Rotary Encoder Module – Precision Digital Input Device for Position and Direction Sensing
The Rotary Encoder Module is a compact and reliable device designed to detect rotational position, direction, and speed in electronic systems. It converts mechanical rotation into digital signals, making it ideal for a variety of applications including user input controls, motor feedback systems, robotics, and industrial automation. Whether you’re building a CNC machine, a volume knob, or a digital menu interface, this module provides precise and responsive rotary input for embedded projects.
Product Specifications
Feature
Specification
Module Name
Rotary Encoder Module
Rotation Type
Incremental (Continuous 360°)
Signal Output
Dual Digital Pulse (A & B Phase)
Push Button
Integrated Push-Button (Momentary)
Operating Voltage
3.3V to 5V
Shaft Type
Flat or D-type Shaft
Resolution
Typically 20 Pulses per Revolution (PPR)
Output Interface
Digital (via 5-pin header: GND, VCC, DT, CLK, SW)
Switch Life
>100,000 Cycles
Dimensions
Approx. 30mm x 20mm x 15mm
Key Features
360° Continuous Rotation Allows infinite rotation in both directions with no stop, ideal for menu navigation or setting adjustments.
Quadrature Output Signals Dual-channel output enables detection of rotation direction and position counting.
Integrated Push Button Adds functionality for confirming selections, resetting values, or triggering events.
Microcontroller Friendly Compatible with Arduino, ESP32, STM32, Raspberry Pi, and other development platforms.
Debounce Friendly Design Easy to integrate with software-based debounce and encoder libraries.
Durable and Compact Designed to withstand repeated usage in compact enclosures or embedded systems.
Benefits
Accurate Rotary Input Enables intuitive and tactile input for settings, parameters, or control values.
Versatile in Application Suitable for use in UI navigation, motor control, smart devices, and more.
Easy Integration Simple 5-pin interface compatible with standard GPIOs and libraries.
Low Power Requirement Works within standard logic-level voltages of 3.3V to 5V, making it suitable for battery-powered systems.
Applications
Digital Volume Control Use as a replacement for analog potentiometers in audio equipment or mixers.
Menu Navigation Interface Scroll and select options in OLED/LCD screen interfaces on embedded devices.
Robotics and CNC Machines Track motor position or implement jog control in motion systems.
3D Printers and DIY Projects Serve as a user interface control knob in hobbyist and maker electronics.
Industrial Controls Implement as a tactile input mechanism in industrial equipment and automation panels.
