An Azure IoT Hub D2C Console app that can be activated by TRIGGERcmd to get telemetry from an Azure IoT Hub, forming a speakable string from it and then forwarding it to a Google Nest for enunciation.

This is a work in progress:

• D2C Console app GoogleIoTHubD2C that writes last telemetry send to Azure IoT Hub to temp file.
  • Optional arg: true/false(default true) if true runs app for just the next received telemetry only, false viz.
  • 2Do: Each time app runs it reads all telemetry sent in last 24hrs. Better to have a service locally that serves up last sent msg only. ... later
• Device Simulator Console App simulated-device
  • Optional args: period(default 10sec) deviceconnectionstring
    • deviceconnectionstring: defaults to environment value
    • Can Use dots to use defaults, as place holders
• Extracted single generic telemetry send to class library SendTelemetry2Hub
  • Added simulated-device-local console app that uses it locally.:
    await DeviceSendTelemetryToHub.SendDeviceToCloudMessageAsync(telemetryData, deviceconnectionString);
    • deviceconnectionstring is the Device Connection String for the IOY Hub
    • telemetryData is of dynamic type eg:

    double currentTemperature = minTemperature + rand.NextDouble() * 15;
    double currentHumidity = minHumidity + rand.NextDouble() * 20;

    // Create JSON message
    var telemetryData = new
    {
        temperature = currentTemperature,
        humidity = currentHumidity
    };

• Published lib to Nuget as SendTelemetery2Hub
  • Added simulated-device-nuget console app that uses Nuget package.
    • Optional args: period(default 10sec) deviceconnectionstring
      • deviceconnectionstring: defaults to environment value
      • Can Use dots to use defaults, as place holders
• bme280-device-local Console app that reads telemetry from a BME280 and sends that telemetry.
  • Optional args: period(default 10sec) deviceconnectionstring
    • deviceconnectionstring: defaults to environment value
    • Can Use dots to use defaults, as place holders
  • Typical Circuit
    • More info from line 42 here
• dht22-1-wire-device-local Console app that reads telemetry from a DHT22 1-Wire and sends that telemetry
  • Optional args: period(default 10sec) deviceconnectionstring dht22Gpio(default 26)
    • deviceconnectionstring: defaults to environment value
    • Can Use dots to use defaults, as place holders
  • Typical circuit
    • Nb: In that diagram to pinouts are Pwr-Signal-nc-Gnd Pwr = 5V
    • On my (red) device they are Gnd-Pwr-Signal I use Pwr = 3.3V
• bme280 is now option 31 for djaus2/DNETCoreGPIO
  • Parameters there are: 31 . <Period> <DeviceConnectionString>
  • The second parameter is a dot as a place holder as bme280 doesn't use GPIO. It uses I2C.
• Integrations with Triggercmd
  • Coming