Automation, sensing and robotics • cant install modules for official RPI camera

Code:

import timeimport ioimport threadingimport picamera2import picamera2.arrayimport numpy as npimport RPi.GPIO as GPIO# Set up GPIORELAY_PIN = 17  # Change this to the GPIO pin you're using for the relayGPIO.setmode(GPIO.BCM)GPIO.setup(RELAY_PIN, GPIO.OUT)# Camera settingsRESOLUTION = (640, 480)FRAMERATE = 10THRESHOLD = 30  # Adjust this value to change motion sensitivity# Initialize variableslast_motion_time = time.time()relay_state = Falsedef detect_motion(camera):    global last_motion_time, relay_state        stream = picamera.array.PiRGBArray(camera)        for f in camera.capture_continuous(stream, format='rgb', use_video_port=True):        frame = np.frombuffer(stream.getvalue(), dtype=np.uint8)        frame = frame.reshape((RESOLUTION[1], RESOLUTION[0], 3))                # Simple motion detection        gray = np.dot(frame[..., :3], [0.299, 0.587, 0.114])        if 'last_frame' in locals():            diff = np.abs(gray - last_frame)            motion_detected = np.sum(diff > THRESHOLD) > 200  # Adjust 200 for sensitivity                        if motion_detected:                last_motion_time = time.time()                if not relay_state:                    GPIO.output(RELAY_PIN, GPIO.HIGH)                    relay_state = True                    print("Motion detected! Relay turned ON")            elif time.time() - last_motion_time > 300:  # 5 minutes = 300 seconds                if relay_state:                    GPIO.output(RELAY_PIN, GPIO.LOW)                    relay_state = False                    print("No motion for 5 minutes. Relay turned OFF")                last_frame = gray        stream.seek(0)        stream.truncate()def main():    with picamera.PiCamera() as camera:        camera.resolution = RESOLUTION        camera.framerate = FRAMERATE                print("Warming up...")        time.sleep(2)        print("Motion detection started")                try:            detect_motion(camera)        except KeyboardInterrupt:            print("Stopping motion detection")        finally:            GPIO.cleanup()if __name__ == "__main__":    main()