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
Design Patterns with PlantUML: Template Pattern
This post gives a brief overview about the Template Pattern. The post is part of a series about software design patterns and their UML representations with the help of PlantUML. [...]
Update for PowerBlock Driver: Pin Configuration and Logging
The driver of our popular Raspberry Pi Power Switch add-on board PowerBlock got a feature update! More configuration, more logging, faster shutdown. […]
Design Patterns with PlantUML: Facade Pattern
This post gives a brief overview about the Facade 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: Adapter Pattern
This post gives a brief overview about the Adapter 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: Command Pattern
This post gives a brief overview about the Command 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: Singleton
This post gives a brief overview about the Singleton 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: Abstract Factory Pattern
This post gives a brief overview about the Abstract Factory 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: Factory Method Pattern
This post gives a brief overview about the Factory Method Pattern. The post is part of a series about software design patterns and their UML representations with the help of [...]