rotary encoder

Definitions

Electronics

  • A electromechanical device which converts the rotations of a disk or shaft into pulses. If the output is binary, such a device may be used as an analog-to-digital converter.
  • A digital control which emulates the function of a knob utilized to manually adjust settings such as volume or clock adjustments.
http://www.dictionarycentral.com/definition/rotary-encoder.html