tbrushwyler/iot-demo

services	platforms	author
iot-hub, iot-suite	Nodejs	ZhijunZhao

Send device-to-cloud messages

This sample repo accompanies Lesson 3: Send device-to-cloud messages lesson. It shows how to send messages from a Raspberry Pi 3 device to Azure IoT hub. It also demonstrates how to use an Azure function app to receive incoming IoT hub messages and persist them to Azure table storage.

Prerequisites

See Lesson 3: Send device-to-cloud messages for more information.

Repository information

• app sub-folder contains the sample Node.js application that sends device-2-cloud messages.
• arm-template.json is the ARM template containing an Azure function app and a storage account.
• arm-template-param.json file is the configuration file used by the ARM template.
• ReceiveDeviceMessages sub-folder contains Node.js code for the Azure function.

Running this sample

Please follow the Lesson 3: Send device-to-cloud messages for detailed walkthrough of the steps below.

Deploy and run

Install required npm packages on the host:

npm install

Create a JSON configuration file in the .iot-hub-getting-started sub-folder of the current user's home directory:

gulp init

Install required tools/packages on the Raspberry Pi 3 device, deploy sample application, and run it on the device:

gulp install-tools
gulp deploy
gulp run

Run the sample application on the device and read messages persisted in the Azure storage:

gulp run --read-storage