Smart Trash Bin is a trash can that can work automatically through ultrasonic which emits waves when our hands approach the trash can opens via servo and closes again controlled by micro:bit as the brain of all this which is connected to IObit with a voltage of 5 volts can run this system quite smoothly don’t forget the jumper cable that can transfer data, and electricity to all parts of the Smart Trash Bin body with Smart Trash Bin you can throw away trash more easily without opening the lid of the trash can