KY-040 360 Degrees Rotary

Product Description :

The KY-040 360 Degrees Rotary Encoder Module is a precise and reliable input device used to detect rotational position and direction. It converts angular motion into digital signals, making it perfect for controlling motors, navigating menus, or adjusting values in electronic projects.

This encoder module features a 360° continuous rotation and can output digital pulses that correspond to rotational direction and speed. It has both incremental encoder functionality and a built-in push-button switch, allowing it to be used for multifunctional input controls.

The KY-040 works seamlessly with microcontrollers such as Arduino, Raspberry Pi, ESP32, and STM32, making it ideal for DIY electronics, robotics, and CNC applications. Its compact design and high durability make it a preferred choice for precise control interfaces.

Key Features of KY-040 360 Degrees Rotary Encoder

• Model: KY-040 Rotary Encoder Module

• Type: Incremental encoder with push-button

• Rotation Angle: 360 degrees continuous

• Output: Digital quadrature signals (CLK, DT, SW)

• Supply Voltage: 5V DC

• Interface: CLK, DT, SW, +, GND

• Shaft Type: Metal with detents for tactile feedback

• Compatibility: Arduino, Raspberry Pi, ESP32, STM32, and other microcontrollers

• Mounting Holes: 2 x 3mm for easy installation

• Dimensions: Approx. 32mm x 20mm x 30mm

Applications

The KY-040 360° Rotary Encoder is ideal for:

• Volume or menu control on DIY projects

• CNC machine and 3D printer input knobs

• Motor position feedback systems

• Robotics navigation and control panels

• Smart home and industrial automation

This KY-040 Rotary Encoder Module delivers accurate, real-time position data with a built-in push-button for added functionality — making it essential for makers, engineers, and robotics enthusiasts.