Design and development of ultrasonic reverse sensor

Wan Idham , Wan Omar (2013) Design and development of ultrasonic reverse sensor. Project Report. UTeM. (Submitted)

Text DESIGN AND DEVELOPMENT OF ULTRASONIC REVERSE SENSOR 24pages.pdf Download (5MB)

Abstract

This project is about designing and development of ultrasonic reverse sensor using programmable interface controller (PIC) microcontroller system, ultrasonic sensor and several other devices. The main problem of the driver is how to reverse their vehicle safely without any accident. Some of them complained that their vehicles are easily damaged when it's hitted by obstacles that are hardly seen through their rearview and side mirror. The objective of this project is to build a reverse car system that can measure the distance between vehicle and the obstacle behind the vehicle which can warn the driver by using an alarm. It is also an improvement for already used device by using beeping sound when the vehicle near to the obstacle or object or wall. The output of this system can be divided into two parts which are display mode and audio mode. For display mode, liquid crystal display (LCD) is used to display the distance of the vehicle based on condition that have been set. For audio mode, a buzzer is used to warn the driver about the distance of the vehicle with the obstacle behind it. The faster tone of beeping sound means that the vehicle is closer to the obstacle. The ultrasonic sensor is located behind the vehicle in order to detect the obstacle or object behind it. The maximum range ultrasonic sensor can measure is up to 200 cm and minimum range is 2 cm. The microcontroller analyses the signal, sends the command and measure the distance of the object from the vehicle within the specific range of detection. The measured distance is displayed on the LCD display. Advantages of this ultrasonic sensor are low cost, easy to manage and it also provides distance measurement compare to the existing device in the market.

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