HiLetgo 5pcs 360 Degrees Rotary Encoder Module for Arduino Brick Sensor Switch

Features: Size: About 31 * 19 * 29mm / 1.22" * 0.75" * 1.14" Main color: Black Working voltage: 5V Pulse circle: 20 By rotating the rotary encoder can be counted in the positive direction and the reverse direction during rotation of the output pulse frequency, unlike rotary potentiometer count, this rotation counts are not limited. With the buttons on the rotary encoder can be reset to its initial state, that starts counting from 0.   Package Included: 5 * Rotary Encoder Module