This document describes how to install a Homematic HmIP-RFUSB stick on a Raspberry Pi with OpenHABian.
The following install description is from here: https://www.openhab.org/docs/installation/openhabian.html#raspberry-pi-prepackaged-sd-card-image
- Get latest OpenHABian (32 bit version should be more efficient)
- Use SD-Formatter to format your SD card.