KY-040 Rotary Encoder Module

About this product

Incremental rotary encoder module with built-in push button switch. Outputs quadrature-encoded digital signals for direction and rotation detection. Suited for menu navigation, volume control, motor speed adjustment, and user interface input with Arduino and Raspberry Pi.

Ultrasonic, IR, temperature, humidity, motion, current, camera and RF sensor modules - plus relay, logic-level and breakout boards for prototyping and production.

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Specifications

Operating Voltage

3V to 5V DC

Pulses per Revolution

20

Output Type

Quadrature-encoded digital (CLK, DT)

Built-in Switch

Push button (SW)

Interface

5-pin SIP with 0.1" spacing

Dimensions

30 x 18 x 30mm

Operating Temperature

-40°C to 85°C