[
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        "type": "tab",
        "id": "6099285d.9f66d8",
        "label": "Tutorial1"
    },
    {
        "type": "tab",
        "id": "ebe7946c.141868",
        "label": "Tutorial2"
    },
    {
        "type": "tab",
        "id": "206a4ad5.df95b6",
        "label": "Makerspace"
    },
    {
        "type": "tab",
        "id": "17070e01.e8f8f2",
        "label": "Sheet 1"
    },
    {
        "type": "tab",
        "id": "14b8e8e5.eb4717",
        "label": "prototyper"
    },
    {
        "type": "tab",
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        "label": "node1"
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                "wires": []
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        "type": "mqtt-broker",
        "broker": "space.makerspaceleiden.nl",
        "port": "1883",
        "clientid": "node1.aiko.sh"
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    {
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        "type": "arduino-board",
        "device": "/dev/ttyUSB0"
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        "type": "mqtt-broker",
        "broker": "node1.aiko.sh",
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        "clientid": ""
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        "type": "websocket-listener",
        "path": "/ws/stations",
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        "type": "mqtt-broker",
        "broker": "node1.aiko.sh",
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        "clientid": "node-red"
    },
    {
        "id": "933109d6.6ccef8",
        "type": "inject",
        "name": "",
        "topic": "",
        "payload": "",
        "payloadType": "date",
        "repeat": "",
        "crontab": "",
        "once": false,
        "x": 107,
        "y": 51,
        "z": "6099285d.9f66d8",
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        "y": 25,
        "z": "6099285d.9f66d8",
        "wires": []
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        "type": "function",
        "name": "",
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        "outputs": 1,
        "valid": true,
        "x": 362,
        "y": 214,
        "z": "6099285d.9f66d8",
        "wires": [
            [
                "7db4644.f824b9c"
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    {
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        "type": "inject",
        "name": "",
        "topic": "",
        "payload": "",
        "payloadType": "date",
        "repeat": "",
        "crontab": "",
        "once": false,
        "x": 98,
        "y": 71,
        "z": "ebe7946c.141868",
        "wires": [
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        ]
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    {
        "id": "7839bcb9.87c644",
        "type": "http request",
        "name": "",
        "method": "GET",
        "ret": "txt",
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        "x": 255,
        "y": 334,
        "z": "ebe7946c.141868",
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        "valid": true,
        "x": 437,
        "y": 549,
        "z": "ebe7946c.141868",
        "wires": [
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                "e6ac0ba4.1953f8",
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        "z": "ebe7946c.141868",
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        "y": 673,
        "z": "ebe7946c.141868",
        "wires": []
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        "type": "debug",
        "name": "",
        "active": true,
        "console": "false",
        "complete": "payload",
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        "y": 88,
        "z": "206a4ad5.df95b6",
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        "z": "ebe7946c.141868",
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        "active": true,
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        "y": 196,
        "z": "17070e01.e8f8f2",
        "wires": []
    },
    {
        "id": "4c3e5d60.b3c1a4",
        "type": "http request",
        "name": "version",
        "method": "GET",
        "ret": "obj",
        "url": "https://uat-opscentre.informaat-cxp.com/version",
        "x": 397,
        "y": 221,
        "z": "17070e01.e8f8f2",
        "wires": [
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    },
    {
        "id": "7fde5375.8021ac",
        "type": "inject",
        "name": "",
        "topic": "",
        "payload": "",
        "payloadType": "date",
        "repeat": "",
        "crontab": "",
        "once": false,
        "x": 200,
        "y": 140,
        "z": "17070e01.e8f8f2",
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        "z": "17070e01.e8f8f2",
        "wires": []
    },
    {
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        "y": 483,
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        "y": 422,
        "z": "6099285d.9f66d8",
        "wires": []
