KY-040 Rotary Encoder Module with Knob | 360 Degree 20 Pulse for Arduino R3 Board | 5V Brick Sensor Switch
SPECIFICATIONS
Brand Name: NONE
Choice: yes
Condition: New
High-concerned chemical: none
Origin: Mainland China
Type: Voltage Regulator
KY-040 Rotary Encoder Module with Knob | 360 Degree 20 Pulse for Arduino R3 Board | 5V Brick Sensor Switch
Product Overview
The KY-040 360-degree rotary encoder module, designed for Arduino and microcontroller projects! Features infinite rotation counting with 20 pulses per revolution and built-in push button. Unlike potentiometers, it has no mechanical limits and offers longer lifespan - perfect for menu navigation, speed adjustment, and position control.
Key Features
• 360-degree infinite rotation, no physical limits
• 20 pulses per revolution, bidirectional counting
• Built-in push button (press to reset)
• Operating voltage: 5V DC
• High precision positioning, long lifespan
• Standard 3-pin interface (CLK, DT, SW)
• Includes knob cap for easy installation
Technical Specifications
• Operating Voltage: 5V
• Pulse Count: 20 PPR (20 pulses per revolution)
• Rotation: 360-degree infinite rotation
• Switch Type: Push-button reset switch
• Interface: CLK (Clock), DT (Data), SW (Switch), +, GND
• Module Size: 31×19×29mm
• Mounting: Standard fixing holes
Applications
• Arduino menu selection systems
• Volume/brightness control
• Motor speed and position control
• Robot joint positioning
• Smart home device control
• Electronic instrument parameter adjustment
Package Includes
• 1× KY-040 Rotary Encoder Module
• 1× Knob Cap






- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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