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Software Development

Python module for MCP23S17 for use with the Raspberry Pi

Some time ago I revised the hardware design of the ControlBlock and added test points for all major signals. The overall aim was to build a device for doing final system tests that are done before any single ControlBlock leaves for shipping. These system tests are written in Python. This post is about a Python module for the MCP23S17 to …

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MEAN adventures continued: An UML Online Editor for PlantUML

Some weeks ago I wrote about my recent journeys into the world of web application development and the MEAN stack. While writing that blog post I realized that I would like to insert a certain UML diagram. So I first started to draw an UML diagram for a better explanation of the use cases that my learning project should implement. …

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Getting to know the MEAN stack with a LaTex Web Application

Some time ago I had the idea for a web application related to another popular project. I quickly realized that my knowledge about web application architectures and designs was quite archaic. To learn the basics of modern web application programming I decided to implement an online assistant for writing letters based on the word-processor LaTex. It can be found at …

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Xarcade2Jstick – Map your Xarcade Tankstick to Game Pads and use it with RetroPie

The Xarcade Tankstick is a nicely designed and very robustly constructed arcade game controller. It offers buttons and joysticks for two players together with start and coin buttons, an arcade trackball, and dedicated pinball buttons. Being asked, if RetroPie could have in-built support for the Xarcade Tankstick I started to dig into this controller which, in the end, lead to …

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Update for the OwncloudPie script

I just commited an update for the OwncloudPie script. The server URL is now dynamically obtained from the configuration files and can be changed from within the script for an existing Owncloud installation now. Furthermore, it is now possible to download the latest version of the OwncloudPie script with the script itself. If you have any comments or suggestions, tell …

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Your own cloud server with Owncloud on the Raspberry Pi

The management, synchronization, and sharing of files, calendar information, address book data, music, and photos is widely used nowadays. It is offered by many (often freely available) cloud-based services like Dropbox, Sugarsync, Flickr, Picasa and many others. The big players like Apple, Google, and Microsoft also offer multiple of these services and people can use all of these with just …

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SNESDev-RPi: A SNES-Adapter for the Raspberry Pi

You already might have heard of the Raspberry Pi. It is a credit-card sized PC from the Raspberry Pi Foundation and is going into mass production and distribution these days. There is a huge demand for “the Pi” and the first orders are limited to one per person. A few weeks ago I got my Pi delivered and started working …

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