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RLECS 2pcs Encoder Module Brick Sensor clickable Switch 360 Degree Rotary KY-040 with Knob Cap for Arduino
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RLECS 2pcs Encoder Module Brick Sensor clickable Switch 360 Degree Rotary KY-040 with Knob Cap for Arduino
The KY-040 rotary encoder is a 360 degree rotary input device that provides an indication of how much the knob has been rotated AND which direction it is rotating in.
RLECS 2pcs Encoder Module Brick Sensor clickable Switch 360 Degree Rotary KY-040 with Knob Cap for Arduino
Item #: 33724929

RLECS 2pcs Encoder Module Brick Sensor clickable Switch 360 Degree Rotary KY-040 with Knob Cap for Arduino

Item #: 33724929

ISK 2396

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The KY-040 rotary encoder is a 360 degree rotary input device that provides an indication of how much the knob has been rotated AND which direction it is rotating in.
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What Stands Out

Precise Control
The RLECS Encoder Module enables smooth, accurate adjustments for variable inputs, making it ideal for projects requiring precise rotary control in Arduino applications.
User-Friendly Design
Equipped with a clickable switch and ergonomic knob cap, this module simplifies user interaction, enhancing usability for both beginners and advanced users in DIY electronics.
Versatile Compatibility
Designed for seamless integration with Arduino, this encoder module suits various projects, from robotics to gaming interfaces, providing flexibility and enhancing innovation in electronic designs.

Product Details

Shop RLECS 2pcs Encoder Module Brick Sensor clickable Switch 360 Degree Rotary KY-040 with Knob Cap for Arduino online at a best price in Iceland. B07YFPV5N4
Brand NameRLECS
Age Range DescriptionKid
ManufacturerRLECS
UPC713838209902
Model NumberRDE-KY040-2
Manufacturer Part NumberRDE-KY040-2
Manufacturer recommended age1 month and up
Educational ObjectiveGame, play
Operation ModeManual
SizeSmall
Material Typecopper
Item Weight0.1 lbs (50 grams)

Who Should Buy?

Suitable For
  • Hobbyist Developers

    Ideal for hobbyists who enjoy building interactive projects with Arduino that require precise input controls.

  • Robotics Projects

    Useful in robotics applications where precise angle measurement and control are crucial for servo motors.

  • Educational Purposes

    Perfect for educational settings, supporting students' understanding of sensors and Arduino programming in practical experiments.

Not Suitable For
  • Commercial Use

    Not suitable for commercial applications needing high reliability and durability over prolonged use in harsh environments.

Product Description

RLECS 2pcs Encoder Module Brick Sensor clickable Switch 360 Degree Rotary KY-040 with Knob Cap for Arduino

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the RLECS 2pcs Encoder Module Brick Sensor used for?

    Answer: The RLECS 2pcs Encoder Module Brick Sensor is primarily used for precise rotational control in various projects, particularly with Arduino systems. This module allows for smooth input readouts, ideal for applications like volume control, menu navigation, and robotics. Its 360-degree rotary functionality empowers users to create intuitive user interfaces or control systems that require accurate positioning.
  • Question: How do I connect the RLECS KY-040 Encoder Module to my Arduino?

    Answer: Connecting the RLECS KY-040 Encoder Module to an Arduino is straightforward. You typically connect the output pins of the encoder to the digital pins of the Arduino, while ensuring power and ground connections are secure. Each encoder's data pin outputs information as you rotate the knob, allowing the Arduino to read and respond accordingly. This makes it an excellent choice for interactive projects where user input is essential.
  • Question: Is the RLECS Encoder Module compatible with other microcontrollers?

    Answer: Yes, the RLECS Encoder Module Module is versatile and compatible with various microcontrollers, including Raspberry Pi and ESP32. Its standard output signals allow it to interface easily with different programming environments. This flexibility is beneficial for developers and hobbyists looking to experiment with various platforms and projects.
  • Question: What are some projects I can create using the RLECS Encoder Module?

