| services | platforms | author |
|---|---|---|
iot-hub, iot-central |
Nodejs |
rickb |
This utilizes the Azure IoT Node.js SDK to connect to a weather API and will send weather data as telemetry to Azure IoT.
In a connect.json file, you'll need to provide the idScope, deviceId, and connection key that are displayed when you select "Connect" from the device view inside of IoT Central
{ "idScope" : "0ne00000000", "deviceId" : "MyPiface", "symmetricKey" : "z11uz4E35gO0Z9uI0PYcVm/twUyAm/iJovuMk8A2xpo=", }
In the connect.json file, you'll also need to provide an free API key for the OpenWeatherMap API service. This can be obtained via the following link: https://home.openweathermap.org/users/sign_up.
"apiKey" : ""
In the config.json file, you specify the interval in milliseconds to specify how frequently weather values will be sent to Azure IoT. Note that weather data from this API does not change frequently (it is not real time), so intervals such as 5, 10, or 15 minutes will be optimal.
"interval": 300000
On the server side, in IoT Central, configure a "setting" with the property names "postalCode" and "countryCode", which correspond to the weather location to be monitored. When this connector starts up, it will request that information from Azure IoT. Refer to the OpenWeatherMap API documentation for a list of two character country codes.
Launch index.js to execute this connector.
This connector allows you to acquire weather information for a specific location and send that information to Azure IoT Central for display, rules, and analysis. It will send barometric pressure, temperature, humidity, wind speed, and wind direction, though it could easily be modified/enhanced to send more data.