Digital-Rotary-Encoder-Module-Whadda-WPI435-p-The-Whadda-WPI435-digital-rotary-encoder-is-an-input-device-that-indicates-the-rotating-direction-and-how-much-the-control-has-been-rotated-p-p-A-rotary-encoder-is-useful-for-for-stepper-and-servo-motor-control-p-Whadda-WPI435-Digital-Rotary-Encoder-Module