Rotary encoders are used in a wide range of applications that require monitoring or control, or both, of mechanical systems, including industrial controls, robotics, photographic lenses, computer input devices such as optomechanical mice and trackballs, controlled stress rheometers, and rotating radar platforms. Applications: Industrial controls, robotics, photographic lenses, computer input devices such as optomechanical mice and trackballs, controlled stress rheometers, and rotating radar platforms. The phase relationship and number of rotations of AB can be identified using a simple digital logic circuit (exclusive OR gate and D flip-flop). Specifications: Model: EC11 ultra-thin Type: Encoder code with Switch Adjustment method: 360 Degree Rotary Pins: 5 Number of digits: 20 digits Shaft diameter: 6mm/0.24inch (Threaded to accept locking nut) Length of Shaft: 20mm/ 0.79inch Package Included: 10× Rotary Encoder Code Switch Digital Potentiometer 10×Orange Knob Cap Type: Encoder code with Switch . In the forward rotation, the A line phase leads the B line phase; when reversed, the B line phase leads the A line phase. ... 10PCS 20mm 5Pins 360 Degree Rotary Encoder Code Switch Digital Potentiometer wit. L A rotary encoder, also called a shaft encoder, is an electro-mechanical device that converts the angular position or motion of a shaft or axle to digital output signals. Arduino Kit Excefore 360 Degree Code Switch Digital Rotary Encoder According to the timing diagram, it is not rigorously summarized as the falling edge of the clock, A and B are the reversed phase is forward rotation, and the same phase is inverted.