智能遥控小车设计与实现：基于单片机的技术应用

eceiver as the receiver. The smart car portion uses the microcontroller AT89C52 as its control core, uses infrared reflective photoelectric sensors for obstacle and route detection, uses stepper motors to control the start, stop, speed, and direction of the car, and uses a circuit composed of direct photoelectric detectors, Schmitt triggers, and other components to detect the speed of the car wheels. The LCD1602 LCD display screen is used to display the real-time speed, distance, and route of the car. Through the comprehensive design of hardware and software, this smart remote control car design has basically realized remote control, automatic obstacle avoidance, automatic driving along specific routes, and real-time display of speed and distance. Key words: AT89C52 microcontroller; Infrared remote control; stepper motor; LCD1602. In conclusion, the intelligent remote control car designed in this project is a combination of advanced electronics and programming techniques that allow for remote control, obstacle avoidance, and autonomous navigation. Using infrared technology and sensors, as well as a microcontroller core, the car is able to navigate its environment effectively and efficiently. The incorporation of LCD display provides real-time feedback to the user, enhancing the overall user experience and functionality of the smart car. This project demonstrates the exciting possibilities of integrating technology to create innovative solutions in the field of automation and robotics.