Rotary Encoder Module


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Detail about Rotary Module 

Rotation of the rotary encoder may be counted by the positive rotation direction and a reverse direction pulse frequency output during rotation potentiometer not count this rotation count is not limited. With buttons on the rotary encoder can be reset to the initial state, that starts counting from 0.

The incremental encoder is a series of numbers is converted to rotational displacement of the rotary pulse signal sensor , these pulses are used to control the angular displacement , the angular displacement encoder Eltra of photoelectric conversion using a scanning principle . Reading system to rotate the radial indexing plate ( disc) by alternating transparent and opaque windows windows constitute the basis, while the vertical irradiation by an infrared light source , the light of the projected image encoder to a receiver surface , the receiver is covered with a layer of a diffraction grating , and a code plate having the same window width. The receiver 's job is to feel changes produced by rotation of the disc , and then converts the light into a corresponding change in the electrical change, and then make up to the higher level signal is low , and there is no interference generated square pulses , which must be electronic circuit to deal with. Reading systems typically employ differential mode, but as soon the two waveforms for different signal phase by 180 ° compared in order to improve the quality and stability of the output signal, the reading is then formed on the basis of the difference between the two signals , thereby eliminating interference.


  • Dimensions : 1.22 in x 0.75 in x 1.18 in (3.1 cm x 1.9 cm x 3 cm)
  • Weight : 0.35 oz (10 g)
  • Other Feature : Operating voltage: 5V
  • Circle pulses: 20.
  • Material : Glass fiber + plastic + iron
  • Color : Black 


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Rotary Encoder Module

Rotary Encoder Module

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