nodered-esp8266-modbus-mqtt

[
    {
        "id": "2f672f5e.71145",
        "type": "tab",
        "label": "Flow 1",
        "disabled": false,
        "info": ""
    },
    {
        "id": "81120c54.e07e5",
        "type": "modbus-client",
        "z": "",
        "name": "esp8266",
        "clienttype": "tcp",
        "bufferCommands": true,
        "stateLogEnabled": false,
        "tcpHost": "192.168.1.5",
        "tcpPort": "502",
        "tcpType": "DEFAULT",
        "serialPort": "/dev/ttyUSB",
        "serialType": "RTU-BUFFERD",
        "serialBaudrate": "9600",
        "serialDatabits": "8",
        "serialStopbits": "1",
        "serialParity": "none",
        "serialConnectionDelay": "100",
        "unit_id": "1",
        "commandDelay": "1",
        "clientTimeout": "1000",
        "reconnectTimeout": "2000"
    },
    {
        "id": "584c9492.4829ec",
        "type": "modbus-write",
        "z": "2f672f5e.71145",
        "name": "esp8266-modbus",
        "showStatusActivities": true,
        "showErrors": true,
        "unitid": "1",
        "dataType": "HoldingRegister",
        "adr": "1",
        "quantity": "1",
        "server": "81120c54.e07e5",
        "x": 312,
        "y": 185,
        "wires": [
            [
                "4c281375.06f62c"
            ],
            []
        ]
    },
    {
        "id": "3a83909.392cc7",
        "type": "inject",
        "z": "2f672f5e.71145",
        "name": "",
        "topic": "",
        "payload": "1",
        "payloadType": "num",
        "repeat": "",
        "crontab": "",
        "once": false,
        "onceDelay": 0.1,
        "x": 123,
        "y": 138,
        "wires": [
            [
                "584c9492.4829ec"
            ]
        ]
    },
    {
        "id": "4c281375.06f62c",
        "type": "modbus-response",
        "z": "2f672f5e.71145",
        "name": "",
        "registerShowMax": 20,
        "x": 611,
        "y": 180,
        "wires": []
    }
]