How to make Automatic Door Opening system using arduino

Project : Automatic Door Opening and Closing System Controller : Arduino Uno https://ejctraining.wordpress.com/2016/11/30/engineering-jobs-and-careers/ The project generally relates to an automatic opening and closing of door which will sense person or object approaching door and open automatically. This system is controlled by Arduino micro controller. The system includes DC motor which makes door to slides during opening or closing by rack and pinion gearing, a LCD to display information state of door,