LED Controller Using Python, Opencv, Mediapipe & Arduino Easy Way. There Should be a password Check the video then get the password and grab the code Go this link and get the video link watch understand then build in your own way Link Below : Get Free Source Code With Tutorial Here is the link: https://youtube.com/playlist?list=PLWyN7K28ZraTLNQIIk_XV7tsra3NxpfGP