Qt OPC UA is not included in the Qt installer and must be built from source. The open62541 backend is currently the most stable and feature complete open source backend in Qt OPC UA. The open62541 library has minimal external dependencies and can be built for all supported platforms (Linux, Windows (MinGW32, MSVC 2017), Android, macOS
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
Update 02.03.2018: the steps outlined below have become outdated.Please see here for up to date build steps. basysKom has initiated Qt OpcUa which is a module offering support for the industrial communication standard OPC UA. This module has been contributed by us to the Qt Project. The Qt OpcUa API wraps existing OPC UA implementations. Currently, implementations for freeopcua
The Qt World Summit recordings 2017 are online. basysKom presented “Practical Qt Lite”. Qt Lite is a project within Qt geared towards optimizing Qt for smaller devices. One important feature of the overall Qt Lite story is the ability to create size optimized, application specific builds of Qt. These require less flash, less RAM and
Qt Lite is an initiative driven by The Qt Company striving for smaller and leaner Qt builds. It utilizes the new configuration system introduced with Qt 5.8 to create custom builds stripped of features or classes that aren’t needed for a given application. Focus is mostly on Embedded Linux with the goal of making Qt a feasible option
The field of web technology is evolving at a rapid pace. This article presents a stack proven in cross-platform application development projects and our experience gathered with it. Introduction Modern web technology provides a powerful foundation for cross-platform application development. By using responsive design techniques a browser based application can already cover desktop and mobile platforms.
If you missed our session “A deep dive into QML memory management internals” during the QtWS15 you can now watch a recording here or have a look at the slides. Enjoy!
It all started with a simple question: How much does a property you define in QML code cost in terms of memory? This led me down a merry chase into the source of the QML engine. The result is this article and in the end a contribution to Qt5.6. Before we get started, let’s do
basysKom has been working on the new Qt module QtOpcUa which brings support for the industrial communication standard OPC UA into the Qt world. We recently have offered this module as a contribution to the Qt-project. It is currently under review, we aim to make it a tech preview in Qt 5.7. basysKom will show