📡 Node-RED MQTT ノードガイド

[ { "id": "mqtt_sample_tab", "type": "tab", "label": "MQTT サンプル", "disabled": false, "info": "" }, { "id": "mqtt_broker_public", "type": "mqtt-broker", "name": "Public Broker", "broker": "test.mosquitto.org", "port": "1883", "tls": "", "clientid": "", "autoConnect": true, "usetls": false, "verifyservercert": false, "compatmode": false, "protocolVersion": "4", "keepalive": "60", "cleansession": true, "autoUnsubscribe": true, "birthTopic": "", "birthQos": "0", "birthRetain": "false", "birthPayload": "", "birthMsg": {}, "closeTopic": "", "closeQos": "0", "closeRetain": "false", "closePayload": "", "closeMsg": {}, "willTopic": "", "willQos": "0", "willRetain": "false", "willPayload": "", "willMsg": {}, "userProps": "", "sessionExpiry": 0 }, { "id": "mqtt_comment1", "type": "comment", "z": "mqtt_sample_tab", "name": "━━━ 基本: Publish（発行） ━━━", "info": "", "x": 180, "y": 40, "wires": [] }, { "id": "mqtt_inject_temp", "type": "inject", "z": "mqtt_sample_tab", "name": "温度データ送信", "props": [{"p": "payload"}, {"p": "topic", "vt": "str"}], "repeat": "", "crontab": "", "once": false, "onceDelay": 0.1, "topic": "nodered-guide/sensors/temperature", "payload": "25.5", "payloadType": "num", "x": 180, "y": 100, "wires": [["mqtt_out_sensor"]] }, { "id": "mqtt_inject_humidity", "type": "inject", "z": "mqtt_sample_tab", "name": "湿度データ送信", "props": [{"p": "payload"}, {"p": "topic", "vt": "str"}], "repeat": "", "crontab": "", "once": false, "onceDelay": 0.1, "topic": "nodered-guide/sensors/humidity", "payload": "60", "payloadType": "num", "x": 180, "y": 140, "wires": [["mqtt_out_sensor"]] }, { "id": "mqtt_out_sensor", "type": "mqtt out", "z": "mqtt_sample_tab", "name": "Publish Sensor", "topic": "", "qos": "1", "retain": "false", "respTopic": "", "contentType": "", "userProps": "", "correl": "", "expiry": "", "broker": "mqtt_broker_public", "x": 420, "y": 120, "wires": [] }, { "id": "mqtt_comment2", "type": "comment", "z": "mqtt_sample_tab", "name": "━━━ 基本: Subscribe（購読） ━━━", "info": "", "x": 190, "y": 220, "wires": [] }, { "id": "mqtt_in_sensors", "type": "mqtt in", "z": "mqtt_sample_tab", "name": "Subscribe sensors/#", "topic": "nodered-guide/sensors/#", "qos": "1", "datatype": "auto", "broker": "mqtt_broker_public", "nl": false, "rap": true, "rh": 0, "inputs": 0, "x": 190, "y": 280, "wires": [["mqtt_debug_sensors", "mqtt_func_format"]] }, { "id": "mqtt_debug_sensors", "type": "debug", "z": "mqtt_sample_tab", "name": "受信データ", "active": true, "tosidebar": true, "console": false, "tostatus": true, "complete": "true", "targetType": "full", "statusVal": "topic", "statusType": "msg", "x": 430, "y": 280, "wires": [] }, { "id": "mqtt_func_format", "type": "function", "z": "mqtt_sample_tab", "name": "データ整形", "func": "var parts = msg.topic.split('/');\nvar sensorType = parts[parts.length - 1];\n\nmsg.formatted = {\n sensor: sensorType,\n value: msg.payload,\n topic: msg.topic,\n timestamp: new Date().toISOString()\n};\n\nreturn msg;", "outputs": 1, "timeout": 0, "noerr": 0, "initialize": "", "finalize": "", "libs": [], "x": 430, "y": 320, "wires": [["mqtt_debug_formatted"]] }, { "id": "mqtt_debug_formatted", "type": "debug", "z": "mqtt_sample_tab", "name": "整形データ", "active": true, "tosidebar": true, "console": false, "tostatus": true, "complete": "formatted", "targetType": "msg", "statusVal": "formatted.sensor", "statusType": "msg", "x": 610, "y": 320, "wires": [] }, { "id": "mqtt_comment3", "type": "comment", "z": "mqtt_sample_tab", "name": "━━━ JSON データの送受信 ━━━", "info": "", "x": 190, "y": 400, "wires": [] }, { "id": "mqtt_inject_json", "type": "inject", "z": "mqtt_sample_tab", "name": "JSONデータ送信", "props": [{"p": "payload"}, {"p": "topic", "vt": "str"}], "repeat": "", "crontab": "", "once": false, "onceDelay": 