Metro

This is a subflow that will output 0 and 1 alternatively. You can send it the 'on' or 'off' message to start or stop the output. This can be useful to blink leds for instance.

[
{
    "id": "1ad418f4.e52be7",
    "type": "subflow",
    "name": "Metro",
    "in": [
      {
        "x": 51,
        "y": 252,
        "wires": [
          {
            "id": "eb5058c2.14afa8"
          }
        ]
      }
    ],
    "out": [
      {
        "x": 693,
        "y": 194,
        "wires": [
          {
            "id": "717e92af.8e816c",
            "port": 0
          }
        ]
      }
    ]
  },
  {
    "id": "717e92af.8e816c",
    "type": "trigger",
    "op1": "1",
    "op2": "0",
    "op1type": "val",
    "op2type": "val",
    "duration": "250",
    "extend": "false",
    "units": "ms",
    "name": "",
    "x": 431,
    "y": 193,
    "z": "1ad418f4.e52be7",
    "wires": [
      [
        "36f089f5.c90f76"
      ]
    ]
  },
  {
    "id": "36f089f5.c90f76",
    "type": "function",
    "name": "",
    "func": "if (msg.payload == \"off\")\n\tcontext.state = 0;\nif (msg.payload == \"on\")\n\tcontext.state = 1;\n\nif (context.state == 1)\n{\n\tif (msg.payload == 0)\n\t\treturn msg;\n\telse\n\t\treturn;\n}\nelse\n\treturn;",
    "outputs": 1,
    "x": 547,
    "y": 343,
    "z": "1ad418f4.e52be7",
    "wires": [
      [
        "c06b5e30.3f94a"
      ]
    ]
  },
  {
    "id": "c06b5e30.3f94a",
    "type": "delay",
    "name": "",
    "pauseType": "delay",
    "timeout": "250",
    "timeoutUnits": "milliseconds",
    "rate": "1",
    "rateUnits": "second",
    "randomFirst": "1",
    "randomLast": "5",
    "randomUnits": "seconds",
    "drop": false,
    "x": 775,
    "y": 344,
    "z": "1ad418f4.e52be7",
    "wires": [
      [
        "717e92af.8e816c"
      ]
    ]
  },
  {
    "id": "eb5058c2.14afa8",
    "type": "switch",
    "name": "",
    "property": "payload",
    "rules": [
      {
        "t": "eq",
        "v": "on"
      },
      {
        "t": "eq",
        "v": "off"
      }
    ],
    "checkall": "true",
    "outputs": 2,
    "x": 198,
    "y": 252,
    "z": "1ad418f4.e52be7",
    "wires": [
      [
        "36f089f5.c90f76",
        "717e92af.8e816c"
      ],
      [
        "36f089f5.c90f76"
      ]
    ]
  }
]
natcl

Flow Info

created 2 years, 11 months ago

Node Types

Core
  • delay (x1)
  • function (x1)
  • switch (x1)
  • trigger (x1)
Other
  • subflow (x1)

Tags

  • Metro
  • Timer
  • Blink
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