# Building Blocks in the physical technology domain
Adding a USB ethernet adapter as second network device
The availability of the Raspberry Pi boards is ubiquitous and the community around them unparalleled in the world of small development boards. This counters some of the hardware shortcomings, such as the rather poor network connectivity.
Inspired by TOGAF
Inspired by TOGAF the Helotism project documents major building blocks in a standalone way with only marginally references to the Helotism project as a whole.