Internet of Things

Maurice Kalinowski

Using Docker to test Qt for WebAssembly

Published Tuesday March 5th, 2019 | 22 Comments on Using Docker to test Qt for WebAssembly
Posted in Automation, Cloud, Dev Loop, Internet of Things, Uncategorized | Tags: , , ,

There has been lots of excitement around WebAssembly and more specifically Qt for WebAssembly recently. Unfortunately, there are no snapshots available yet. Even if there are, you need to install a couple of requirements locally to set up your development environment. I wanted to try it out and the purpose of this post is to […]

Read More
Maurice Kalinowski

MQTT version 5 updates and how they apply to Qt MQTT

Published Tuesday February 26th, 2019 | Comments Off on MQTT version 5 updates and how they apply to Qt MQTT
Posted in Automation, C++, Dev Loop, Internet of Things | Tags: , , , ,

Previously I have been writing about how topics in messages can have a significant impact on the amount of data for publishing via MQTT. Since then the MQTT version 5 standard has been released and first implementations are available. Naturally, Qt MQTT follows along and this post will reflect how new features in the standard are […]

Read More
Mikhail Svetkin

QtHttpServer routing API

Published Friday February 1st, 2019 | 25 Comments on QtHttpServer routing API
Posted in Automation, C++, Dev Loop, Embedded, Internet of Things, Labs | Tags: , ,

Hi everybody. First of all, I want to say thank you for all of you for the comments to the previous blog post. Today, I’m going to talk about routing, how it works, and how we implement it. Before I start, I want to clarify something. We’ve looked at many projects on GitHub, written in […]

Read More
Iris Yamashita

Qt Virtual Tech Summit Registration is Open!

Published Tuesday January 29th, 2019 | 2 Comments on Qt Virtual Tech Summit Registration is Open!
Posted in Assembly, Automation, Automotive, Biz Circuit, Biz Circuit & Dev Loop, desktop, Dev Loop, Embedded, Events, Internationalization, Internet of Things, Learning, Medical, Qt Design Studio, Qt for Python, Qt Quick, Qt Quick 2, Qt World Summit, QtCreator, Roadmap, Tutorial, UI, Uncategorized

Did you miss Qt World Summit 2018? Fear not. On 12-14 February, the Qt Virtual Tech Summit and Qt experts will be sharing insights in a free online event to equip you with the tools and skills you need to build connected devices, UIs, and applications in 2019 and beyond. Secure your seat today for […]

Read More
Jesús Fernández

Introducing the Qt Http Server

Published Friday January 25th, 2019 | 57 Comments on Introducing the Qt Http Server
Posted in Automation, C++, Dev Loop, Embedded, HTML vs Qt, Internet, Internet of Things, Labs | Tags: ,

First things first, Happy new year dear Qt users! I’m sorry, I’m really late 🙁 Some time ago we decided to avoid repeating the same tedious code to write our own “Simple” Http Servers. So we started writing a Qt HTTP server with several essential features. The word simple is quoted because something planned to […]

Read More

QtKnx: tutorial and updates

Published Wednesday November 28th, 2018 | Comments Off on QtKnx: tutorial and updates
Posted in Automation, Embedded, Internet of Things, Network | Tags: ,

In this tutorial we will demonstrate how to write a KNX client requesting a local device management procedure to a KNX server. We will be using the QtKnx module that comes with the Automation package. Sequence diagram The following diagram presents the sequence of KNX messages exchanged between the client and the server. The third message in the […]

Read More
Juha Varelius

Measuring The Impact of Qt on Your Business

Published Monday October 15th, 2018 | 2 Comments on Measuring The Impact of Qt on Your Business
Posted in Announcements, Automation, Automotive, Biz Circuit, Embedded, Internet of Things | Tags: , ,

Today, I wanted to talk to you about a recently conducted Total Economic Study for commercial customers of Qt by Forrester Consulting. Please find the report here. In many ways, Qt has been ahead of its time. Its ability to work on basically anything now truly shines as the Internet of Things (or “Internet of […]

Read More
Maurice Kalinowski

Integrating Cloud Solutions with Qt

Published Friday June 22nd, 2018 | Comments Off on Integrating Cloud Solutions with Qt
Posted in Dev Loop, Embedded, Internet of Things

Welcome to the final installment of our Qt for Automation blog mini-series. If you missed the previous articles, please have a look at Lars’ blog post, where you can find an overview of all the topics (remote UIs, optimizing device communication, and more) we’ve covered. These days, using the cloud for predictive maintenance, analytics or […]

Read More
Michael Winkelmann

Remote UIs with WebGL and WebAssembly

Published Tuesday June 12th, 2018 | 4 Comments on Remote UIs with WebGL and WebAssembly
Posted in Automation, Dev Loop, Internet of Things, WebGL | Tags: , ,

A frequently requested feature by Qt customers is the possibility to access, view and use a Qt-made UI remotely. However, in contrast to web applications, Qt applications do not offer remote access by nature as communication with the backend usually happens via direct functions call and not over socket-based protocols like HTTP or WebSockets. But […]

Read More
Maurice Kalinowski

Building a Bridge from Qt to DDS

Published Wednesday June 6th, 2018 | 4 Comments on Building a Bridge from Qt to DDS
Posted in Automation, Dev Loop, Embedded, Internet of Things | Tags: ,

In our previous posts, we looked into various aspects of using Qt in a telemetry scenario. Part one focused on reducing message overhead, while part two was about serialization. To demonstrate a typical IoT scenario, we used MQTT as a protocol and the Qt MQTT module available in Qt for Automation. However, the landscape of […]

Read More
Get started today with Qt Download now