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Welcome to my Homepage!

On this homepage you will find information about my Soft- and Hardwareprojects for several computer systems. The navigation bars on the left and top will bring you directly to the different topics. The language selection between German and English is done automatically if your browser is properly configured; should you prefer another language, please click on the desired flag on the top-right.

Please also sign my Guestbook. Accolade and criticism is highly welcome. I will try to improve the content of this homepage according your suggestions. I would be also happy to get feedback regarding my projects - what do you like/dislike and what do you want to see in the future?

But now I wish you much fun by searching about these pages!

Stefan Robl

Homepage Update History
"CW 1 to 53" V1.1.3 released
Changes in this version:
  • Resolved an issue causing the first calendar week of the current and next year to be incorrectly highlighted.
  • Corrected a visual glitch that resulted in text being partially trimmed due to rounded corners.
  • Adjusted the default calendar week setting to align with the US format for users in the region "US" after installation.
"CW 1 to 53" V1.1.2 released
Changes in this version:
  • Fixed tint color of title in watchOS.
  • Changed back/forward button color from blue to black color in iOS.
ExifRenamer V2.4.0 released
Here are the changes of this version:
  • ExifRenamer is now a Universal macOS Binary and runs on the super cool Apple Silicon Macs and Intel Macs natively.
  • ExifRenamer did not update the creation date (if this option was activated) for the case that the file name didn't change during renaming.
  • Fixed a daylight savings time problem when handling RIFF/AVI file formats.
  • Fixed broken PayPal link.
"CW 1 to 53" V1.1.1 released
This version makes the app compatible with older devices running watchOS 6 and iOS 13.
"CW 1 to 53" V1.1.0 released
Here are the changes of this version:
  • Made the calendar week list the root menu of the watchOS app.
  • Fixed the extra large complication where in some cases the displayed information was to wide an truncated by watchOS.
  • Added an iOS app to the standalone watchOS app due to the fact that a lot of users complaining that they weren't able to install the watch app due to a known bug within the iOS/watchOS AppStore infrastructure.
  • Recompiled using the latest version of Xcode
"CW 1 to 53" V1.0.2 released
Here are the changes of this version:
  • Recompiled using the latest version of Xcode
  • The data displayed in the user interface is now updated in more occasions
  • Added a version information in the main menu
"CW 1 to 53" V1.0.1 released
Here are the changes of this version:
  • The calendar week list is now updated if the week has changed since the last start of the app
  • Added support for the calendar week systems ISO8601 (Europe) and US (changeable in the app settings)
  • Added information about the number of calendar weeks of the current year to the weekly list ("#CW: xx")
"CW 1 to 53" V1.0.0 released
At least in Europe, planning on the basis of calendar weeks is an indispensable tool in professional life.
As I am an avid user of Apple Watch and would like to have the current date together with the current calendar week always displayed on the watch face, I looked around for appropriate apps. Apps already exist, but none of them met my expectations in terms of configurability, functionality and ease of use with a visually appealing user interface.
For this reason I developed my own app for the Apple Watch, which I publish hereby.
Oscilyzer V1.0.0 released
Since I have been interested in digital measurement technology for a very long time, I developed an app many years ago, which is a combination of oscilloscope, spread spectrum analyzer and AM/FM synthesizer. This app has been continuously improved for a long time, adapted to new technologies (e.g. Apple's graphic accelerator Metal) and always used only for me personally.
But since the state of the app can be described as mature and surely other people can use it for their own experiments and measurements, I decided to publish it now... :-)
Compatibility information about ExifRenamer and macOS "Catalina"
Due to the fact that I get repeated requests about the compatibility of ExifRenamer to macOS "Catalina":
Since version 2.2.0, ExifRenamer is a 64bit application. During 2018/2019, I've spent quite some time to clean up the source code of ExifRenamer to being able to provide a modern implementation of this application.
As a result, I've successfully tested ExifRenamer with the beta and release versions of macOS Catalina! :-)

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