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A servomechanism (or more simply a servo) is an electromagnetic device that converts electricity into controlled motion using negative feedback mechanisms. It can generate linear or circular motion depending on its type. It consists of a mechanical device, such as an electric motor, that is connected to a sensor and a controller. The sensor measures the output of the system and sends it to the controller, which then adjusts the input to the system in order to keep the sensor's output within given parameters.

Examples[edit | edit source]

Here are examples of servos used in the InMoov project:

  • TowerPro MG995
  • HiTec HS-805BB
  • HobbyKing HK15298

If you want to use them you will need at least something with pins like an Arduino or Raspberry and a servo controller board like the PCA9685 is recommended.