0.1, "topic": "nodered-guide/device/status", "payload": "{\"device\":\"sensor-001\",\"temperature\":25.5,\"humidity\":60,\"battery\":85}", "payloadType": "json", "x": 180, "y": 460, "wires": [["mqtt_func_stringify"]] }, { "id": "mqtt_func_stringify", "type": "function", "z": "mqtt_sample_tab", "name": "JSON文字列化", "func": "msg.payload = JSON.stringify(msg.payload);\nreturn msg;", "outputs": 1, "timeout": 0, "noerr": 0, "initialize": "", "finalize": "", "libs": [], "x": 400, "y": 460, "wires": [["mqtt_out_json"]] }, { "id": "mqtt_out_json", "type": "mqtt out", "z": "mqtt_sample_tab", "name": "Publish JSON", "topic": "", "qos": "1", "retain": "false", "respTopic": "", "contentType": "", "userProps": "", "correl": "", "expiry": "", "broker": "mqtt_broker_public", "x": 590, "y": 460, "wires": [] }, { "id": "mqtt_in_json", "type": "mqtt in", "z": "mqtt_sample_tab", "name": "Subscribe device/#", "topic": "nodered-guide/device/#", "qos": "1", "datatype": "json", "broker": "mqtt_broker_public", "nl": false, "rap": true, "rh": 0, "inputs": 0, "x": 190, "y": 520, "wires": [["mqtt_debug_json"]] }, { "id": "mqtt_debug_json", "type": "debug", "z": "mqtt_sample_tab", "name": "JSON受信", "active": true, "tosidebar": true, "console": false, "tostatus": true, "complete": "payload", "targetType": "msg", "statusVal": "payload.device", "statusType": "msg", "x": 420, "y": 520, "wires": [] }, { "id": "mqtt_comment4", "type": "comment", "z": "mqtt_sample_tab", "name": "━━━ デバイス制御（コマンド送受信） ━━━", "info": "", "x": 210, "y": 600, "wires": [] }, { "id": "mqtt_inject_on", "type": "inject", "z": "mqtt_sample_tab", "name": "LED ON", "props": [{"p": "payload"}], "repeat": "", "crontab": "", "once": false, "onceDelay": 0.1, "topic": "", "payload": "ON", "payloadType": "str", "x": 150, "y": 660, "wires": [["mqtt_out_control"]] }, { "id": "mqtt_inject_off", "type": "inject", "z": "mqtt_sample_tab", "name": "LED OFF", "props": [{"p": "payload"}], "repeat": "", "crontab": "", "once": false, "onceDelay": 0.1, "topic": "", "payload": "OFF", "payloadType": "str", "x": 150, "y": 700, "wires": [["mqtt_out_control"]] }, { "id": "mqtt_out_control", "type": "mqtt out", "z": "mqtt_sample_tab", "name": "Publish Control", "topic": "nodered-guide/control/led", "qos": "1", "retain": "true", "respTopic": "", "contentType": "", "userProps": "", "correl": "", "expiry": "", "broker": "mqtt_broker_public", "x": 360, "y": 680, "wires": [] }, { "id": "mqtt_in_control", "type": "mqtt in", "z": "mqtt_sample_tab", "name": "Subscribe control/#", "topic": "nodered-guide/control/#", "qos": "1", "datatype": "utf8", "broker": "mqtt_broker_public", "nl": false, "rap": true, "rh": 0, "inputs": 0, "x": 190, "y": 760, "wires": [["mqtt_switch_control"]] }, { "id": "mqtt_switch_control", "type": "switch", "z": "mqtt_sample_tab", "name": "ON/OFF判定", "property": "payload", "propertyType": "msg", "rules": [ {"t": "eq", "v": "ON", "vt": "str"}, {"t": "eq", "v": "OFF", "vt": "str"} ], "checkall": "false", "repair": false, "outputs": 2, "x": 410, "y": 760, "wires": [["mqtt_debug_on"], ["mqtt_debug_off"]] }, { "id": "mqtt_debug_on", "type": "debug", "z": "mqtt_sample_tab", "name": "LED ON!", "active": true, "tosidebar": true, "console": false, "tostatus": true, "complete": "payload", "targetType": "msg", "statusVal": "\"💡 ON\"", "statusType": "str", "x": 580, "y": 740, "wires": [] }, { "id": "mqtt_debug_off", "type": "debug", "z": "mqtt_sample_tab", "name": "LED OFF!", "active": true, "tosidebar": true, "console": false, "tostatus": true, "complete": "payload", "targetType": "msg", "statusVal": "\"⚫ OFF\"", "statusType": "str", "x": 580, "y": 780, "wires": [] } ]