Dustbin is a familiar term for all householders as well as every people. Dustbins are being globally utilised in public places, within bathrooms of any school, college and offices. An open dustbin is very unhygienic as mosquitoes, flies fly around it. Sometimes a very bad smell creates a lot of health problems. It also creates very unhealthy and unhygienic environment. Keeping in the view of these big problems, it will be a good idea to use smart dustbin for public wastages. Contactless dustbin will also help the society to fight against pandemic diseases. The designed dustbin has been presented in this paper. With the help of ultrasonic sensor, the dustbin automatically detects the human motion and gives the necessary response to servo motor. The detail working and necessary diagram are presented below in this paper.