Servomechanisms (aka "Servos")
From AIRWiki
Servos are useful to move parts of a robot, cameras, sensors.
Here are some tutorials to use servos:
There are some servos available in the cabinet In AIRLab-Lambrate marked as "Motors", and can be taken by marking on this page who and when it has been taken, but usually people get their servos from one of the Shops.