The definitive guide to programming on the Raspberry Pi.Put simply, the Raspberry Pi is a cheap computer that exposes pins for physical computing. This means that you can attach a wide variety of electronic components to it and drive them from software, The Pi primarily runs a version of the Linux operating system called Raspbian but other operating systems (or even none at all) can also be used to host software applications that you write. Designed and distributed as a cheap device for the purpose of educating folks in the skills of computer programming, it is without question that the Pi is more than powerful enough for a wide variety of projects.