device_config.sample.json

{
  "brain": {
    "freeMemRatio": 0.01,
    "powerStatus": null,
    "dataPath": "data",
    "wifiConfigPath": null,
    "mockQR": null
  },
  "wifi": {
    "wpa": {
      "socket": null
    }
  },
  "id003": {
    "rs232": {
      "device": null
    }
  },
  "billDispenser": {
    "device": null
  }
}