Cyful KY040 Rotary Encoder Module Brick Sensor Development for arduino5pcs

Features: 1.In Eltra angular displacement encoder conversion using a photoelectric scanning principle. 2.The conversion of the angular displacement in the Eltra encoder uses the principle of photoelectric scanning. 3.The rotary encoder can count the number of pulse output during rotation in the positive direction and reverse direction through the rotation and this rotation counts are not limited. Specification: Working voltage: 5V One round number of pulse: 20 Material: Electronic components + PCB Package Included:5× Rotary Encoder Module