Rotary Encoder Module

Product Overview
Achieve smooth, precise rotational input in your projects with the KY-040 Rotary Encoder Module. Compact, reliable, and easy to integrate, this module delivers high-resolution position sensing for robotics, automation, user interfaces, and more perfect for hobbyists, students, and professionals.

Key Features & Benefits

• Ultra-Compact Design
  • Module dimensions: 31 × 19 × 29 mm fits neatly into tight enclosures and PCBs.
• High-Resolution Feedback
  • 20 pulses per revolution plus push-button switch enable accurate position tracking and selections.
• Wide Compatibility
  • Operates at 5 V logic, works seamlessly with Arduino, Raspberry Pi, ESP8266/ESP32, and most microcontrollers.
• Robust & Trustworthy
  • Industrial-grade mechanical encoder with gold-plated contacts for minimal jitter and long service life.
• Adjustable Sensitivity
  • Tweak the pull-up resistor or debounce logic in software to match your project’s responsiveness needs.
• Integrated Push Button
  • Built-in push-switch allows you to detect clicks in addition to rotation ideal for menu selection and parameter adjustment.
• Quick & Easy Wiring
  • Standard 5-pin header (GND, +5 V, DT, CLK, SW) simplifies connections and reduces prototyping time.

Technical Specifications

Ideal Applications

Package Contents

• 1 × KY-040 Rotary Encoder Module

Why Choose the KY-040?

1. Accuracy & Reliability: Gold-plated contacts and sturdy construction ensure stable signals with minimal bounce.
2. Versatile Functionality: Combined rotary and push-button outputs let you build compact controls and menus.
3. Plug-and-Play Integration: Standard 5 V logic and common pinout make hookup a breeze.
4. Durable Design: Rated for over 100,000 rotations, it’s built to withstand extended use.

Enhance your next project with the precision and flexibility of the KY-040 Rotary Encoder Module. Order now and add intuitive, high-resolution control to your designs!