The document discusses the Raspberry Pi, a small low-cost computer developed to promote teaching computer science in schools. It was assembled by Eben Upton and a group wanting to inspire children to learn programming. The document provides several links to projects created with Raspberry Pi like a portable laptop, 3D printed case, and Lego robot. It also discusses using a Raspberry Pi as a home jukebox with Mopidy music server software and accessing it through a web client.