KY-040 M274 360 Degrees Rotary Encoder Module for Arduino In Pakistan The rotation counting is unlimited. An incremental encoder is a rotating sensor that converts rotation displacement into a series of digital pulse signals. Purpose: The rotary encoder can count the quantity of output pulse in the positive and negative direction rotation. Incremental Encoder For DIY 5PCS Lot KY-040 360 Degrees Rotary Switch Encoder Module With 15x13.5 KY-040 Rotary Encoder Module 360 degree rotary encoder module KY-040 FOR ARDUINO modulefor Arduino rotary encoder module KY-040Working voltage: 5VNumber of pulses in one circle: 20The rotary encoder can count the number of output pulses during the rotation in the positive and negative directions by rotation. The rotation count is not like the potentiometer These pulses are used to control angular displacement. Type: Rotary Encoder Module Model: KY-040 Working Voltage: 5V Pulse Count Per Circle: 20 Purpose: The rotary encoder can count the quantity of output pulse in the positive and negative direction rotation. 360 Degrees Encoder Rotary Potentiometer Analog Knob Module For Arduino Ky 040 Rotary Encoder Ec11 Knob Cap Reland I.821049799 The reading system usually uses differential mode to compare two different waveforms, but the phase difference is 180 degrees, so as to improve the quality and stability of the output signal.