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Maurice Kalinowski

Optimizing Device Communication with Qt MQTT

Published Wednesday May 16th, 2018 | 5 Comments on Optimizing Device Communication with Qt MQTT
Posted in Automation, Dev Loop, Embedded | Tags: , ,

Qt for Automation has been launched in conjunction with Qt 5.10 as an AddOn to Qt for Application Development or Qt for Device Creation. One module in that offering is our client-side solution for MQTT called Qt MQTT. Qt MQTT focusses on the client side, helping developers to create sensor devices and or gateways managing […]

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Tuukka Turunen

Code contributions via bug reports and forum posts

Published Wednesday May 16th, 2018 | 1 Comment on Code contributions via bug reports and forum posts
Posted in Contributors, Dev Loop, Licensing, Open Governance, Qt Project

Contribution of source code is now allowed via Qt systems such as bug reports and forums. Traditionally all source code contributions to the Qt Project are governed via Contribution License Agreement (CLA), except possibility given to the commercial license holders to provide bug fixes and similar small modifications that The Qt Company has pushed into Qt. […]

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Frank Meerkötter

OPC UA support in Qt 5.11

Published Wednesday May 16th, 2018 | 4 Comments on OPC UA support in Qt 5.11
Posted in Automation, Dev Loop, Embedded | Tags: , ,

OPC UA is a central element of the Industry 4.0 story providing seamless communication between IT and industrial production systems. basysKom has initiated Qt OPC UA in 2015 with the goal of providing an out of the box Qt API for OPC UA. In 2017 basysKom, together with The Qt Company, has finished up a […]

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Tero Kojo

Calling all contributors!

Published Monday May 14th, 2018 | Comments Off on Calling all contributors!
Posted in Dev Loop

One month to go till Qt Contributors’ Summit in Oslo! The dates are June 11-12. If you haven’t yet, now is the time to register! There will be two intense days of discussions and work on the future of Qt. Anyone who has an interest and has in some way had an influence on the […]

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QML and Qt for Python interaction

Published Monday May 14th, 2018 | 7 Comments on QML and Qt for Python interaction
Posted in Qt for Python

Besides QtWidgets for desktop applications, Qt has another UI technology, QML. Today, I would like to show how QML interacts with Qt for Python, roughly based on the tutorial example declarative/extending/chapter3-bindings. First, let’s have a look at the typical boiler plate code for loading a .qml file. We instantiate a QGuiApplication and a QQuickView. We set […]

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Lars König

Qt for Automation Blog Series

Published Wednesday May 9th, 2018 | 1 Comment on Qt for Automation Blog Series
Posted in Automation, Biz Circuit, Embedded | Tags: , , , , , ,

Greetings! It’s not a big secret that both the industrial and infrastructure sectors will be far more automated in the future. The main trends that drive this movement are the ubiquitous Digital Transformation, as well as standardization within the industry 4.0 and upcoming industrial IoT technologies. Side note: if you’d like to learn more about […]

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Eirik Aavitsland

Compressed Textures in Qt 5.11

Published Monday May 7th, 2018 | 8 Comments on Compressed Textures in Qt 5.11
Posted in Embedded, OpenGL, Qt Quick, Qt Quick 2, Uncategorized | Tags: ,

As modern user interfaces become ever more graphics intensive, the demands on graphics memory to hold the textures increase. This is particularly relevant for embedded systems, where resources come at a higher premium, and can be a challenge for system performance. One of the key remedies for this is to reduce the memory requirements of the […]

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Cristián

Hello Qt for Python

Published Friday May 4th, 2018 | 58 Comments on Hello Qt for Python
Posted in Qt for Python

The first Qt for Python technology preview release is almost here, and for this reason we want to give a brief example on how it will open the doors to the Python world. Let’s build a simple application to show the simplicity of Qt for Python using QWidgets. Every script will have more or less the same […]

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Timo Kytömäki

Scaling Down to Low-End Hardware with Qt Professional Services

Published Thursday May 3rd, 2018 | 2 Comments on Scaling Down to Low-End Hardware with Qt Professional Services
Posted in Biz Circuit, Embedded, Qt | Tags: ,

How low do you want to go? Our fantastic guys at R&D have brought Qt over to the microcontroller units (MCUs). Make sure to check our proof-of-concept. The results look promising, and we have received a lot of requests from customers who want to use lower-end hardware to reduce costs. Our ultimate goal this year is to make this service available […]

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