mBlock

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "mBlock",
    "description": "",
    "version": "1.0.3",
    "manifest_version": 2,
    "permissions": [
        "serial",
        "background",
        "usb",
        {
            "usbDevices": [
                {
                    "vendorId": 1046,
                    "productId": 65535
                }
            ]
        }
    ],
    "app": {
        "background": {
            "scripts": [
                "common.js",
                "index.js"
            ]
        }
    },
    "sockets": {
        "tcp": {
            "connect": [
                "192.168.100.1:8084"
            ]
        },
        "tcpServer": {
            "listen": "192.168.100.1:8084"
        }
    },
    "externally_connectable": {
        "matches": [
            "*:\/\/editor.makeblock.com\/*",
            "*:\/\/education.makeblock.com\/*",
            "*:\/\/education.test.makeblock.com\/*",
            "*:\/\/localhost\/*",
            "*:\/\/45.79.97.129\/*",
            "*:\/\/119.23.129.206\/*"
        ]
    },
    "icons": {
        "16": "calculator-16.png",
        "128": "calculator-128.png"
    }
}