Many of us have heard of the Raspberry Pi in the past. It may sound like a food but is anything but. It is a great tool for folks who want to try exciting electronics projects. This infographic from WhoIsHostingThis shows you how to get started with it:
How to make a DIY home alarm system with a raspberry pi and a webcam
Take your credit-card sized PC to the next level by upgrading it using the Raspberry Pi touchscreen. You'll be able to accomplish various tasks by easily navigating the inch display with color pixels and resistive touch overlay.