rotary.ino

#include <Arduino.h>
#include <RotaryEncoder.h>

#define PIN_IN1 2
#define PIN_IN2 3

RotaryEncoder encoder(PIN_IN1, PIN_IN2);
int lastPos = 0;

void setup() {
  Serial.begin(115200);
}

void loop() {
  encoder.tick();
  int newPos = encoder.getPosition();
  if (lastPos != newPos) {
    Serial.printf("encoder new position: %d\n", newPos);
    lastPos = newPos;
  } 
}