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
We just released an update for the driver of the ControlBlock! 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 [...]
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 [...]
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 [...]
RetroPie on Raspberry Pi 3? Get RetroPie 3.6! […]
We are pleased to announce the release of RetroPie 3.5. […]
Mostly fixes and improvements rather than new stuff this time folks. […]
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 [...]
After rolling new images, fixing bugs, re-rolling we are finally there: RetroPie 3.3. […]