In the era of information system authentication is a major problem. Automated embedded systems in today’s world have made a lot of progress. The importance of an automated embedded system has proved highly effective in applications such as surveillance and private security. Modern smart door locks are very susceptible to errors and damage, which will reduce security. Almost every intelligent Door lock has a passcode entry or faces recognition outside the door which makes it vulnerable. The paper is intended to provide the user with open source software OpenCV and proposed an Efficient attitude tracking algorithm (EATA). Furthermore, this article aims to ensure that a key lock system that is retro and modern simultaneously offers a certain safety and reliability. The experimental results show that the proposed system is more efficient, consumes less power, and cost-effective.
