Smart Trash Bin is a smart trash can that uses sensors and electronic systems to work automatically and the sensors used are microbit, IObit, servo, ultrasonic, jumper cable, USB data cable and how the Smart Trash Bin works is that the user brings his hand close to the trash can to throw away the trash, the ultrasonic receives data, the servo is moved so that the cover opens then the user throws away the trash when the user’s hand is moved away then the cover closes again