#include <Stepper.h>

// Define the motor control pins
const int motorPin1 = 9;
const int motorPin2 = 10;
const int motorPin3 = 11;
const int motorPin4 = 12;

// Define the sequence for stepping the motor (you may need to adjust this for your motor)
const int steps[][4] = {
  {1, 0, 0, 1},  // Step 1
  {0, 1, 0, 1},  // Step 2
  {0, 1, 1, 0},  // Step 3
  {1, 0, 1, 0}   // Step 4
};

// Define the delay between steps (adjust this for your motor and desired speed)
const int stepDelay = 10;

void setup() {
  // Set motor control pins as outputs
  pinMode(motorPin1, OUTPUT);
  pinMode(motorPin2, OUTPUT);
  pinMode(motorPin3, OUTPUT);
  pinMode(motorPin4, OUTPUT);
}

void loop() {
  // Read the value from the photoresistor
  int lightValue = analogRead(A0);
  
  // Map the analog value to a suitable range for controlling the stepper motor speed or direction
  int motorSpeed = map(lightValue, 0, 1023, 10, 50); // Adjust speed range as needed
  
  // Step the motor in one direction
  for (int i = 0; i < 4; ++i) {
    setStep(steps[i][0], steps[i][1], steps[i][2], steps[i][3]);
    delay(stepDelay);
  }
  
  // Adjust speed based on light intensity
  delay(motorSpeed); // Adjust this delay to control speed
}

// Function to set the motor control pins according to the desired step
void setStep(int step1, int step2, int step3, int step4) {
  digitalWrite(motorPin1, step1);
  digitalWrite(motorPin2, step2);
  digitalWrite(motorPin3, step3);
  digitalWrite(motorPin4, step4);
}