Me and My Arduino

Introduction

The more I learn about MQTT, the more intrigued I become. I recently purchased an Arduino Starter Kit containing an Arduino Uno R3, a book with 15 projects, and a variety of sensors, resistors, LEDs and more. I'm anxious to develop an MQTT project and thought it best to start with minimal investment at this time.

A quick search of the Library Manager suggests several MQTT libraries are available:

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Arduino IDE

Visit the Arduino Software page to download the stable (1.8.19), latest release candidate (2.0.0-rc9.3) or nightly builds.

I highly recommend downloading the Arduino IDE 2.0.0 (rc9.3) directly from the Arduino.cc website. As part of the installation process, you will be prompted to provide permission to download libraries to your machine as well, and there are many of them.

Version 2.0.0 is more intuitive and user friendly.

Getting Started - arduino.cc/starterkit

Arduino Software - Downloads

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Windows Security

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Windows in Store App

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![image.png](cdn.hashnode.com/res/hashnode/image/upload/.. align="center"

WiFi101/WiFiNINA Firmware/Certificates Updater

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Troubleshooting

I plugged in my Arduino using the USB port and attempted to connect only to receive this error: "Board at null is not available."

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Device Manager Windows > Control Panel > Device Manager

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Clicking on the Arduino Uno (COM3)

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ERRORS!

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Right Click and Update the Drivers. Close all windows, reboot your machine.

It worked!

Libraries

arduino.cc/en/Guide/Libraries

Code Online -

arduino.cc/en/Guide

arduino.cc/reference/en/libraries/mqtt

Documentation (GitHub)

Getting Help

-Arduino Programming Environment (IDE)

Industry 4.0

Industrial scale

Purchasing Arduino Products

You will be pleased to learn that you can order directly from the Arduino site, and you can choose your shipping country. As for me, it's good to know Arduino Online Shop ships to Canada!

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My Hardware

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