The effect of rotary encoder.！

Encoders are used to measure physical quantities such as speed, position, velocity, or angle. It is the mechanical displacement into electric signal sensor, divided into incremental and absolute value of two. Incremental encoders generate pulse signals that measure the speed, length, or position using pulses. For absolute encoders, the numerical value of each position for a displacement. Encoder has a rotating disk (code plate), with a number of transparent and opaque windows, with the optical receiver to collect

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