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    {
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        "type": "debug",
        "name": "",
        "active": true,
        "console": "false",
        "complete": "true",
        "x": 600,
        "y": 598,
        "z": "6099285d.9f66d8",
        "wires": []
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    {
        "id": "959b1dd0.6a64e",
        "type": "discovery",
        "name": "AFP sources",
        "topic": "",
        "service": "_afpovertcp._tcp",
        "x": 184,
        "y": 771,
        "z": "6099285d.9f66d8",
        "wires": [
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        "type": "comment",
        "name": "AVAHI notes",
        "info": "* https://github.com/agnat/node_mdns/issues/104\n* http://www.noah.org/wiki/Avahi_Notes",
        "x": 185,
        "y": 808,
        "z": "6099285d.9f66d8",
        "wires": []
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    {
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        "type": "comment",
        "name": "NAS snmp",
        "info": "* http://ukdl.synology.com/download/Document/MIBGuide/Synology_DiskStation_MIB_Guide.pdf",
        "x": 267,
        "y": 519,
        "z": "6099285d.9f66d8",
        "wires": []
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    {
        "id": "890dc688.76f238",
        "type": "arduino out",
        "name": "",
        "pin": "13",
        "state": "OUTPUT",
        "arduino": "",
        "x": 732,
        "y": 318.0000047683716,
        "z": "2cd412cc.d32bee",
        "wires": []
    },
    {
        "id": "65fd2a77.9a02d4",
        "type": "inject",
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        "topic": "",
        "payload": "",
        "payloadType": "date",
        "repeat": "0.5",
        "once": false,
        "x": 339.00000762939453,
        "y": 218,
        "z": "2cd412cc.d32bee",
        "wires": [
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        "valid": true,
        "x": 521.0000038146973,
        "y": 268.9999895095825,
        "z": "2cd412cc.d32bee",
        "wires": [
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        "name": "",
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        "z": "17070e01.e8f8f2",
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        "wires": []
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        "id": "7745e2fd.88ba1c",
        "type": "http request",
        "name": "",
        "method": "GET",
        "url": "http://api.bart.gov/api/stn.aspx?cmd=stns&key=MW9S-E7SL-26DU-VV8V",
        "x": 425,
        "y": 639,
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    {
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        "type": "template",
        "name": "",
        "field": "payload",
        "format": "html",
        "template": "<!DOCTYPE html>\n<html>\n  <head>\n    <meta name=\"viewport\" content=\"initial-scale=1.0, user-scalable=no\">\n    <meta charset=\"utf-8\">\n    <title>Bart Stations</title>\n    <style>\n      html, body, #map-canvas {\n        height: 100%;\n        margin: 0px;\n        padding: 0px\n      }\n    </style>\n    <script src=\"https://maps.googleapis.com/maps/api/js?v=3.exp\"></script>\n    <script>\n\t\tfunction initialize() {\n\t\t  var myLatlng = new google.maps.LatLng(37.765062,-122.419694);\n\t\t  var mapOptions = {\n\t\t    zoom: 10,\n\t\t    center: myLatlng\n\t\t  };\n\t\t  var map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);\n\t\t  \n\t\t  var loc = window.location;\n          if (loc.protocol === \"https:\") {\n            newUri = \"wss:\";\n          } else {\n            newUri = \"ws:\";\n          }\n          newUri += \"//\" + loc.host + \"/ws/stations\";\n\t\t  \n\t\t  \n\t\t  var sock = new WebSocket(newUri);\n\t\t  sock.onopen = function(){ \n\t\t    console.log(\"Connected websocket\");\n\t\t    console.log(\"Sending ping..\");\n\t\t\tsock.send(\"Ping!\");\n\t\t    console.log(\"Ping sent..\");\n\t\t  };\n\t\t  sock.onerror = function(){ console.log(\"Websocket error\"); };\n\t\t  sock.onmessage = function(evt){\n\t\t    var stationData = JSON.parse(evt.data);\n\t\t    var stations = stationData.root.stations[0].station;\n\t\t\tfor(var i = 0; i < stations.length; i++) {\n\t\t\t  var station = stations[i];\n              var marker = new google.maps.Marker({\n\t\t\t    position: new google.maps.LatLng(station.gtfs_latitude[0],station.gtfs_longitude[0]),\n\t\t\t    map: map,\n\t\t\t    animation: google.maps.Animation.DROP,\n\t\t\t    title: station.name[0]\n\t\t\t  });\n\t\t\t  \n\t\t\t}\n\t\t  };\n\t\t};\n\t\t\n\t\tgoogle.maps.event.addDomListener(window, 'load', initialize);\n\n    </script>\n  </head>\n  <body>\n    <div id=\"map-canvas\"></div>\n  </body>\n</html>",
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        "payloadType": "none",
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        "crontab": "",
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        "addpay": true,
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