Pi Desktop and the Raspberry Pi make a PC like the others - Elektor (blog)

Pi Desktop and the Raspberry Pi make a PC like the others Elektor (blog) ... its extension card controlled by an STM8S00 microcontroller. This is mounted in the case with the RPi, and connected to it by its GPIO connector. The extension card itself is equipped with a female GPIO connector on the other side, by which the I/O ...