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The rotary encoder is the modern digital equivalent of the potentiometer. It is used over a wide range of applications because it is robust and because its rotation count is not limited.
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This module features a rotational displacement encoder which outputs a series of pulses whenever the switch is rotated. It features two-phase outputs (A and B), that can also be used to sense the direction of rotation and a special output signal Z which indicates the absolute zero position of the rotary switch.
This rotary encoder can be reset to its initial state, from 0 to start counting.
It can be used as a fancy potentiometer replacement for digital amplifiers and other similar applications, allowing you to use an unlimited number of turns, in contrast to the classical potentiometers.
Raspuns pentru Antal
Daca ii lipesti si R1 pe spate, va avea si pull-up pe SW...
Merge bine
Tot ce trebuie stiut este ca butonul (SW) nu are pull-up deci trebuie setat pinul ca si INPUT_PULLUP, in rest e ok. Am scris un cod exemplu, le gasiti aici: https://github.com/aattila/arduino/blob/master/RotaryEncoder/RotaryEncoder.ino
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