Rotary Encoder Module KY-040 – For Raspberry Pi Arduino – Push and Rotatable – Infinite Rotation – Metal

The KY-040 rotary encoder module is a versatile input device used to measure rotation and direction. Designed for integration with Raspberry Pi, Arduino, and other microcontroller platforms, this metal-built encoder offers infinite 360° rotation and a built-in push button. Ideal for light dimming control, menu navigation, or DIY electronics, it outputs digital pulses for easy decoding and precise control.

Key Features:

Product type: Rotary Encoder Module

Model: KY-040

Rotation: Infinite (360°)

Push button function included

Shaft material: Metal

Compatible with: Arduino, Raspberry Pi, STM32, ESP8266

Use cases: Brightness control, motor positioning, menu selection

Easy integration in microcontroller projects