Grab'eM Arduino rotary encoder(Blue)

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 limitedWith the buttons on the rotary encoder can be reset to its initial state, that starts counting from 0Technical parameters:• Power : 5V• Pulse Circle : 20• Material : PCB, Alluminum• Net Weight : 8G• Color: Black