Gravity: 360 Degree Rotary Encoder Module

DFRobot

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SKU:
147-SEN0502
MPN:
SEN0502
Gravity 360 degree rotary encoder module with I2C interface, LED indicators, and cascade control function
Gravity 360 Degree Rotary Encoder Module with 20 pulses per revolution, I2C communication, LED status indicators, adjustable resolution, and cascade support for multi-device control applications. View full description
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Technical Specifications

Brand:
DFRobot
Operating Voltage:
3.3V~5V
Total Rotating Angle:
360 deg
Pulses Per Revolution:
20
Interface:
two Gravity connectors; I2C
Cascadable Device Number:
4
Rotation Lifespan:
30000+-200 Cycles
Contact Resistance:
< = 100mOhm
Insulation Impedance:
100MOhm above
Oscillation:
＜10ms press
Operating Temperature:
-30 ~ 80C
Accuracy:
1~51
Minimum Settable Value:
1(Light up one LED when rotating 2.5 turns)
Maximum Settable Value:
51(Light up one LED when rotating 1 detent)
Dimension:
37x37mm

Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.

Description

Resources
 
360 Degree Rotary Encoder Module With I2C Interface, LED Indicators, and Cascade Control Function

The Gravity 360 Degree Rotary Encoder Module is a versatile digital input device designed for precise rotary control and user interface applications. Although it resembles a traditional potentiometer, it functions as a high-accuracy rotary encoder switch capable of continuous 360-degree rotation. The encoder generates 20 pulses per revolution, with each pulse corresponding to a physical detent, providing accurate rotational feedback for controlling system parameters such as brightness, volume, speed, and menu navigation.

The module features built-in LED indicators for each detent position, allowing users to visually monitor encoder status in real time. Communication is handled through an I2C interface, reducing microcontroller pin usage and simplifying integration with Arduino, ESP32, Raspberry Pi, and other embedded platforms. A programmable resolution setting allows users to configure sensitivity from 1 to 51 steps per detent. Additionally, the cascade function enables multiple encoder modules to share a single I2C bus, making it ideal for complex control panels and multi-parameter adjustment systems.

Key Features
 
  • 360 Degree Continuous Rotation: Supports unlimited rotary movement.
  • 20 Pulses Per Revolution: Provides precise position tracking.
  • Detent-Based Feedback: Each pulse corresponds to a physical detent.
  • Built-In LED Indicators: Real-time visual status display.
  • I2C Communication Interface: Simplifies wiring and microcontroller integration.
  • Configurable Resolution: Adjustable sensitivity from 1 to 51 per detent.
  • Cascade Function Support: Multiple modules can share a single I2C interface.
  • Low MCU Pin Usage: Efficient control through I2C communication.
  • High Control Accuracy: Suitable for precision adjustment applications.
  • Compact Module Design: Easy integration into embedded systems.
  • User Interface Friendly: Ideal for menu navigation and parameter control.
  • Wide Platform Compatibility: Supports Arduino, ESP32, Raspberry Pi, and other controllers.
Applications
  • Volume control systems
  • LED brightness adjustment
  • Color control interfaces
  • Motor speed control
  • Smart home control panels
  • Industrial control systems
  • Human machine interfaces
  • Menu navigation devices
  • Audio equipment controls
  • Robotics projects
  • Embedded user interfaces
  • Multi-function control consoles

Use Case Diagram (Control RGB LED by three encoders)

Package Contents
  • Gravity: Rotary Encoder Module x1
  • Gravity I2C/UART Sensor Connector x1

 

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