If you had any problems with setting up one of these tools, or if you run into any problems during the projects in this book, feel free to open an issue in the repository for this book on GitHub (https://github.com/PacktPublishing/Hands-on-IOT-with-MQTT/issues), and I will do my best to help you to fix it. Installing Mosquitto especially can be tricky at times, even more so on Windows.

Don't be shy! If you have a problem, chances are that another reader also has the same problem. You could find it in the issue list and be presented with a solution. If you do not find a solution to your question, just create a new issue. You will need a GitHub (https://github.com) account to do so.

Also, please have a look at the main page of the repository (https://github.com/PacktPublishing/Hands-on-IOT-with-MQTT). Here, you will find all of the updated information in the...