Two Pack KY 040 Rotary Encoder Modules For Arduino Raspberry Pi And STM32 Development Boards 360 Degree Incremental Encoders With 20 Pulses Per Revolution EMD 2P Compatible Easy Plug And Play Sensor Kit For Hobbyists And Makers
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✔️ 5V operation, 20 PPR, pack of 2 encoder modules for Arduino & Pi
These KY-040 incremental rotary encoder modules are compact input sensors used in hobbyist and educational projects to convert rotation into digital pulse streams. They’re widely used with Arduino, Raspberry Pi, and STM32 boards to add precise user input and position tracking to DIY machines and interfaces.
✅ Type: Rotary Encoder Module KY-040✅ Working Voltage: 5V
✅ Pulse Count Per Circle: 20
✅ Purpose: counts pulses in positive and negative rotation; unlimited rotation; pushbutton resets to 0
✅ Package Includes: 2x Rotary Encoder Module KY-040
💡 What is a KY-040 rotary encoder module used for in Arduino projects and Raspberry Pi setups? This handy device converts rotation into a stream of digital pulses that your microcontroller can count to measure position or track turning direction. - 20 PPR provides precise angular steps for motion sensing - 5V compatibility with common microcontrollers like Arduino and STM32 - Built-in pushbutton allows resetting the count to zero for quick reinitialization