Product Overview

The Rotary Encoder Module (KY-040) is an incremental rotary input device that converts the angular movement of a shaft into digital signals. It detects both rotation direction and position, making it suitable for motor control, robotics, and user interface applications.

Key Features

• Detects rotation direction and movement.

• Provides digital output signals.

• 360° rotary operation.

• Compact and easy-to-use design.

• Suitable for stepper and servo motor control.

• Compatible with Arduino, Raspberry Pi, ESP32, and other micro-controllers.

Technical Specifications

• Product Type: Rotary Encoder Module

• Model: KY-040

• Encoder Type: Incremental Rotary Encoder

• Cycles Per Revolution (CPR): 20

• Operating Voltage: 0–5V DC

• Material: PCB + Brass

• Dimensions: 3 × 2 × 1 cm

• Weight: 25 g

• Output: Digital Pulse Signal

• Compatibility: Arduino, Raspberry Pi, ESP32, and micro-controllers

Applications

• Robotic arm controllers.

• Servo and stepper motor control.

• Position and speed control systems.

• Digital menu navigation.

• Industrial control systems.

• DIY electronics and Arduino projects.