Rotary Encoder Module KY-040

 105.78 exc. GST

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exc. GST
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The KY-040 360° Rotary Encoder is a rotary input device (as in knob) that provides an indication of how much the knob has been rotated AND what direction it is rotating in. It is a great device for stepper and servo motor control.

The KY-040 rotary encoder is an incremental electro-mechanical device that converts the angular position or motion of a shaft or axle to digital code. The output of incremental encoders provides information about the motion of the shaft, which is typically further processed in processor / controllers into information such as speed, distance, and position.


  • 360° infinite rotation.
  • Shaft Diameter – 6mm, D Shaped
  • 5 Pin – GND, Power – 5V, SW – Push switch connection, DT – Direction, CLK – Clock
  • Can be used to detect clockwise and anticlockwise directions
  • Compatible with Arduino

Additional information

Weight0.04 kg

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