Due servomotori: gli HiTec HS-311 costano circa 7 euro cadauno.

Many people think of a robot as a machine that can function autonomously.However, if you broaden the definition of “robot” a little, remote-controlled objects can also fall into this category.You may think it's hard to build a remote-controlled robot, but it's actually simple if you know how.This article explains how to do it.