1-10PCS KY-040 360° Rotary Encoder Module – Potentiometer Sensor Development Board with Knob Cap for Arduino DIY Kit

Upgrade your DIY electronics projects with the 1-10PCS 360° Rotary Encoder Module KY-040—a precision rotary sensor development board perfect for Arduino enthusiasts and hobbyists. This versatile module features a rotary knob with unlimited rotation and a built-in push-button, making it ideal for volume control, robotics, motor direction sensing, and interactive projects. Whether you’re building a custom controller or experimenting with motion detection, this encoder delivers accurate digital pulse signals with each turn.

Why You’ll Love It:

• 360° Rotation & Push Button: Track forward and reverse rotations with ease; reset your count at the press of a button.

• High Precision & Reliability: Incremental encoder provides two-phase square waves with 90° phase difference for accurate speed and direction detection.

• DIY-Friendly Module: Plug-and-play for Arduino, Raspberry Pi, or other microcontroller boards; perfect for electronics projects, robotics, and computer-controlled applications.

• Durable Build: SMD packaged, high-quality components ensure longevity and stable performance.

• Flexible Quantity: Available in 1–10PCS kits to suit small or large projects.

Technical Specifications:

• Brand: SZYTF

• Model: KY-040 Rotary Encoder Module

• Supply Voltage: 5V

• Operating Voltage: 5V

• Pulse Count per Turn: 20

• Package: SMD

• Application: Computer, DIY Electronics, Robotics, Arduino Development

• Condition: New

Working Principle:
The incremental rotary encoder converts mechanical rotation into a series of digital pulse signals, allowing precise angular displacement detection. Featuring A, B, and Z channels, it provides speed, rotation direction, and zero-position reference. Ideal for interactive and automation projects, the KY-040 module ensures stable, interference-resistant signals thanks to its differential readout system.

DIY Tips & Arduino Example:
Use the included sample code to get started with rotation counting, LED control, or project debugging. Combine multiple modules for advanced robotic motion control, motor feedback, or custom interface designs.