The Archive

This is where you find all the blog posts, old and new.

ReX-T Version 4 released

I'm proud to announce that version 4.0 of our regular expression tool ReX-T has been released.

Image ReX-T Icon

This version has many new features, like

  • a regular expression library,
  • a source code generator, and
  • omprehensive online help.

Our Regular Expression Glossary is ready to give you a head start with regular expressions.

More info about ReX-T can be found on the Esclepius website:[...]

Read more... →

No comments yet.

Halloween Story: Emergency Exit

Emergency Exit

by Frank Bitterlich

Let me tell you a story. I am sure that you have heard similar stories before, without doubt in the days around Halloween, and I am sure that the person telling it would swear that it was true. That it happened to someone they know, maybe a friend of a friend, or a cousin of their coworker.[...]

Read more... →

No comments yet.

Time Zones

I'm not sure what time zone Facebook sees me in, but maybe this is just the middle between DST and normal time...?!?

Facebook Screenshot

No comments yet.

How a Shift Register works

So, as promised, here is my take on shift registers. I will explain how they work using the M74HC595 8-bit shift register - because that‘s the type I usually use. They are available for a few cents each at many places; here in Germany, I tend to buy them from Conrad, but you can get the from many other sources like Sparkfun or Banggood.

The basics[...]

Read more... →


Playclock #1: Shift Register

For an upcoming project - a playclock for American Football - I did some experiments with a 74HC595 shift register IC. I made a little demo video showing the shift register at work. Enjoy.

P.S. I'll do a series of blog posts here about the project soon, showing the progress and explaining how things work. Make sure to come back later for that!

No comments yet.