Internet of Things

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 […]

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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 […]

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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 […]

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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 […]

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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 […]

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Maurice Kalinowski

Serialization in and with Qt

Published Thursday May 31st, 2018 | 17 Comments on Serialization in and with Qt
Posted in Automation, Dev Loop, Embedded, Internet of Things | Tags: , , ,

In our first part of this series, we looked at how to set up messages, combine them, and reduce their overhead in the context of telemetry sensors. This part focuses on the payload of messages and how to optimize them. There are multiple methods to serialize an object with Qt. In part one, we used […]

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QtKNX updates for 5.11

Published Friday May 18th, 2018 | 2 Comments on QtKNX updates for 5.11
Posted in Automation, Embedded, Internet of Things, Network, Uncategorized | Tags: ,

It has been a while since our last KNX development blog post, so we would like to give you a quick glance into some of the updates in QtKNX that are coming with the 5.11 release. API improvements One of the main improvements in this update was making Qt KNX’s object introspection and construction more […]

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Iris Yamashita

New Qt Resource Center is Available Now…And the Secrets Are Out!

Published Tuesday April 10th, 2018 | 3 Comments on New Qt Resource Center is Available Now…And the Secrets Are Out!
Posted in Biz Circuit, Internet of Things, Learning, Qt in use, Uncategorized | Tags: ,

The New Qt Resource Center is available now, featuring the latest technology and development insights, videos, get started tutorials, industry case studies and much more! We collected all of our favorite learning resources in one place to provide you with the ability to get applications and embedded systems created quickly from hello world to new product. From cool tips like creating […]

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Dries Verbrugge

Qt used to demonstrate KNX IoT possibilities at ISE and L+B fairs

Published Thursday March 15th, 2018 | 1 Comment on Qt used to demonstrate KNX IoT possibilities at ISE and L+B fairs
Posted in Biz Circuit, Embedded, Internet of Things | Tags: ,

KNX Introduction In its more than 25 years of history, KNX has an unrivaled track record of guaranteeing long-term support of automation solutions in any type of building. Based on the KNX standard, building automation can be realized in a reliable, interoperable and extendable way: devices from over 400 manufacturers work together in a very […]

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michaelzanetti

Boost your IoT Device with Qt

Published Tuesday January 30th, 2018 | 1 Comment on Boost your IoT Device with Qt
Posted in Automation, Biz Circuit & Dev Loop, Embedded, Guest Blog, Internet of Things

Here at guh GmbH, the creators of the IoT platform nymea, we have been using Qt since right from the start. You may think: it seems an odd choice to use Qt for a device with no UI requirements but just middleware components basically invisible to the user. Let me explain why this definitely isn’t the case. […]

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