Our Blog: basysKom, Qt, Cloud, IoT, open62541, OPC UA, HMI Development and more.

Umati OPC UA open62541
OPC UA
Frank Meerkötter

Announcing the umati Dashboard-OPC UA-Client

The umati community did its first open source release of the “umati Dashboard OPC UA Client”. To support this effort basysKom has worked with the umati community and ported the client to the open62541 OPC UA stack.

Read More »
OPC UA open62541
OPC UA
Frank Meerkötter

Qt OPC UA: Logging improvements in Qt 6.1

So far programs using Qt OPC UA with the open62541 back-end produced quite a bit of chatter on stdout originating from the open62541 stack itself. Unfortunately there was no simple way to get rid of these low-level logs. We now provide a way to control this behavior.

Read More »
Qt
HMI
Pascal Dietz

Qt 6: How To port a Qt 5 application

Porting a Qt 5 QML application to Qt 6 doesn’t have to be difficult. We want to share the issues we had and how we solved them. Look out for your shaders and modules.

Read More »
Qt
QML
Jeremias Bosch

Speedup your Qt/QML list scrolling on lowend devices

Something that has traditionally been complicated to achieve in Qt/QML, especially on low end hardware, is high performant list scrolling with complex delegates.
This has recently changed. In Qt 5.15, it is as simple as setting the new QML ListView property called reuseItems to true. For more details, have a look at the documentation.
In this blog post, I will explain how you can implement this feature in Qt Versions prior to 5.15.

Read More »
Qt OPC UA
open62541
Frank Meerkötter

Qt OPC UA updates

The Qt OPC UA module has been ported to CMake and will be part of Qt 6 right from the first release.
In addition to numerous bug fixes and improved test coverage, the open62541 plugin has been updated to open62541 v1.1 and uses OpenSSL for security support, thus removing the dependency on mbedTLS.

Read More »