{"id":6994,"date":"2025-07-29T13:41:33","date_gmt":"2025-07-29T04:41:33","guid":{"rendered":"https:\/\/blog.smartlight.co.jp\/?p=6994"},"modified":"2025-07-29T13:41:34","modified_gmt":"2025-07-29T04:41:34","slug":"m5stackcore-x-node-red%e3%81%a7%e4%bd%9c%e3%82%8b%e3%83%aa%e3%82%a2%e3%83%ab%e3%82%bf%e3%82%a4%e3%83%a0%e6%8a%95%e7%a5%a8%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0","status":"publish","type":"post","link":"https:\/\/blog.smartlight.co.jp\/?p=6994","title":{"rendered":"M5Stackcore \u00d7 Node-RED\u3067\u4f5c\u308b\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6295\u7968\u30b7\u30b9\u30c6\u30e0"},"content":{"rendered":"\n

\u4eca\u56de\u306f\u3001M5Stack<\/strong> \u3068 Node-RED<\/strong> \u3092\u4f7f\u3063\u3066\u3001\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u3067\u5b8c\u7d50\u3059\u308b\u300c\u304a\u984c\u306b\u5bfe\u3057\u3066A\/B\u3067\u5373\u6642\u6295\u7968\u3067\u304d\u308b\u30b7\u30b9\u30c6\u30e0\u300d\u3092\u69cb\u7bc9\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\n\n\n\n

\u30b7\u30b9\u30c6\u30e0\u6982\u8981<\/h2>\n\n\n\n
    \n
  • \u6295\u7968\u7aef\u672b<\/strong>\uff1aM5Stack Core<\/li>\n\n\n\n
  • \u96c6\u8a08\u30fb\u8868\u793a<\/strong>\uff1aNode-RED\uff08HTTP\u901a\u4fe1\uff09<\/li>\n\n\n\n
  • \u901a\u4fe1\u65b9\u5f0f<\/strong>\uff1aM5Stack \u2192 Node-RED\u3078HTTP POST\uff08MQTT\u4e0d\u8981\uff09<\/li>\n\n\n\n
  • \u6295\u7968\u65b9\u5f0f<\/strong>\uff1aA\/B\u30dc\u30bf\u30f3\u3067\u5373\u6642\u6295\u7968\u3001C\u30dc\u30bf\u30f3\u3067\u6b21\u306e\u30c6\u30fc\u30de\u3078\u5909\u66f4<\/li>\n\n\n\n
  • \u6295\u7968\u7d50\u679c<\/strong>\uff1aNode-RED\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u4e0a\u306b\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u8868\u793a<\/li>\n<\/ul>\n\n\n\n
    \n\n\n\n

    \u69cb\u6210\u30a4\u30e1\u30fc\u30b8<\/h2>\n\n\n\n
    [M5Stack\u7aef\u672b]
       \u2193 (HTTP POST)
    [Node-RED\uff08PC\uff09]
       \u2192 \u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3067\u96c6\u8a08\u30fb\u8868\u793a
    <\/code><\/pre>\n\n\n\n
    \n\n\n\n
    M5Stack \u5074\u306e\u5b9f\u88c5<\/h2>\n\n\n\n
    M5Stack\u3067\u306f\u3001\u8907\u6570\u306e\u30c6\u30fc\u30de\u3068\u9078\u629e\u80a2\u3092\u914d\u5217\u3067\u5b9a\u7fa9\u3057\u3001\u96fb\u6e90\u6295\u5165\u6642\u306b\u30e9\u30f3\u30c0\u30e0\u30671\u3064\u8868\u793a\u3002
    A\u307e\u305f\u306fB\u30dc\u30bf\u30f3\u3067\u5373\u6295\u7968\u3001C\u30dc\u30bf\u30f3\u3067\u6b21\u306e\u30c6\u30fc\u30de\u3078\u66f4\u65b0\u30fb\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n\n\n
    <code>#include <M5Stack.h><\/span>\n#include <WiFi.h><\/span>\n#include <HTTPClient.h><\/span>\n\n\/\/ Wi-Fi\u8a2d\u5b9a<\/span>\nconst<\/span> char* ssid = \"smartlight-net\"<\/span>;\nconst<\/span> char* password = \"42397311\"<\/span>;\n\n\/\/ Node-RED HTTP\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8<\/span>\nconst<\/span> char* serverName = \"http:\/\/192.168.1.46:1880\/vote\"<\/span>;\n\n\/\/ \u30c6\u30fc\u30de\u4e00\u89a7<\/span>\nconst<\/span> char* themes[][3<\/span>] = {\n  {\"\u30e9\u30f3\u30c1\u306f\u3069\u3063\u3061\uff1f\"<\/span>, \"\u30e9\u30fc\u30e1\u30f3\"<\/span>, \"\u30ab\u30ec\u30fc\"<\/span>},\n  {\"\u597d\u304d\u306a\u5b63\u7bc0\u306f\uff1f\"<\/span>, \"\u6625\"<\/span>, \"\u79cb\"<\/span>},\n  {\"\u65c5\u884c\u3059\u308b\u306a\u3089\uff1f\"<\/span>, \"\u6d77\"<\/span>, \"\u5c71\"<\/span>},\n  {\"\u30da\u30c3\u30c8\u98fc\u3046\u306a\u3089\uff1f\"<\/span>, \"\u72ac\"<\/span>, \"\u732b\"<\/span>},\n  {\"\u89b3\u6226\u3059\u308b\u306a\u3089\uff1f\"<\/span>, \"\u30b5\u30c3\u30ab\u30fc\"<\/span>, \"\u91ce\u7403\"<\/span>}\n};\nconst<\/span> int themeCount = sizeof(themes) \/ sizeof(themes[0<\/span>]);\nint currentThemeIndex = 0<\/span>;\n\nvoid connectWiFi() {\n  WiFi.begin(ssid, password);\n  while<\/span> (WiFi.status() != WL_CONNECTED) {\n    delay(500<\/span>);\n  }\n}\n\nvoid sendToServer(String vote, String theme = \"\"<\/span>) {\n  if<\/span> (WiFi.status() == WL_CONNECTED) {\n    HTTPClient http;\n    http.begin(serverName);\n    http.addHeader(\"Content-Type\"<\/span>, \"application\/json\"<\/span>);\n\n    String json = \"{\"<\/span>;\n    if<\/span> (vote != \"\"<\/span>) json += \"\\\"vote\\\":\\\"\"<\/span> + vote + \"\\\"\"<\/span>;\n    if<\/span> (theme != \"\"<\/span>) {\n      if<\/span> (vote != \"\"<\/span>) json += \",\"<\/span>;\n      json += \"\\\"theme\\\":\\\"\"<\/span> + theme + \"\\\"\"<\/span>;\n    }\n    json += \"}\"<\/span>;\n\n    http.POST(json);\n    http.end();\n  }\n}\n\nvoid displayTheme() {\n  M5.Lcd.clear();\n  M5.Lcd.setCursor(0<\/span>, 0<\/span>);\n  M5.Lcd.setTextSize(2<\/span>);\n  M5.Lcd.println(\"\u30c6\u30fc\u30de\uff1a\"<\/span>);\n  M5.Lcd.println(themes[currentThemeIndex][0<\/span>]);\n  M5.Lcd.println(\"A\uff1a\"<\/span> + String(themes[currentThemeIndex][1<\/span>]));\n  M5.Lcd.println(\"B\uff1a\"<\/span> + String(themes[currentThemeIndex][2<\/span>]));\n  M5.Lcd.println(\"C\uff1a\u6b21\u306e\u30c6\u30fc\u30de\"<\/span>);\n}\n\nvoid setup() {\n  M5.begin();\n  connectWiFi();\n  randomSeed(analogRead(36<\/span>));\n  currentThemeIndex = random(themeCount);\n  displayTheme();\n  sendToServer(\"\"<\/span>, themes[currentThemeIndex][0<\/span>]);  \/\/ \u521d\u56de\u30c6\u30fc\u30de\u9001\u4fe1<\/span>\n}\n\nvoid loop() {\n  M5.update();\n  if<\/span> (M5.BtnA.wasPressed()) {\n    sendToServer(\"A\"<\/span>);\n    M5.Lcd.setCursor(0<\/span>, 180<\/span>);\n    M5.Lcd.println(\"A\u306b\u6295\u7968\u3057\u307e\u3057\u305f\"<\/span>);\n  }\n  if<\/span> (M5.BtnB.wasPressed()) {\n    sendToServer(\"B\"<\/span>);\n    M5.Lcd.setCursor(0<\/span>, 200<\/span>);\n    M5.Lcd.println(\"B\u306b\u6295\u7968\u3057\u307e\u3057\u305f\"<\/span>);\n  }\n  if<\/span> (M5.BtnC.wasPressed()) {\n    currentThemeIndex = random(themeCount);\n    displayTheme();\n    sendToServer(\"\"<\/span>, themes[currentThemeIndex][0<\/span>]);  \/\/ \u65b0\u30c6\u30fc\u30de\u9001\u4fe1<\/span>\n  }\n}\n<\/code><\/code><\/span>Code language:<\/span> PHP<\/span> (<\/span>php<\/span>)<\/span><\/small><\/pre>\n\n\n
    \n\n\n\n
    Node-RED \u5074\u306e\u69cb\u6210<\/h2>\n\n\n\n
    HTTP\u53d7\u4fe1\u30d5\u30ed\u30fc<\/h4>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    function\u30ce\u30fc\u30c9\u306e\u30b3\u30fc\u30c9<\/h4>\n\n\n
