Chapter 1. Raspberry Pi
We recommend you start with the Raspberry Pi Model B, which includes wired Ethernet and enough USB ports for a mouse and keyboard. This makes it much easier to get started.
Unless you buy your Raspberry Pi as part of a kit, it probably didn’t come with an enclosure, but you can just put the bare board on your table for extra geek credibility. Or, if you have access to a 3D printer, CNC, or laser cutter, you can find many enclosures to fabricate on http://www.thingiverse.com.
A 4 GB SD memory card is big enough to fit the operating system. A bigger card may be less susceptible to ...