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
The PowerBlock, a popular soft power button for the Raspberry Pi, got updated! It can now handle more energy hungry accessories due to its re-designed power circuitry with dedicated power switch IC and nearly [...]
In the following we will learn how to add a power switch for LibreELEC running on a Raspberry Pi. We will use a PowerBlock to not only add a power button, but also a [...]
The Raspberry Pi 4 makes a big step in comparison to the Pi 3 when it comes to hardware specifications: A faster CPU, Gigabit network, USB 3 ports, and 4K dual display support are [...]
Are you looking for a tiny power button solution for your Raspberry Pi that provides safe shutdowns? You only want a small button to turn off and on your Raspberry Pi without the need [...]
Three-way What? Did you ever want to use two add-on boards for the Raspberry Pi at the same time? That was not possible, because the boards were not stackable? Or use a fan and some [...]
If you are looking for a power button solution for your Emteria.OS project that makes use of a Raspberry Pi then look no further: The PowerBlock now supports Emteria.OS. Emteria.OS describes itself [...]
Many of you have asked for the possibility to support toggle as well as momentary buttons for safely switching your Raspberry Pi on and off. We are glad to announce that the ControlBlock and the [...]
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 [...]