Project Description: The project name is Smart dustbin. In this project, we have used Ardiuno Uno, Micro servo motor and ultrasonic sensor. The project is that when anyone will come in front of ultrasonic sensor, the sensor will sense the person and dustbin will be opened and the person will throw the trash and he will go, the dustbin will closed.We have done codding with poctoblox and we have done block codding.