As much as we love the Arduino Uno, it's not the most powerful of hobbyist microcontrollers. Fortunately, the folks in Turin have just put the finishing touches on a 32-bit upgrade with buckets of potential. At the heart of the Arduino Due is an 84MHz Atmel CPU, based on ARM's Cortex M3 Architecture, which is capable of being the brains inside your own flying drone or homemade 3D printer. It should sta