The ‘Piano Stairs’ is a little project that plays a different note every time you step on a step, playing a musical scale as you ascend.
The Arduberry is a shield for the Raspberry Pi, with an Arduino Atmega 328 embedded to allow you to use Arduino shields with your Pi.
Pi-Bot is a new robotics project launched on KickStarter, including everything you need to build and setup your own robot.
Rex is like a love-child of the Arduino and the Raspberry Pi. Sporting some impressive specs, the Rex is a great brain for your next robot.
This is a comparison of the Arduino vs Raspberry Pi. Both boards are suitable for beginners, but are aimed at different niches.