    <code>let<\/span> voteData = flow.get('voteData'<\/span>) || {\n  theme<\/span>: ''<\/span>,\n  A<\/span>: 0<\/span>,\n  B<\/span>: 0<\/span>\n};\n\n\/\/ \u30c6\u30fc\u30de\u5909\u66f4\u6642\u306b\u30ea\u30bb\u30c3\u30c8<\/span>\nif<\/span> (msg.payload.theme && msg.payload.theme !== voteData.theme) {\n  voteData = {\n    theme<\/span>: msg.payload.theme,\n    A<\/span>: 0<\/span>,\n    B<\/span>: 0<\/span>\n};\n}\n\n\/\/ \u6295\u7968\u51e6\u7406<\/span>\nif<\/span> (msg.payload.vote === 'A'<\/span>) voteData.A++;\nif<\/span> (msg.payload.vote === 'B'<\/span>) voteData.B++;\n\nflow.set('voteData'<\/span>, voteData);\nmsg.payload = voteData;\nreturn<\/span> msg;\n<\/code><\/span><\/code><\/span>Code language:<\/span> JavaScript<\/span> (<\/span>javascript<\/span>)<\/span><\/small><\/pre>\n\n\n
    \n\n\n\n
    M5Stuckcore\u3067\u306e\u8868\u793a<\/h2>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    \u5de6\u30dc\u30bf\u30f3:A  \u771f\u3093\u4e2d\u30dc\u30bf\u30f3:B\u3000\u53f3\u30dc\u30bf\u30f3:C<\/p>\n\n\n\n
    \u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3067\u306e\u8868\u793a<\/h2>\n\n\n\n
    Node-RED\u306eDashboard\u3067\u4ee5\u4e0b\u3092\u8868\u793a\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    C\u30dc\u30bf\u30f3\u3067\u30c6\u30fc\u30de\u304c\u5909\u308f\u308b\u3068\u81ea\u52d5\u3067\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u3001\u5e38\u306b\u65b0\u3057\u3044\u6295\u7968\u3092\u53d7\u3051\u4ed8\u3051\u308b\u8a2d\u8a08\u3067\u3059\u3002<\/p>\n\n\n\n
    <\/p>\n\n\n\n
    \u307e\u3068\u3081<\/h2>\n\n\n\n

    A\/B\u30dc\u30bf\u30f3\u306b\u3088\u308b\u5373\u6642\u6295\u7968\u3001C\u30dc\u30bf\u30f3\u306b\u3088\u308b\u30c6\u30fc\u30de\u5909\u66f4\u3082\u30b9\u30e0\u30fc\u30ba\u306b\u52d5\u4f5c\u3057\u3001\u7d50\u679c\u306f\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u4e0a\u306b\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u53cd\u6620\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057M5Stuckcore\u304c\u65e5\u672c\u8a9e\u3067\u8868\u793a\u3067\u304d\u306a\u3044\u305f\u3081\u82f1\u8a9e\u3067\u3057\u304b\u8868\u793a\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
    <\/p>\n\n\n\n
    <\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4eca\u56de\u306f\u3001M5Stack \u3068 Node-RED \u3092\u4f7f\u3063\u3066\u3001\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u3067\u5b8c\u7d50\u3059\u308b\u300c\u304a\u984c\u306b\u5bfe\u3057\u3066A\/B\u3067\u5373\u6642\u6295\u7968\u3067\u304d\u308b\u30b7\u30b9\u30c6\u30e0\u300d\u3092\u69cb\u7bc9\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u30b7\u30b9\u30c6\u30e0\u6982\u8981 \u69cb\u6210\u30a4\u30e1\u30fc\u30b8 [M5Stack\u7aef\u672b] \u2193 (HTT<\/p>\n","protected":false},"author":21,"featured_media":7000,"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\/07\/thumbnails-ogp-6994.png","_jin_last_featured_id":7000,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-6994","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\/07\/thumbnails-featured-6994.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/6994","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=6994"}],"version-history":[{"count":2,"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/6994\/revisions"}],"predecessor-version":[{"id":7003,"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/6994\/revisions\/7003"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=\/wp\/v2\/media\/7000"}],"wp:attachment":[{"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.smartlight.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}