I'm a fan of Lego robotics. I've written over half a dozen books on the Lego Mindstorms NXT robotic system, and tinkering and prototyping with the NXT just never gets old. (And there's a NEW system ...

So you finally decided to hop on the Arduino bandwagon and start making electronic projects as a fun hobby. As a beginner getting started with Arduino, your first instinct is typically to buy a ...