Welcome at petrockblock!
At petrockblock you can find various topics from the world of microelectronics, tinkering, software development, and other related topics. You find our popular Raspberry Pi add-on boards ControlBlock and PowerBlock here as well as the GamepadBlock, our multi-platform USB interface for arcade and original game controllers.
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 on petrockblock
PowerBlock and ControlBlock are fully compatible with Raspberry Pi 4 now!
Our popular add-on boards for the Raspberry Pi “PowerBlock” and “ControlBlock” are fully compatible with the Raspberry Pi 4 now. In a recent post we wrote about the observation that the current ControlBlock and [...]
Our Boards Compatibility with the Raspberry Pi 4
The Raspberry Pi 4 was recently released. This post is about our boards and their compatibility with the Raspberry Pi 4. Are our extension boards like the PowerBlock or the ControlBlock compatible with it? The [...]
PowerBlock now with Support for Windows 10 IoT Core
Windows 10 IoT Core is Microsofts offer for developing embedded devices while staying within the whole Microsoft ecosystem. Besides various other hardware platforms you can find the Raspberry Pi as one of those boards that [...]
Xarcade2Jstick supports new Tri-Mode Tanksticks
X-Arcade Dual Joystick If you happen to own an X-Arcade Tankstick this post might be of interest for you: I have updated Xarcade2Jstick such that it now supports the recently released Tri-Mode PCBs and Tanksticks [...]
New Online Course “Getting Started with Window 10 IoT Core Development” is out now
I am happy to announce the new online course “Getting Started with Windows 10 IoT Core Development”, a course that gives an introduction to all needed topics for getting started with the application development for [...]
Design Pattern with PlantUML: Proxy Pattern
This post gives a brief overview about the Proxy Pattern. The post is part of a series about software design patterns and their UML representations with the help of PlantUML. [...]
Design Patterns with PlantUML: State Pattern
This post gives a brief overview about the State Pattern. The post is part of a series about software design patterns and their UML representations with the help of PlantUML. [...]
Design Patterns with PlantUML: Composite Pattern
This post gives a brief overview about the Composite Pattern. The post is part of a series about software design patterns and their UML representations with the help of PlantUML. [...]