• ControlBlock

    Power Switch, Game Controllers, and I/O for the Raspberry Pi

  • PowerBlock

    A Power Switch for the Raspberry Pi

  • The RetroPie Project

    Welcome to the RetroPie Project. This page provides information about all the pieces of the projects, the goals and should give you an understanding of what the RetroPie Project is.

Welcome!


This site is about various topics from the world of microelectronics, tinkering, software development, and other related topics. You can find our popular Raspberry Pi add-on boards ControlBlock and PowerBlock here.

This site is also the birth-place of RetroPie, the popular retro-gaming project for the Raspberry Pi. You can find articles about the original idea and articles of the first years of the project here.

Enjoy your stay on our sites!

Recent Posts

Quick Installation Script for the ControlBlock

We realized that the installation of the ControlBlock driver could be simplified. Therefore, we created an installation script that does all the needed steps for compiling, installing the binary, and configuring the ControlBlock service for you! To install the driver and service for the ControlBlock, this is now all that ou have to do: Also, there is a Youtube video …

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Update for the ControlBlock Driver

ControlBlock Update

The driver of the ControlBlock got updated! What does this mean for you? More functionalities! More specifically, the updates contain: 4-player support Multiple ControlBlocks can be stacked on top of each other. With this functionality you can now create your 4-player arcade machine with two ControlBlocks. Each ControlBlock can be configured with its own controller type. That means for example …

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New Revision of the PowerBlock: Increased Flexibility

PowerBlock Top View

The PowerBlock is a small support shield for the Raspberry Pi that provides a power switch functionality. Recently, we have updated the design of the PowerBlock such that it now offers an even greater flexibility regarding the connections with the Raspberry Pi.

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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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Issues with your d-pad? RetroPie Release 3.2.1 might help

We have just published a bug-fix release, RetroPie image v.3.2.1, that fixes controller configuration issues for RetroArch-based emulators. For all of you that installed version 3.2 and are having trouble with the d-pad on the controllers: You can also fix that manually by editing /opt/retropie/configs/all/retroarch.cfg and removing the lines at the end That should fix the problem. All users who …

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RetroPie 3.2 is Released

Soon after the release of RetroPie 3.1, we are please to announce v3.2. Although only a couple of weeks have passed, there have been a fair number of improvements. Changes since 3.1: Fixed binaries of mupen64plus and lr-tyrquake and removed mupen64plus-testing as it is now included in the default mupen64plus. Updated to Hatari 1.9, and built in IPF image support. …

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RetroPie 3.1 Released

We are pleased to announce the release of RetroPie 3.1! Among others, major features of this release are a more memory-light theme “Carbon”, an initial module for bluetooth keyboard support, and and new MAME emulators. Some EmulationStation tweaks and splashscreen improvements also made it into this release. Also, Berryboot images are provided now! Thanks a lot to everyone who has contributed …

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RetroPie 3.0 is Released

After 6 months of hard work we are pleased to announce the release of RetroPie 3.0. This retro-gaming project brings together a collection of popular emulators for those computers and consoles that you grew up with from the 70’s, 80’s and 90’s, all wrapped up and ready to run on the famous Raspberry Pi. From Atari 2600, to Sega Mega …

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