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The KY-040 Rotary Encoder Module is a compact and versatile input device used in electronics projects and applications that require precise rotary control. This module includes a rotary encoder and a push-button switch, offering both rotation and button press functions for user interaction.

Specificatoins of Rotary Encoder Module with Push Switch:

  • Size: 3.1mm x 1.8mm
  • Input Voltage: 5V DC.
  • Output Type: Digital signals (quadrature-encoded) for rotation and a digital signal for the push-button switch.
  • Rotary Encoder: This component provides precise tracking of both the direction and amount of rotation. It often consists of two channels, A and B, for detecting rotational changes.
  • Push-Button Switch: The module integrates a momentary push-button switch for user interaction and selection actions.
  • Pinout: The module usually features at least five pins: VCC, GND, CLK (or A), DT (or B), and SW (or button).

Features of Rotary Encoder Module with Push Switch:

  • Rotary Encoder: The module provides the ability to detect both the direction and amount of rotation, making it suitable for applications like volume control, menu navigation, and parameter adjustment.
  • Push Button: The integrated push-button switch offers additional functionality and user interaction, allowing for selection or confirmation actions in various applications.
  • Compact Size: With its small form factor, the module can be easily integrated into projects with space constraints.
  • Digital Output: The module typically provides digital output signals, making it compatible with microcontrollers and digital circuits.
  • Versatile Applications: It can be used in a wide range of projects, including those involving user interfaces, human-machine interaction, and control systems.
  • Usage Tip:
  • When connecting the module to a microcontroller or other input device, consult the datasheet or documentation to ensure the correct wiring of the A, B, and SW pins.
  • Caution:
  • Avoid applying excessive force when rotating the encoder or pressing the push button to prevent damage to the module.
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