#include <Arduino.h>

#define CLK_PIN1 25
#define DT_PIN1 26

#define CLK_PIN2 22
#define DT_PIN2 23

#define CLK_PIN3 19
#define DT_PIN3 18

#define CLK_PIN4 16
#define DT_PIN4 17

volatile int counter1 = 0;
volatile int counter2 = 0;
volatile int counter3 = 0;
volatile int counter4 = 0;

void handleInterrupt1() {
  if (digitalRead(DT_PIN1) == HIGH) {
    counter1--;
  } else {
    counter1++;
  }
}

void handleInterrupt2() {
  if (digitalRead(DT_PIN2) == HIGH) {
    counter2--;
  } else {
    counter2++;
  }
}

void handleInterrupt3() {
  if (digitalRead(DT_PIN3) == HIGH) {
    counter3--;
  } else {
    counter3++;
  }
}

void handleInterrupt4() {
  if (digitalRead(DT_PIN4) == HIGH) {
    counter4--;
  } else {
    counter4++;
  }
}

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

  pinMode(CLK_PIN1, INPUT_PULLUP);
  pinMode(DT_PIN1, INPUT_PULLUP);
  pinMode(CLK_PIN2, INPUT_PULLUP);
  pinMode(DT_PIN2, INPUT_PULLUP);
  pinMode(CLK_PIN3, INPUT_PULLUP);
  pinMode(DT_PIN3, INPUT_PULLUP);
  pinMode(CLK_PIN4, INPUT_PULLUP);
  pinMode(DT_PIN4, INPUT_PULLUP);

  attachInterrupt(digitalPinToInterrupt(CLK_PIN1), handleInterrupt1, RISING);
  attachInterrupt(digitalPinToInterrupt(CLK_PIN2), handleInterrupt2, RISING);
  attachInterrupt(digitalPinToInterrupt(CLK_PIN3), handleInterrupt3, RISING);
  attachInterrupt(digitalPinToInterrupt(CLK_PIN4), handleInterrupt4, RISING);
}

void loop() {
  Serial.print("Counter 1: ");
  Serial.println(counter1);
  Serial.print("Counter 2: ");
  Serial.println(counter2);
  Serial.print("Counter 3: ");
  Serial.println(counter3);
  Serial.print("Counter 4: ");
  Serial.println(counter4);
  delay(1000);
}