#include <AccelStepper.h>

// Define the number of steps per revolution for your stepper motor
#define STEPS_PER_REVOLUTION 200

// Define the pins connected to the stepper motor driver
#define STEP_PIN 2
#define DIR_PIN 3

// Create an instance of the AccelStepper library
AccelStepper stepper(AccelStepper::FULL4WIRE, STEP_PIN, DIR_PIN);

// Constants for the sine wave parameters
const float amplitude = 100;   // Amplitude of the sine wave (adjust as needed)
const float frequency = 1.1;   // Frequency of the sine wave (adjust as needed)
const float phaseShift = 0.0;  // Phase shift of the sine wave (adjust as needed)

void setup() 
{
  // Set the maximum speed and acceleration of the stepper motor
  stepper.setMaxSpeed(10000);   // Adjust as needed
  stepper.setAcceleration(500); // Adjust as needed

  // Set the initial position of the stepper motor
  stepper.setCurrentPosition(0);
}

void loop() 
{
  // Calculate the target position based on the sine wave
  float time = millis() * 0.001;  // Convert milliseconds to seconds
  float targetPosition = amplitude * sin(2 * PI * frequency * time + phaseShift);

  // Move the stepper motor to the target position
  stepper.moveTo(targetPosition);

  // Run the stepper motor until it reaches the target position
  stepper.run();

  // You can adjust the delay to control the speed of the sine wave
  delay(1);  // Adjust as needed
}