3pcs Rotating Potentiometer Knob Cap Digital Control Receiver Decoder Module Rotary Encoder Module Geekcreit for Arduino
Arduino
sku: 1389155
ACCORDING TO OUR RECORDS THIS PRODUCT IS NOT AVAILABLE NOW
$9.99
Shipping from: China
Description
Description Working voltage DC 5VA circle of pulse count 20 Rotary encoder through rotation direction and reverse direction can count is in the process of the number of output pulse rotating counter unlike potentiometer the rotation count there is no limit Cooperate with the buttons on the rotary encoder can be reset to the initial state that is from z ero start counting Incremental encoder is a kind of rotation displacement is converted to a series of digital pulse signal of rotary sensors These pulses are used to control the angular displacement In Eltra encoder angular displacement of the conversion principle of photoelectric scanning is adopted Reading system in order to made up of alternating transparent window and opaque window of radial index plate encoder on the basis of the rotation vertical irradiation at the same time be an infrared light source optical encoder of the image projected on the receiver on the surface Receiver is covered with a layer of diffraction grating it has the same window width and encoder Receivers job is to feel the disc rotation changes then the light is converted into the corresponding electric changes To make low level signal to rise to a higher level and produces no square pulse interference it must use electronic circuit to deal with Reading system usually adopts finite difference method the two waveform but different phase difference of 180signal comparison in order to improve the quality and stability of
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