#include <Stepper.h>

const int ldrPin = 35; 

const int stepsPerRevolution = 200;
Stepper stepper(stepsPerRevolution, 16,17,18,19);

bool isCurtainOpen = false;
int ldrValue = 0;

void setup() {
  Serial.begin(115200);
  stepper.setSpeed(15); 
}

void loop() {
  ldrValue = analogRead(ldrPin);

  if (ldrValue > 1000 && !isCurtainOpen) {
    Serial.println("Cahaya terdeteksi, tirai terbuka.");
    Serial.print("LDR Value: ");
    Serial.println(ldrValue);
    stepper.step(stepsPerRevolution); 
    isCurtainOpen = true;
  } 
  else if (ldrValue <= 1000 && isCurtainOpen) {
    Serial.println("Cahaya tidak terdeteksi, tirai tertutup.");
    Serial.print("LDR Value: ");
    Serial.println(ldrValue);
    stepper.step(-(stepsPerRevolution));
    isCurtainOpen = false;
  }
}