    Answer: With the RLECS Encoder Module, you can build a wide array of projects such as custom audio volume controllers, robotic arms with precise positioning, or interactive LED displays. The module's ability to provide rotary input means you can create engaging, responsive systems that enhance user experience, whether in home automation or educational kits.
  • Question: What is the significance of the knob cap on the RLECS Encoder Module?

    Answer: The knob cap on the RLECS Encoder Module facilitates better user interaction by providing a tactile interface for rotation. This means users can easily adjust settings or navigate options simply by turning the knob. The design enhances usability, making it particularly suitable for applications like control panels and user interfaces requiring frequent adjustments.
  • Question: Does this module support multiple encoders on a single Arduino?

    Answer: Yes, the RLECS Encoder Module can be daisy-chained or used with multiple encoders on a single Arduino board. By assigning different digital pins for each encoder, you can easily read inputs from multiple sensors simultaneously. This feature is advantageous for complex projects that need to process multiple user inputs or control different devices interchangeably.
  • Question: What programming libraries can I use with the RLECS Encoder Module?

    Answer: For programming the RLECS Encoder Module with Arduino, popular libraries such as the Encoder library or the Rotary library are available. These libraries simplify the coding process and provide built-in functions for efficiently reading the rotary position and direction. This allows for quick project setup and functionality, especially for beginners or those seeking more streamlined code.
  • Question: Is the RLECS Encoder Module suitable for beginners?

    Answer: Absolutely! The RLECS Encoder Module is beginner-friendly due to its simple connections and widely available resources for code and tutorials. New users can easily understand the basic principles of rotary encoding while applying them to practical projects. Introductory electronics and programming with this module can be a fun and engaging way to develop foundational skills in embedded systems.
  • Question: Can I use the RLECS Encoder Module for gaming applications?

    Answer: Yes, the RLECS Encoder Module can be effectively employed in gaming applications, such as creating custom controllers or interactive gaming interfaces. Its ability to provide precise input control allows for nuanced gameplay mechanics, like adjusting settings on the fly or navigating complex menus. This enhances the overall user experience, making it a popular choice among game developers.
  • Question: Where can I buy RLECS 2pcs Encoder Module Brick Sensor clickable Switch 360 Degree Rotary KY-040 with Knob Cap for Arduino in Iceland?

    Answer: You can buy the RLECS 2pcs Encoder Module Brick Sensor from Ubuy, which provides a reliable source for electronic components in Iceland. Ubuy offers a variety of products and ensures a smooth shopping experience for your needs. With their platform, you can access detailed product descriptions, customer reviews, and various purchasing options to support your Arduino projects.

RLECS Switch Encoders RDE-KY040-2 Editorial Review

RLECS 2pcs Encoder Module Brick Sensor clickable Switch 360 Degree Rotary KY-040 with Knob Cap for Arduino is designed for those who enjoy interactive projects. This encoder module operates in a manual mode, making it suitable for kids aged one month and up, allowing them to explore game and play educational objectives. constructed from durable copper, these small-sized sensors weigh only 0.1 lbs, making them perfect for various DIY electronics. Users appreciate the ease of integrating these modules into Arduino projects, enhancing the interactivity of their creations.

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Pros

  • Perfect for kid-friendly educational projects
  • Lightweight and easy to handle
  • Manual operation encourages hands-on learning
  • Durable copper construction for longevity
  • Compatible with Arduino for versatile use

Cons

  • May require additional components for some projects

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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8 September 2026 · via Trustpilot
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ISK 2396

Order now and get it around Friday, September 25

QTY:

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Fastest cross-border delivery

Features & Benefits

  • 360 degree rotary input device for precise control
  • Ideal for stepper and servo motor control
  • Can be used to control devices like digital potentiometers
  • Includes a push button switch for additional functionality
  • No limitation on rotation counts
  • Can be reset to its initial state with the button

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