Nuvoton NuMicro NuMaker-IoT-M487 Guía de inicio rápido

Connect NuMaker-IoT-M487 device

to your Azure IoT services

Table of Contents

Introduction

Prerequisites

Prepare the Device.

Integration with Azure IoT Explorer

Connect to Azure IoT Central

Additional information

Additional Links

Introduction

About this document

This document describes how to connect NuMaker-IoT-M487 to Azure IoT

Hub using the Azure IoT Explorer with certified device application and device

models.

IoT Plug and Play certified device simplifies the process of building devices

without custom device code. Using Solution builders can integrate quickly

using the certified IoT Plug and Play enabled device based on Azure IoT

Central as well as third-party solutions.

This getting started guide provides step by step instruction on getting the

device provisioned to Azure IoT Hub using Device Provisioning Service (DPS)

and using Azure IoT Explorer to interact with device's capabilities.

The NuMaker-IoT-M487 development board integrates common components

and built-in multi-axis sensor. It also provides compatible Arduino UNO and

mikroBUS™ interfaces, which means GPIO, UART, ADC, PWM, SPI, I2C, etc. can

be connected. The built-in Nuvoton NuMaker Brick I2C interface is also

available. A unique simulated image sensor interface can connect to the CMOS

image sensor to capture image for analysis. Combined with the NAU88L25

audio codec, the development board provides high-quality recording and

playback. The external SPI Flash and microSD card socket provide additional

data storage.

NuMaker-IoT-M487 provides multiple networking, interfaces, image sensing,

audio recording, playback functions, and flexible extended data storage.

Whether you need a sensor node or a light-weight gateway, the

NuMaker-IoT-M487 is an ideal choice for IoT applications.

Prerequisites

You should have the following items ready before beginning the process:

Azure Account

Azure IoT Hub Instance

Azure IoT Hub Device Provisioning Service

Azure IoT Public Model Repository

Prepare the Device.

Development Environmental setup

IoT Plug and Play Certification is certifying specific device code

implementation against specific device model. Device builders should either

pre-install device code or make the binary download-able.

NuMaker-IoT-M487 is a development board with onboard Ethernet and WiFi

module. The following figure shows each part of the hardware resources on

this board.

1. Features implemented of the device

Telemetry data acceleration of X/Y/Z sent from multi-axis sensor

Telemetry data temperature sent from multi-axis sensor

Telemetry data sent from button

LED control

Reported device information

Reboot command

2. Power supply by USB cable

3. Configure connecting with IoT Hub via DPS in mbed_app.json, set DPS

parameters as below (Note : DPS ID scope should be configured w/o

recompiling the embedded code)

mbed_app.json:

4. Configure device network interface over Wifi or Ethernet.

Ethernet: Need no further configuration.

WiFi: Configure WiFi SSID/PASSWORD

mbed_app.json:

5. To install compiler toolchain for Mbed CLI from

https://os.mbed.com/docs/mbed-os/v6.5/build-tools/install-and-set-up

.html

6. To build the code on NUMAKER_IOT_M487 target and ARM toolchain:

Target ARMCC tool chain:

$ mbed compile –m NUMAKER_IOT_M487 –t ARM

Target GCC tool chain:

$ mbed compile –m NUMAKER_IOT_M487 –t GCC_ARM

7. Flash by drag-n-drop'ing the built image file below

onto NuMaker-IoT-M487 board

BUILD/NUMAKER_IOT_M487/ARM/NuMaker-mbed-Azure-IoT-CSDK-PnP-example.b

Integration with Azure IoT Explorer

Connect the IoT Plug and Play device with Azure IoT Explorer

1. Click Add connection and provide IoT hub connection string.

2. Click View devices in this hub to list registered devices.

3. Click target device to interact with.

4. Click IoT Plug and Play components to interact with

5. On failure to find IoT Plug and Play model file, configure the path for it.

6. Then you can find Default, BMX055, and DeviceInformation

components to interact with.

Property

Go to DeviceInformation component, On Properties (read-only) tab,

you would see device information of the device.

Go to Default component. On Properties (writable) tab, you can turn

on/off LED and check the corresponding result on the device.

Telemetry

Go to Default component. On Telemetry tab, click Start. After a few

seconds, you would see buttons1/2 state (0/1 for un-pressed/pressed).

Go to BMX055 component. On Telemetry tab, click Start. After a few

seconds, you would see Acceleration stream data.

Command

Go to Default component. On Command tab, you can reboot the device after

e.g. 5s.

Connect to Azure IoT Central

Connect the IoT Plug and Play device with Azure IoT Central

1. Click Devices label and press New to prompt Create a new device window

in Azure IoT Central web page.

2. Click Create to generate one device.

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