String arah;
int initial;
int last;

int hitung = 0;
int CLK = 27;
int DT  = 14;
int SW  = 12;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(CLK, INPUT);
  pinMode(DT, INPUT);
  pinMode(SW, INPUT_PULLUP);
  last = digitalRead(CLK); 
  
}

void loop() {
  // put your main code here, to run repeatedly:
  initial = digitalRead(CLK); 
  if (digitalRead(DT) !=  initial){
    hitung --;
    arah = "counter clockwise";
  }
  else {
    hitung ++;
    arah = "clockwise";
  }
  delay(10); // this speeds up the simulation
  Serial.println(arah);
  initial = last;
}