[
    {
        "id": "d752e739.4cfbd8",
        "type": "comment",
        "z": "9c3b70b.7f4189",
        "name": "Lliçó 3.16",
        "info": "Aquest és un exemple de la tercera lliçó.\n\nwiki.binefa.cat\n",
        "x": 300,
        "y": 640,
        "wires": []
    },
    {
        "id": "6f07e0fb.a6195",
        "type": "inject",
        "z": "9c3b70b.7f4189",
        "name": "",
        "topic": "",
        "payload": "Un text qualsevol",
        "payloadType": "str",
        "repeat": "",
        "crontab": "",
        "once": false,
        "x": 350,
        "y": 680,
        "wires": [
            [
                "862b59d9.4e8338"
            ]
        ]
    },
    {
        "id": "a6750310.ebc11",
        "type": "debug",
        "z": "9c3b70b.7f4189",
        "name": "En base64",
        "active": true,
        "console": "false",
        "complete": "payload",
        "x": 850,
        "y": 680,
        "wires": []
    },
    {
        "id": "862b59d9.4e8338",
        "type": "function",
        "z": "9c3b70b.7f4189",
        "name": "A base64 (UTF8 -> Base64)",
        "func": "var b = new Buffer(msg.payload);\nmsg.payload = b.toString('base64');\n\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "x": 600,
        "y": 680,
        "wires": [
            [
                "a6750310.ebc11",
                "d5999c30.e5cdc",
                "fb4aa701.a70ec8"
            ]
        ]
    },
    {
        "id": "d5999c30.e5cdc",
        "type": "function",
        "z": "9c3b70b.7f4189",
        "name": "Des de base64 (Base64 -> UTF-8)",
        "func": "var b = new Buffer(msg.payload, 'base64');\nmsg.payload = b.toString();\n\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "x": 580,
        "y": 740,
        "wires": [
            [
                "e0bd0693.10c398"
            ]
        ]
    },
    {
        "id": "e0bd0693.10c398",
        "type": "debug",
        "z": "9c3b70b.7f4189",
        "name": "Descodificat",
        "active": true,
        "console": "false",
        "complete": "payload",
        "x": 850,
        "y": 740,
        "wires": []
    },
    {
        "id": "e7910218.cf942",
        "type": "function",
        "z": "9c3b70b.7f4189",
        "name": "HEX -> UTF8",
        "func": "var b = new Buffer(msg.payload, 'hex')\nmsg.payload = b.toString('utf8');\n\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "x": 640,
        "y": 860,
        "wires": [
            [
                "efa5d9d9.14cbf8"
            ]
        ]
    },
    {
        "id": "fb4aa701.a70ec8",
        "type": "function",
        "z": "9c3b70b.7f4189",
        "name": "Base64 -> HEX",
        "func": "var b = new Buffer(msg.payload, 'base64')\nmsg.payload = b.toString('hex');\n\nreturn msg;\n",
        "outputs": 1,
        "noerr": 0,
        "x": 640,
        "y": 800,
        "wires": [
            [
                "e7910218.cf942",
                "d86fcb28.d0e768"
            ]
        ]
    },
    {
        "id": "d86fcb28.d0e768",
        "type": "debug",
        "z": "9c3b70b.7f4189",
        "name": "En hexadecimal",
        "active": true,
        "console": "false",
        "complete": "payload",
        "x": 850,
        "y": 800,
        "wires": []
    },
    {
        "id": "efa5d9d9.14cbf8",
        "type": "debug",
        "z": "9c3b70b.7f4189",
        "name": "HEX a String",
        "active": true,
        "console": "false",
        "complete": "payload",
        "x": 840,
        "y": 860,
        "wires": []
    }
]