Learn how to build an automatic trash bin using the ultrasonic sensor, a servo motor, an Arduino UNO, and cardboard. — For this project, you will need: An Arduino UNO A SG90 servo motor A HC-SR04 ultrasonic sensor Jumper wires Hot glue gun Scissor Barbecue skewers Cardboard About this project Some weeks ago, I was looking for interesting Arduino projects to build, and I found out some people who made a trash bin using…