Cytron Rotary Switch Breakout Board

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15-step/pulses rotary encoder Breakout board friendly 3.3V to 5V operated Channel A and Channel B, shifted by 90 degree Similar to grey code encoder Suitable for Human interface in put, changing menu (forward and backward), volume control, and selection This Cytron Rotary Switch Breakout Board is a 15-step/pulses rotary encoder with a nice "step" feel. It is different from a potentiometer because an encoder has full rotation without limits. The unit emits a gray code so that you can tell how much and in what direction the encoder was rotated. A potentiometer normally has an output voltage, while a rotary switch has output pulses: you will need to detect it to know the direction of rotation and pitch. This unit does not come with a button. Show more