// Hardware setup:
// Attach a rotary encoder with output pins to A2 and A3.
// The common contact should be attached to ground.

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

// Example for Arduino UNO with input signals on pin 2 and 3
#define PIN_IN1 4
#define PIN_IN2 3

#define ROTARYSTEPS 0.1
#define ROTARYMIN 0
#define ROTARYMAX 200

// Setup a RotaryEncoder with 4 steps per latch for the 2 signal input pins:
// RotaryEncoder encoder(PIN_IN1, PIN_IN2, RotaryEncoder::LatchMode::FOUR3);

// Setup a RotaryEncoder with 2 steps per latch for the 2 signal input pins:
RotaryEncoder encoder(PIN_IN1, PIN_IN2, RotaryEncoder::LatchMode::TWO03);

// Last known rotary position.
float lastPos = -1;

void setup()
{
  Serial.begin(115200);
  while (! Serial);
  Serial.println("LimitedRotator example for the RotaryEncoder library.");
  encoder.setPosition(10 / ROTARYSTEPS); // start with the value of 10.
} // setup()

// Read the current position of the encoder and print out when changed.
void loop()
{
  encoder.tick();

  // get the current physical position and calculate the logical position
  float newPos = encoder.getPosition() * ROTARYSTEPS;

  if (newPos < ROTARYMIN) {
    encoder.setPosition(ROTARYMIN / ROTARYSTEPS);
    newPos = ROTARYMIN;

  } else if (newPos > ROTARYMAX) {
    encoder.setPosition(ROTARYMAX / ROTARYSTEPS);
    newPos = ROTARYMAX;
  } // if

  if (lastPos != newPos) {
    Serial.print(newPos);
    Serial.println();
    lastPos = newPos;
  } // if
} // loop ()

// The End

// Hardware setup:
// Attach a rotary encoder with output pins to A2 and A3.
// The common contact should be attached to ground.

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

// Example for Arduino UNO with input signals on pin 2 and 3
#define PIN_IN1 4
#define PIN_IN2 3

#define ROTARYSTEPS 0.1
#define ROTARYMIN 0
#define ROTARYMAX 200

// Setup a RotaryEncoder with 4 steps per latch for the 2 signal input pins:
// RotaryEncoder encoder(PIN_IN1, PIN_IN2, RotaryEncoder::LatchMode::FOUR3);

// Setup a RotaryEncoder with 2 steps per latch for the 2 signal input pins:
RotaryEncoder encoder(PIN_IN1, PIN_IN2, RotaryEncoder::LatchMode::TWO03);

// Last known rotary position.
float lastPos = -1;

void setup()
{
  Serial.begin(115200);
  while (! Serial);
  Serial.println("LimitedRotator example for the RotaryEncoder library.");
  encoder.setPosition(10 / ROTARYSTEPS); // start with the value of 10.
} // setup()

// Read the current position of the encoder and print out when changed.
void loop()
{
  encoder.tick();

  // get the current physical position and calculate the logical position
  float newPos = encoder.getPosition() * ROTARYSTEPS;

  if (newPos < ROTARYMIN) {
    encoder.setPosition(ROTARYMIN / ROTARYSTEPS);
    newPos = ROTARYMIN;

  } else if (newPos > ROTARYMAX) {
    encoder.setPosition(ROTARYMAX / ROTARYSTEPS);
    newPos = ROTARYMAX;
  } // if

  if (lastPos != newPos) {
    Serial.print(newPos);
    Serial.println();
    lastPos = newPos;
  } // if
} // loop ()

// The End