import cv2

# Set the camera index (0 by default, or use 1, 2, etc. for multiple cameras)
camera_index = 0

# Open the camera capture
cap = cv2.VideoCapture(camera_index, cv2.CAP_V4L2)

# Check if the camera was opened successfully
if not cap.isOpened():
    print("Failed to open camera")
    exit()

# Set the camera properties (exposure, in this case)
cap.set(cv2.CAP_PROP_AUTO_EXPOSURE, 0.25)  # Disable auto exposure
cap.set(cv2.CAP_PROP_EXPOSURE, 0.1)  # Set exposure value (0.1 seconds in this case)

# Read and display frames from the camera
while True:
    # Capture frame-by-frame
    ret, frame = cap.read()

    # Check if the frame was captured successfully
    if not ret:
        print("Failed to capture frame")
        break

    # Display the resulting frame
    cv2.imshow('Frame', frame)

    # Check for key press to exit
    if cv2.waitKey(1) & 0xFF == ord('q'):
        break

# Release the capture and close all windows
cap.release()
cv2.destroyAllWindows()