Design of Reverse Radar Based on Ultrasonic Wave

This design is a fifty-one single chip microcomputer as control core, low cost, high precision, small volume, can real-time display the distance between the car and obstacles, and light and sound, voice alarm prompt function of reversing radar system. The radar system is composed of ultrasonic sensor (commonly known as probe), fifty-one microcontroller, liquid crystal display, sound and light alarm system, voice module and so on.