff0bMQTT\u306b\u9001\u308b\u5f62\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">javascript\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b&lt;code&gt;<span class=\"hljs-keyword\">var<\/span> Packet = msg.payload.other\n<span class=\"hljs-keyword\">var<\/span> Temp = (Packet&#91;<span class=\"hljs-number\">8<\/span>] * <span class=\"hljs-number\">256<\/span> + Packet&#91;<span class=\"hljs-number\">7<\/span>]) \/ <span class=\"hljs-number\">100<\/span>\n<span class=\"hljs-keyword\">var<\/span> Humid = Packet&#91;<span class=\"hljs-number\">10<\/span>] \/ <span class=\"hljs-number\">2<\/span>\n<span class=\"hljs-keyword\">var<\/span> Lux = Packet&#91;<span class=\"hljs-number\">13<\/span>] * <span class=\"hljs-number\">256<\/span> + Packet&#91;<span class=\"hljs-number\">12<\/span>]\n<span class=\"hljs-keyword\">var<\/span> Energy = Packet&#91;<span class=\"hljs-number\">22<\/span>] \/ <span class=\"hljs-number\">2<\/span>\n<span class=\"hljs-keyword\">var<\/span> contact = Packet&#91;<span class=\"hljs-number\">20<\/span>]\n<span class=\"hljs-keyword\">if<\/span> (contact == <span class=\"hljs-number\">2<\/span>) { contact = <span class=\"hljs-string\">\"Close\"<\/span> } <span class=\"hljs-keyword\">else<\/span> { contact = <span class=\"hljs-string\">\"Open\"<\/span> }\n\n<span class=\"hljs-keyword\">var<\/span> data = {\n    <span class=\"hljs-string\">\"Temp\"<\/span>: Temp + <span class=\"hljs-string\">'\u00b0C'<\/span>,\n    <span class=\"hljs-string\">\"Humid\"<\/span>: Humid + <span class=\"hljs-string\">'%'<\/span>,\n    <span class=\"hljs-string\">\"Lux\"<\/span>: Lux + <span class=\"hljs-string\">'lux'<\/span>,\n    <span class=\"hljs-string\">\"Contact\"<\/span>: contact,\n    <span class=\"hljs-string\">\"Energy\"<\/span>: Energy + <span class=\"hljs-string\">'%'<\/span>\n}\nmsg.payload = data\n<span class=\"hljs-keyword\">return<\/span> msg\n&lt;<span class=\"hljs-regexp\">\/code&gt;<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u3053\u306e\u3042\u3068 <code>mqtt out<\/code> \u30ce\u30fc\u30c9\u3067\u6307\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a2d\u5b9a\u3057\u9001\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udfe6 PC \u5074\u306eNode-RED\u30d5\u30ed\u30fc<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"373\" src=\"https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-36-1024x373.png\" alt=\"\" class=\"wp-image-6793\" srcset=\"https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-36-1024x373.png 1024w, https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-36-300x109.png 300w, https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-36-768x280.png 768w, https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-36.png 1189w, https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-36-1024x373.png 856w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>MQTT In \u30ce\u30fc\u30c9\u3067out\u30ce\u30fc\u30c9\u3067\u9001\u3063\u305f\u30c7\u30fc\u30bf\u306e\u9001\u308a\u5148\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u308c\u307e\u3059<\/p>\n\n\n\n<p>MQTT\u3067\u30d1\u30fc\u30b9\u6e08\u307f\u306e\u30c7\u30fc\u30bf\u3092\u305d\u306e\u307e\u307e\u53d7\u3051\u53d6\u308a\u307e\u3059<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"346\" height=\"623\" src=\"https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-37.png\" alt=\"\" class=\"wp-image-6794\" \/><\/figure>\n\n\n\n<p>\u3053\u306e\u30c7\u30fc\u30bf\u3092\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u8868\u793a\u3059\u308b\u305f\u3081\u306b\u5206\u89e3\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u30b2\u30fc\u30b8\u306b\u6d41\u3059function\u3092\u4f5c\u6210\u3002<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">&lt;code&gt;<span class=\"hljs-keyword\">let<\/span> data = msg.payload;\n\n<span class=\"hljs-keyword\">let<\/span> temperature = <span class=\"hljs-built_in\">parseFloat<\/span>(data.Temp);\n<span class=\"hljs-keyword\">let<\/span> humidity    = <span class=\"hljs-built_in\">parseFloat<\/span>(data.Humid);\n<span class=\"hljs-keyword\">let<\/span> lux         = <span class=\"hljs-built_in\">parseInt<\/span>(data.Lux);\n<span