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.

A mechanical and manufacturing engineer by day, [Tyler Collins] taught himself electronics and firmware development in his spare time and created an open source Lego controller called Evlōno One ...

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 ...

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