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
| Parameter | Specification |
|---|---|
| Operating Voltage | 5 V DC |
| Output Signal | Quadrature (A/B) + Push-button (SW) |
| Pulses per Revolution | 20 |
| Contact Material | Gold-plated |
| Mechanical Life | ≥ 100,000 cycles |
| Operating Temp. Range | –20 °C to +70 °C |
| Module Size | 31 × 19 × 29 mm |
| Pinout | GND, VCC, DT (A), CLK (B), SW |
Ideal Applications
| Application | Benefit |
|---|---|
| Robotics Control | Precise joint and wheel position feedback |
| Menu Navigation | Intuitive user interfaces on LCD/OLED screens |
| Volume/Parameter Tuning | Smooth audio and CNC parameter adjustments |
| Stepper Motor Homing | Reliable zero-position detection |
| Home Automation | Adjust lighting levels, thermostat settings |
| Educational Kits | Teach quadrature decoding and embedded I/O |
Package Contents
- 1 × KY-040 Rotary Encoder Module
Why Choose the KY-040?
- Accuracy & Reliability: Gold-plated contacts and sturdy construction ensure stable signals with minimal bounce.
- Versatile Functionality: Combined rotary and push-button outputs let you build compact controls and menus.
- Plug-and-Play Integration: Standard 5 V logic and common pinout make hookup a breeze.
- 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!
Delivery
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Returns
Something not quite right? You have 14 days from the day you receive it, to send something back.
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