Rotary Encoder Module (KY‑040)

Overview

Rotary encoder module with push button. For digital input with direction and steps. Supply: 5V.

Key Features

• Incremental encoder
• Push button
• Supply: 5V
• Two output signals (A, B)

Specifications

• Resolution: 20 pulses per revolution

Dimensions & Weight

• Length: ~30 mm
• Width: ~20 mm
• Weight: ~10 g

Package Includes

• 1 × Rotary Encoder Module

Applications

• User input for menus and settings
• Position and speed sensing
• Arduino and embedded projects