Goodhd 5Pcs Rotary Encoder Module Brick Sensor Development Board For Arduino

feature: Material: electronic components + PCB Size: about 31*19*29mm/1.22 *0.75 *1.14 Main color: black Working voltage: 5V Pulse circle: 20 The rotary encoder can count forward and backward during the rotation of the output pulse frequency Unlike rotary potentiometer counting this rotary counting is not restricted. The button on the rotary encoder can be reset to the initial state that is counting from 0 Package Included: 5 x rotary encoder module