Set connectionString in SimulatedDevice.js to connection string for the device named simulated.
Set interval time in SimulatedDevice.js (currently one msg per second).
Install project
npm install
Run simulator
node SimulatedDevice.js
Go to igss-iothub - IoT Devices and open device simulated.
Use the connection string primary which looks like
HostName=igss-iothub.azure-devices.net;DeviceId=simulated;SharedAccessKey=<accessKey>