Automatic Trolley Human Follower

This project produced an Automatic Trolley Human Follower for general or industrial user. An automatic trolley human follower is developed to help a user or production industry. This automatic trolley human follower is controlled by a PIC 16F877A microcontroller that can follow the user automatically with integrated circuit of ultrasonic and IR sensor. The 12V DC motor was used as the power supplied to move the trolley automatically follow a user in hypermarket or industrial use. In this project a robotic vehicle is fabricated which runs like a regular trolley by carrying tools from place to another to reduce the utilization of human energy in order to carry heavy things. This is done by using a set of receiver and transmitter ultrasonic sensor to detect a user in a 1 meter range and it will follow the user. Ultrasonic receiver will be placed on the user belt and it transmitter placed in the body of trolley while IR sensor is use to detect an obstacle and completely to trace a user in range 1 meter.