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 the PowerBlock here.

Top-view of the ControlBlock

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!

petrockblock team


Recent Posts on petrockblock

  • ControlBlock Front View

The ControlBlock got updated

The ControlBlock got updated! Similar to the PowerBlock it now comes with USB-C and a high-current power switch circuitry for your most energy demanding projects. Of course, it [...]

Tutorial: A Power Switch for LibreELEC

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 [...]

  • PowerBlockling

Tiny Power Button for Raspberry Pi

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 [...]

  • Emteria

PowerBlock: A Safe Power Button for Emteria.OS

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 [...]