Previously, Cantin even used a similar Arduino-LEGO combination to responded to another LEGO Stack Exchange question. (Forum posters wanted to know if LEGO city-scale wheels could be motorized.

Hack a Day reader [Stephan Martin] has assembled a clever bargain-basement system using an Arduino-driven stepper motor and a reduction gear system built up from LEGO Technic parts, along with ...

While there are a couple of open-source brushless drivers already available, [neuromancer2701] created his own brushless motor controller on an Arduino shield.

The self balancing robot is equipped with two Lego NXT motors and the open source Hippo-ADK board connects to a Android smartphone or tablet to provide extra processing power and functionality.

Enrico shows how his Infineon TLE94112EL motor controller shield can be put to work through a simple Arduino sketch.

Facebook 'likes' come to light with this neat DIY Lego and Arduino project.

This huge controller easily outsizes a MacBook and was made with $130 (~R1 714) worth of LEGO. The D-pad is connected to a ball joint with the other buttons floating freely in the top part of the ...

How impressive is this? It's how to build what is described as a fully-functional microscope using Arduinos and a Raspberry Pi. There's also LEGO and 3D printing in the mix.