#include <Servo.h>
 
#define PIR1_PIN 2
#define PIR2_PIN 3
#define PIR3_PIN 4
#define BUTTON1_PIN 5
#define BUTTON2_PIN 6
#define SERVO_PIN 9
 
Servo servo;
 
bool pir1_triggered = false;
bool pir2_triggered = false;
bool pir3_triggered = false;
 
unsigned long movement_start_time = 0;
const unsigned long movement_duration = 30000; // 30 seconds
 
void setup() {
  pinMode(PIR1_PIN, INPUT);
  pinMode(PIR2_PIN, INPUT);
  pinMode(PIR3_PIN, INPUT);
  pinMode(BUTTON1_PIN, INPUT_PULLUP);
  pinMode(BUTTON2_PIN, INPUT_PULLUP);
 
  servo.attach(SERVO_PIN);
}
 
void loop() {
  if (digitalRead(PIR1_PIN) == HIGH) {
    pir1_triggered = true;
    movement_start_time = millis();
  }
  if (digitalRead(PIR2_PIN) == HIGH) {
    pir2_triggered = true;
    movement_start_time = millis();
  }
  if (digitalRead(PIR3_PIN) == HIGH) {
    pir3_triggered = true;
    movement_start_time = millis();
  }
 
  if ((millis() - movement_start_time) < movement_duration) {
    if (pir1_triggered || pir2_triggered || pir3_triggered) {
      servo.write(180);
    }
  } else {
    servo.write(0);
    pir1_triggered = false;
    pir2_triggered = false;
    pir3_triggered = false;
  }
 
  if (digitalRead(BUTTON1_PIN) == LOW) {
    servo.write(180);
    delay(50); 
  }
 
  if (digitalRead(BUTTON2_PIN) == LOW) {
    servo.write(0);
    delay(50); 
  }
}