由于电子科学技术的不断成熟，汽车领域的发展也随之壮大。现在新能源汽车也

Due to the continuous maturity of electronic science and technology, the development of the automotive field has also grown. Now there are more and more new energy vehicles, so the development and design of vehicles is even more inseparable from electrical science and technology. Ultrasonic technology has also been widely used here, and the application of ultrasonic technology to automobiles can realize the measurement of the safety distance of the car. This design chooses ultrasonic to realize the measurement of the safe distance of the car. <br>The subject is a single-chip microcomputer-based ultrasonic distance measurement vehicle collision avoidance system. The designed module includes multiple modules such as display, main control, buttons and alarm prompts. The system is controlled by the reverse gear of the car. When the car is placed in the reverse gear, the system starts to work. When reversing, it can accurately measure the distance between the car and the obstacle behind the car, and send out an alarm according to the distance measurement distance, realizing real-time Display obstacle distance and dangerous distance alarm function to help the driver understand the vehicle in real time. The design of this paper solves the problems of small rearview mirror and narrow field of view, improves the safety of the car when reversing, and has high practical value.

As electronic science and technology continue to mature, the development of the automotive field has also grown. Now there are more and more new energy vehicles, so the development and design of automobiles is more inseparable from electrical science and technology. Ultrasonic technology has also been widely used here, automotive ultrasonic technology can achieve the measurement of the driving distance of cars. This design selects ultrasonic waves to measure the safe distance of a car.<br>The project is a microcontroller-based ultrasonic ranging car collision prevention system, the design of the module contains display, master control and keystrokes and alarm prompts and other modules. The system is controlled by the reverse gear of the car, when the car is placed in reverse gear, the system starts to work, when reversing can accurately measure the distance between the car and the obstacles behind the vehicle, and according to the range distance to issue an alarm prompt, realize the real-time display of obstacle distance and dangerous distance alarm function, to help the driver understand the vehicle in real time. This paper design solves the problem of small rear view mirror and narrow field of view, improves the safety degree when the car reverses, and has high practical value.

Due to the continuous maturity of Electronic Science and technology, the development of the automotive field is also growing. Now there are more and more new energy vehicles, so the development and design of vehicles is more inseparable from electrical science and technology. Here, ultrasonic technology has been widely used. The application of ultrasonic technology in automobile can realize the measurement of safe driving distance. This design chooses ultrasonic to measure the safe distance of the car.<br>The subject is an ultrasonic ranging car collision avoidance system based on single chip microcomputer. The designed module includes display module, main control module, key and alarm module. The system is controlled by the car reverse gear. When the car is in reverse gear, the system starts to work. When reversing, it can accurately measure the distance between the car and the obstacles behind the car, and send an alarm according to the distance. It realizes the real-time display of the distance between the obstacles and the dangerous distance alarm function, so as to help the driver understand the car in real time. This design solves the problems of small rear-view mirror and narrow field of vision, improves the safety of car reversing, and has high practical value.<br>