Electric motors are the muscle of most Technic creations.
While it’s perfectly fine to build mechanisms driven by hand,
and some builders actually specialize in human-powered
models, the most impressive constructions are motorized.
Motors can be used for almost anything, from driving and
steering to rotating, elevating, extending, and even controlling
other electric components. In this chapter, we’ll explore
which LEGO motors are best suited for which purposes.
LEGO has been making electric motors since 1965, and
they can be classified into three general categories. The first
motors were 4.5V motors, but they’re rare, old, and inferior
when compared to the newer motors, so let’s move straight
to the next category