class=\"hljs-keyword\">let<\/span> energy      = <span class=\"hljs-built_in\">parseInt<\/span>(data.Energy);\n<span class=\"hljs-keyword\">let<\/span> contact     = data.Contact;\n\n<span class=\"hljs-keyword\">return<\/span> &#91;\n    { <span class=\"hljs-attr\">payload<\/span>: temperature },\n    { <span class=\"hljs-attr\">payload<\/span>: humidity },\n    { <span class=\"hljs-attr\">payload<\/span>: lux },\n    { <span class=\"hljs-attr\">payload<\/span>: energy },\n    { <span class=\"hljs-attr\">payload<\/span>: contact }\n];\n&lt;<span class=\"hljs-regexp\">\/code&gt;<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u3053\u306efunction\u306e\u51fa\u529b\u3092 <strong>5\u672c<\/strong> \u306b\u3057\u3066<br>\u305d\u308c\u305e\u308c<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6e29\u5ea6\u30b2\u30fc\u30b8<\/li>\n\n\n\n<li>\u6e7f\u5ea6\u30b2\u30fc\u30b8<\/li>\n\n\n\n<li>\u7167\u5ea6\u30b2\u30fc\u30b8<\/li>\n\n\n\n<li>\u30a8\u30cd\u30eb\u30ae\u30fc\u30b2\u30fc\u30b8<\/li>\n\n\n\n<li>\u30c9\u30a2\u30b3\u30f3\u30bf\u30af\u30c8\uff08\u30c6\u30ad\u30b9\u30c8\uff09<\/li>\n<\/ol>\n\n\n\n<p>\u306b\u63a5\u7d9a\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"406\" src=\"https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-38-1024x406.png\" alt=\"\" class=\"wp-image-6795\" srcset=\"https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-38-1024x406.png 1024w, https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-38-300x119.png 300w, https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-38-768x305.png 768w, https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-38-1536x609.png 1536w, https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-38.png 1899w, https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/image-38-1024x406.png 856w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u4eca\u56deMQTT\u306b\u3064\u3044\u3066\u52c9\u5f37\u3059\u308b\u305f\u3081\u306b\u4eca\u56de\u306e\u7269\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>BLE\u30bb\u30f3\u30b5\u306e\u3088\u3046\u306b\u983b\u7e41\u306b\u30c7\u30fc\u30bf\u304c\u98db\u3093\u3067\u304f\u308bIoT\u74b0\u5883\u306b\u3068\u3066\u3082\u5411\u3044\u3066\u3044\u308b\u3053\u3068\u3084MQTT\u306fJSON\u3067\u3082\u30c6\u30ad\u30b9\u30c8\u3067\u3082\u9001\u308c\u308b\u304c\u3001\u53d7\u3051\u53d6\u308b\u5074\u306e\u69cb\u9020\u3092\u63c3\u3048\u306a\u3044\u3068\u6b63\u3057\u304f\u8868\u793a\u3067\u304d\u306a\u3044\u3002\u307e\u305f\u30d1\u30d6\u30ea\u30c3\u30b7\u30e3\u30fc\u3001\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u30fc\u306e\u5f79\u5272\u306e\u9055\u3044\u30fb\u6982\u5ff5\u306b\u3064\u3044\u3066\u5b66\u3076\u3053\u3068\u304c\u51fa\u6765\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b \u4eca\u56de\u306f\u3001EnOcean STM550B\u306e\u30c7\u30fc\u30bf\u3092Raspberry Pi\u3067\u53d7\u4fe1\u3057\u3066\u3001Node-RED + MQTT\u3092\u4f7f\u3063\u3066PC\u306b\u9001\u308a\u3001\u3055\u3089\u306bPC\u3067\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u8868\u793a\u3059\u308b\u69cb\u6210\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002 \u30b7\u30b9\u30c6\u30e0\u69cb\u6210 Rasp<\/p>\n","protected":false},"author":21,"featured_media":6798,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jin_ogp_image_url":"https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/thumbnails-ogp-6786.png","_jin_last_featured_id":6798,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-6786","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-intern"],"jetpack_featured_media_url":"https:\/\/blog.smartlight.co.jp\/wp-content\/uploads\/2025\/06\/thumbnails-featured-6786.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/6786","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6786"}],"version-history":[{"count":1,"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/6786\/revisions"}],"predecessor-version":[{"id":6800,"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/6786\/revisions\/6800"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=\/wp\/v2\/media\/6798"}],"wp:attachment":[{"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}