Youtube

[
    {
        "id": "a406753ae31eae57",
        "type": "group",
        "z": "54b42d8d.cda474",
        "style": {
            "stroke": "#999999",
            "stroke-opacity": "1",
            "fill": "none",
            "fill-opacity": "1",
            "label": true,
            "label-position": "nw",
            "color": "#a4a4a4"
        },
        "nodes": [
            "f0f17299.3736c",
            "dc7878f9.4756c8",
            "f234aae371d72680",
            "555bb8624b88c9c3",
            "69c388146e28049d",
            "a349ade5a57f7537"
        ],
        "x": 34,
        "y": 39,
        "w": 892,
        "h": 122
    },
    {
        "id": "f0f17299.3736c",
        "type": "inject",
        "z": "54b42d8d.cda474",
        "g": "a406753ae31eae57",
        "name": "",
        "props": [],
        "repeat": "600",
        "crontab": "",
        "once": true,
        "onceDelay": 0.1,
        "topic": "",
        "x": 130,
        "y": 120,
        "wires": [
            [
                "a349ade5a57f7537"
            ]
        ]
    },
    {
        "id": "dc7878f9.4756c8",
        "type": "http request",
        "z": "54b42d8d.cda474",
        "g": "a406753ae31eae57",
        "name": "",
        "method": "GET",
        "ret": "obj",
        "paytoqs": "query",
        "url": "https://youtube.googleapis.com/youtube/v3/channels",
        "tls": "",
        "persist": false,
        "proxy": "",
        "insecureHTTPParser": false,
        "authType": "",
        "senderr": false,
        "headers": [],
        "x": 410,
        "y": 120,
        "wires": [
            [
                "f234aae371d72680"
            ]
        ]
    },
    {
        "id": "f234aae371d72680",
        "type": "function",
        "z": "54b42d8d.cda474",
        "g": "a406753ae31eae57",
        "name": "parser",
        "func": "var json = msg.payload;\nvar subscriberCount = json.items[0].statistics.subscriberCount;\n\nmsg.payload = {\"text\": subscriberCount, \"icon\": \"youtube\"};\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 590,
        "y": 120,
        "wires": [
            [
                "555bb8624b88c9c3"
            ]
        ]
    },
    {
        "id": "555bb8624b88c9c3",
        "type": "mqtt out",
        "z": "54b42d8d.cda474",
        "g": "a406753ae31eae57",
        "name": "",
        "topic": "awtrix/custom/youtube",
        "qos": "",
        "retain": "",
        "respTopic": "",
        "contentType": "",
        "userProps": "",
        "correl": "",
        "expiry": "",
        "broker": "346df2a95aac5785",
        "x": 800,
        "y": 120,
        "wires": []
    },
    {
        "id": "69c388146e28049d",
        "type": "comment",
        "z": "54b42d8d.cda474",
        "g": "a406753ae31eae57",
        "name": "Youtube Follower",
        "info": "Just enter your Youtube API key and channelID and set your AWTRIX MQTT prefix. ",
        "x": 140,
        "y": 80,
        "wires": []
    },
    {
        "id": "a349ade5a57f7537",
        "type": "function",
        "z": "54b42d8d.cda474",
        "g": "a406753ae31eae57",
        "name": "Data",
        "func": "msg.payload = { \"id\": \"XXXX\", \"key\": \"XXXX\", \"part\":\"statistics\"}\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 270,
        "y": 120,
        "wires": [
            [
                "dc7878f9.4756c8"
            ]
        ]
    },
    {
        "id": "346df2a95aac5785",
        "type": "mqtt-broker",
        "name": "",
        "broker": "localhost",
        "port": "1883",
        "clientid": "",
        "autoConnect": true,
        "usetls": false,
        "protocolVersion": "4",
        "keepalive": "60",
        "cleansession": true,
        "birthTopic": "",
        "birthQos": "0",
        "birthPayload": "",
        "birthMsg": {},
        "closeTopic": "",
        "closeQos": "0",
        "closePayload": "",
        "closeMsg": {},
        "willTopic": "",
        "willQos": "0",
        "willPayload": "",
        "willMsg": {},
        "userProps": "",
        "sessionExpiry": ""
    }
]

These icons belong on the device, in /ICONS. Each one is at most 32×8 pixels — shown here magnified, at their real proportions.