Category: Programmierung

Regular Expressions in C

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Hi, sorry for the long silence. I am currently working on a programming project involving a database where I need to check if user input matches a given date format (yyyy-mm-dd). As simple as it sounds it took me almost an hour to get the regular expression formated until the system finally did what it […]

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Creating a simple FPGA project for the Lattice XP2 Brevia development board

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OLYMPUS DIGITAL CAMERA

Prerequisites I recently got a Lattice XP2 Brevia development board to play around with FPGAs. This isn’t the latest version of development boards you can get from Lattice but it will suit the needs of a beginner. I didn’t find any simple tutorials dedicated to absolute beginners so I decided to show you my first […]

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LED-Weihnachtsbaum

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Weihnachtsbaum schräg fotografiert

Frisch zu Weihnachten gibt es wieder was Neues von uns: einen LED-Weihnachtsbaum. Mit den acht farbigen LEDs, die von einem kleinen ATmega8 gesteuert werden, bringt er stimmungsvolles Licht zu den Festtagen. Dabei wurde der Wert auf einen einfachen Aufbau und geringen Stromverbrauch gelegt. Die Basis bietet eine Lochrasterplatine, die in Form eines Weihnachtsbaumes gesägt und […]

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Simple QT hover effects

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I really love QT but sometimes im a bit disappointed because of the lack of easy to use graphic effects. This short tutorial will show you how to polish up your application with some simple lines of code. The goal For my latest projetct I wanted to have simple image buttons which change their picture […]

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