#include <Stepper.h>
#include <LiquidCrystal_I2C.h>

const int stepsPerRevolution = 200;
Stepper myStepper(stepsPerRevolution, 8, 9);
LiquidCrystal_I2C lcd(0x27, 16, 2);
const int pirPin = 2;
const int pirPin2 = 12;
bool motorActive = false;

void setup() {
  pinMode(pirPin, INPUT);
  pinMode(pirPin2, INPUT);
  myStepper.setSpeed(900);
}

void loop() {
  if (digitalRead(pirPin) == HIGH) {
    myStepper.step(800);
    motorActive = true;
    delay(500);
  } else {
    if (motorActive) {
      myStepper.step(-800);
      delay(500);
      motorActive = false;
      if (digitalRead(pirPin) == LOW) {
        motorActive = true;
      }
    }
  }

  if (motorActive && digitalRead(pirPin2) == HIGH) {
    myStepper.step(0);
    motorActive = false;
    while (digitalRead(pirPin) != HIGH) {
      delay(100); 
    }
  }
}