1. import RPi.GPIO as GPIO
2. import time
3. import pygame
4.  
5. # ... (rest of the code remains the same)
6.  
7. try:
8.     people_inside = 0  # Counter for people inside the room
9.     entry_cooldown = False  # Flag to prevent rapid multiple entries
10.     exit_cooldown = False  # Flag to prevent rapid multiple exits
11.  
12.     while True:
13.         enter_distance = measure_distance(ENTER_TRIG_PIN, ENTER_ECHO_PIN, num_readings=5)
14.         exit_distance = measure_distance(EXIT_TRIG_PIN, EXIT_ECHO_PIN, num_readings=5)
15.  
16.         # Detecting if someone is within 30 cm range for entry
17.         if enter_distance < 30 and not entry_cooldown:
18.             people_inside += 1
19.             entry_cooldown = True
20.             time.sleep(2)  # Entry cooldown period, adjust as needed
21.  
22.         # Detecting if someone is within 30 cm range for exit
23.         if exit_distance < 30 and people_inside > 0 and not exit_cooldown:
24.             people_inside -= 1
25.             exit_cooldown = True
26.             time.sleep(2)  # Exit cooldown period, adjust as needed
27.  
28.         if people_inside > 0:
29.             play_audio()
30.             control_led_strip(GPIO.HIGH)
31.         else:
32.             stop_audio()
33.             control_led_strip(GPIO.LOW)
34.  
35.         if not (enter_distance < 30):
36.             entry_cooldown = False
37.  
38.         if not (exit_distance < 30):
39.             exit_cooldown = False
40.  
41. except KeyboardInterrupt:
42.     GPIO.cleanup()
43.     pygame.mixer.quit()
44.