CO2 Notification

In this use case the CO2 value (e.g. from a netatmo weather station) is triggered periodically.

Configuration:

{
    "currentState": "neutral_range",
    "states": {
        "low_level": {
            "greater_high": "high_level"
        },
        "high_level": {
            "less_low": "low_level"
        },
        "neutral_range": {
            "greater_high": "high_level",
            "less_low": "low_level"
        }
    },
    "data": {
        "high": 1000,
        "low": 800
    },
    "methods": {
        "onBeforeTransition": [
            "if(msg.payload.value < sm.data.low) {",
            "   msg.topic = 'less_low';",
            "} else if(msg.payload.value > sm.data.high) {",
            "   msg.topic = 'greater_high';",
            "} else {",
            "   sm.fill = 'yellow';",
            "   sm.text = 'neutral_range '+msg.payload.value;",
            "}"
        ],
        "greater_high": [
            "sm.fill = 'red';",
            "sm.text = sm.currentState+' '+msg.payload.value;"
        ],
        "less_low": [
            "sm.fill = 'green';",
            "sm.text = sm.currentState+' '+msg.payload.value;"
        ],
        "onAfterTransition": [
            "msg.topic = 'netatmo';",
            "msg.payload = sm.currentState+' co2 = '+msg.payload.value+' ppm';"
        ],
        "status": {
            "fill": {
                "get": "sm.fill;"
            },
            "shape": "dot",
            "text": {
                "get": "sm.text;"
            }
        }
    }
}

Flow:

[{"id":"85a8e75.de99018","type":"inject","z":"57ef434a.058a6c","name":"900","topic":"","payload":"{\"value\": 900}","payloadType":"json","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":90,"y":3080,"wires":[["5c0b9679.49d238"]]},{"id":"8bb567e2.eb33d8","type":"inject","z":"57ef434a.058a6c","name":"1050","topic":"","payload":"{\"value\": 1050}","payloadType":"json","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":90,"y":3000,"wires":[["5c0b9679.49d238"]]},{"id":"fc024b3b.4235c8","type":"debug","z":"57ef434a.058a6c","name":"","active":true,"tosidebar":true,"console":false,"tostatus":true,"complete":"payload","x":430,"y":3080,"wires":[]},{"id":"92878a5f.9c2ad8","type":"inject","z":"57ef434a.058a6c","name":"750","topic":"","payload":"{\"value\": 750}","payloadType":"json","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":90,"y":3120,"wires":[["5c0b9679.49d238"]]},{"id":"69edfb38.7e8754","type":"comment","z":"57ef434a.058a6c","name":"send a notification e.g to pushover","info":"","x":380,"y":3020,"wires":[]},{"id":"5c0b9679.49d238","type":"dsm","z":"57ef434a.058a6c","name":"CO2 level","sm_config":"{\n    \"currentState\": \"neutral_range\",\n    \"states\": {\n        \"low_level\": {\n            \"greater_high\": \"high_level\"\n        },\n        \"high_level\": {\n            \"less_low\": \"low_level\"\n        },\n        \"neutral_range\": {\n            \"greater_high\": \"high_level\",\n            \"less_low\": \"low_level\"\n        }\n    },\n    \"data\": {\n        \"high\": 1000,\n        \"low\": 800\n    },\n    \"methods\": {\n        \"onBeforeTransition\": [\n            \"if(msg.payload.value < sm.data.low) {\",\n            \"   msg.topic = 'less_low';\",\n            \"} else if(msg.payload.value > sm.data.high) {\",\n            \"   msg.topic = 'greater_high';\",\n            \"} else {\",\n            \"   sm.fill = 'yellow';\",\n            \"   sm.text = 'neutral_range '+msg.payload.value;\",\n            \"}\"\n        ],\n        \"greater_high\": [\n            \"sm.fill = 'red';\",\n            \"sm.text = sm.currentState+' '+msg.payload.value;\"\n        ],\n        \"less_low\": [\n            \"sm.fill = 'green';\",\n            \"sm.text = sm.currentState+' '+msg.payload.value;\"\n        ],\n        \"onAfterTransition\": [\n            \"msg.topic = 'netatmo';\",\n            \"msg.payload = sm.currentState+' co2 = '+msg.payload.value+' ppm';\"\n        ],\n        \"status\": {\n            \"fill\": {\n                \"get\": \"sm.fill;\"\n            },\n            \"shape\": \"dot\",\n            \"text\": {\n                \"get\": \"sm.text;\"\n            }\n        }\n    }\n}","x":270,"y":3080,"wires":[["fc024b3b.4235c8"]]},{"id":"e4854e5a.54c0d","type":"inject","z":"57ef434a.058a6c","name":"920","topic":"","payload":"{\"value\": 920}","payloadType":"json","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":90,"y":3040,"wires":[["5c0b9679.49d238"]]}]