The Arduino, Raspberry Pi, and BeagleBone are all low-cost controllers that are great for your DIY projects, but it's a little confusing when you're trying to figure out which one is best suited for you.
The BeagleBone is the perhaps the least known of these platforms, but an incredibly capable board worthy of consideration for many projects. It is a powerful Linux computer that fits inside an Altoid's mint container.
CircuitCo’s Motor Cape with NXT allows you to control up to 8 Mindstorms motors with a BeagleBone microcontroller. Alas, the board doesn’t accept data from sensors or from the encoders built into Lego’s motors.
Hot Hardware BeagleBone Black aims to compete with Raspberry Pi The H The new BeagleBone Black from Texas Instruments is equipped with a 1GHz Sitara ARM335 (Cortex-A8), providing it with greater processing power than the Raspberry Pi.