KY-040 Rotary Encoder Module For Arduino AVR PIC STM32 Raspberry Pi 5V Digital Incremental Encoder For Accurate Angular Position, Rotation Direction, And Step Count, Ideal For Robotics, Motion Control, And DIY Electronics

Single-pack rotary encoder module for Arduino and Pi - 5V
✔️ 5V digital incremental encoder with A/B phase outputs

This compact rotary encoder module provides precise quadrature signals that let you measure angular position, rotation direction, and step count. It's a handy choice for robotics, motion control, CNC projects, and DIY electronics prototypes, compatible with Arduino, Raspberry Pi, STM32, AVR, and PIC platforms.

✅ 5V logic compatible with Arduino, AVR, PIC, ESP32, STM32, and Raspberry Pi
✅ Generates precise A/B phase quadrature pulses for position, direction, and step counting
✅ Built-in resettable push button adds user input without extra parts
✅ Standard 5-pin header and copper contacts for easy breadboard wiring
✅ Durable PCB mount with low-noise signaling for real-time control

💡 What is a rotary encoder module used for in hobby electronics? This handy device turns rotation into interpretable digital signals for position, direction, and step counting. - It outputs A/B quadrature signals so microcontrollers can track motion - It enables smooth menu navigation, speed measurement, and motor control - It pairs with 5V boards like Arduino and Raspberry Pi for quick prototyping