#include <Stepper.h>

// Define stepper motor connections
/*
  28BYJ-48 stepper motor with ULN2003
  IN1 7
  IN2 6
  IN3 5
  IN4 4
*/

const long stepsPerRevolution = 4096; // Adjust based on your motor

const int IN4 = 4;
const int IN3 = 5;
const int IN2 = 6;
const int IN1 = 7;

// 7,5,6,4
Stepper stepperMinute(stepsPerRevolution, IN1, IN3, IN2, IN4);
// 4,6,5,7 TO REVERSE DIRECTION
//Stepper stepperMinute(stepsPerRevolution, IN4, IN2, IN3, IN1);

void setup() {
  // Set initial positions
  //stepperHour.setCurrentPosition(0);
  //stepperMinute.setCurrentPosition(0);
  Serial.begin(115200);
  stepperMinute.setSpeed(5);
}

unsigned long prevminuteSteps = 0;
int interval = 30000;
long prevTime = 0;
long cumuSteps = 0;

void loop() {
  // Calculate current time and steps needed
  long currentTime = millis();

  if (currentTime - prevTime > interval) {
    prevTime = currentTime;
    int seconds = currentTime / 1000;
    int minutes = seconds / 60;
    seconds %= 60;  //sec = remainder of seconds / 60
    int hours = minutes / 60;
    minutes %= 60;  //min = reminder of minutes / 60

    // increment every minute
    //unsigned long minuteSteps = hours * stepsPerRevolution + minutes * stepsPerRevolution / 60;

    // increment every second
    unsigned long minuteSteps = hours * stepsPerRevolution + (minutes * stepsPerRevolution + seconds * stepsPerRevolution / 60) / 60;
    long steps = minuteSteps - prevminuteSteps;
    prevminuteSteps = minuteSteps;

    // Move stepper motors to correct positions

    stepperMinute.step(steps);
    // power cut
    digitalWrite(IN1, LOW); digitalWrite(IN2, LOW); digitalWrite(IN3, LOW); digitalWrite(IN4, LOW);
    //long cumuSteps = cumuSteps + steps;
    cumuSteps >= stepsPerRevolution ? cumuSteps = 0 : cumuSteps = cumuSteps + steps;
    Serial.println ((double(cumuSteps) / double(stepsPerRevolution)) * 12 );
  }

}