Rotary Encoder Module – KY-040

  • Rotary Encoder Module - KY-040
  • Rotary Encoder Module – KY-040
  • Rotary Encoder Module – KY-040
  • Rotary Encoder Module - KY-040
  • Rotary Encoder Module – KY-040
  • Rotary Encoder Module – KY-040




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115 in stock

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The KY-040 Rotary Encoder Module is an input device that is controlled by a rotary switch that has a fixed amount positions per revolution which are felt as the knob is turned in either direction through small position clicks.
A good module for controlling stepper and servo motors.



  • Operational voltage: 5V
  • Positions in full rotation: 20

Pin Specifications:

  • CLK: Encoder Pin A
  • DT: Encoder Pin B
  • SW: No Pushbutton Switch
  • +: 5V Supply
  • GND: Encoder Pin C



  • 1 x Rotary Encoder Module – KY-040

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We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.

The following shipping options available are listed below:

Australian Orders

  • Standard Shipping – Free (low cost / small products) – Sent via standard Australia Post stamped mail, 3 – 7 business days delivery depending on location, minimal tracking.
  • Standard Shipping – Free (higher cost / larger products) – Sent via Australia Post Parcel Service or Courier Service, depending on location and mailing address, 2 – 5 business days delivery, with full tracking.
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Orders outside of metro orders can take 2+ days longer than the estimates stated above.

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More Information

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